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-rw-r--r--mesalib/src/gallium/auxiliary/util/u_blit.c1584
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_format_latc.c654
-rw-r--r--mesalib/src/gallium/auxiliary/util/u_format_rgtc.c928
3 files changed, 1584 insertions, 1582 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_blit.c b/mesalib/src/gallium/auxiliary/util/u_blit.c
index e892a4a77..87530e94a 100644
--- a/mesalib/src/gallium/auxiliary/util/u_blit.c
+++ b/mesalib/src/gallium/auxiliary/util/u_blit.c
@@ -1,790 +1,794 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * @file
- * Copy/blit pixel rect between surfaces
- *
- * @author Brian Paul
- */
-
-
-#include "pipe/p_context.h"
-#include "util/u_debug.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "pipe/p_shader_tokens.h"
-#include "pipe/p_state.h"
-
-#include "util/u_blit.h"
-#include "util/u_draw_quad.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-#include "util/u_sampler.h"
-#include "util/u_simple_shaders.h"
-
-#include "cso_cache/cso_context.h"
-
-
-struct blit_state
-{
- struct pipe_context *pipe;
- struct cso_context *cso;
-
- struct pipe_blend_state blend;
- struct pipe_depth_stencil_alpha_state depthstencil_keep;
- struct pipe_depth_stencil_alpha_state depthstencil_write;
- struct pipe_rasterizer_state rasterizer;
- struct pipe_sampler_state sampler;
- struct pipe_viewport_state viewport;
- struct pipe_clip_state clip;
- struct pipe_vertex_element velem[2];
- enum pipe_texture_target internal_target;
-
- void *vs;
- void *fs[TGSI_WRITEMASK_XYZW + 1];
- void *fs_depth;
-
- struct pipe_resource *vbuf; /**< quad vertices */
- unsigned vbuf_slot;
-
- float vertices[4][2][4]; /**< vertex/texcoords for quad */
-};
-
-
-/**
- * Create state object for blit.
- * Intended to be created once and re-used for many blit() calls.
- */
-struct blit_state *
-util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
-{
- struct blit_state *ctx;
- uint i;
-
- ctx = CALLOC_STRUCT(blit_state);
- if (!ctx)
- return NULL;
-
- ctx->pipe = pipe;
- ctx->cso = cso;
-
- /* disabled blending/masking */
- memset(&ctx->blend, 0, sizeof(ctx->blend));
- ctx->blend.rt[0].colormask = PIPE_MASK_RGBA;
-
- /* no-op depth/stencil/alpha */
- memset(&ctx->depthstencil_keep, 0, sizeof(ctx->depthstencil_keep));
- memset(&ctx->depthstencil_write, 0, sizeof(ctx->depthstencil_write));
- ctx->depthstencil_write.depth.enabled = 1;
- ctx->depthstencil_write.depth.writemask = 1;
- ctx->depthstencil_write.depth.func = PIPE_FUNC_ALWAYS;
-
- /* rasterizer */
- memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
- ctx->rasterizer.cull_face = PIPE_FACE_NONE;
- ctx->rasterizer.gl_rasterization_rules = 1;
-
- /* samplers */
- memset(&ctx->sampler, 0, sizeof(ctx->sampler));
- ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- ctx->sampler.min_img_filter = 0; /* set later */
- ctx->sampler.mag_img_filter = 0; /* set later */
-
- /* vertex elements state */
- memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2);
- for (i = 0; i < 2; i++) {
- ctx->velem[i].src_offset = i * 4 * sizeof(float);
- ctx->velem[i].instance_divisor = 0;
- ctx->velem[i].vertex_buffer_index = 0;
- ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- }
-
- ctx->vbuf = NULL;
-
- /* init vertex data that doesn't change */
- for (i = 0; i < 4; i++) {
- ctx->vertices[i][0][3] = 1.0f; /* w */
- ctx->vertices[i][1][2] = 0.0f; /* r */
- ctx->vertices[i][1][3] = 1.0f; /* q */
- }
-
- if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
- ctx->internal_target = PIPE_TEXTURE_2D;
- else
- ctx->internal_target = PIPE_TEXTURE_RECT;
-
- return ctx;
-}
-
-
-/**
- * Destroy a blit context
- */
-void
-util_destroy_blit(struct blit_state *ctx)
-{
- struct pipe_context *pipe = ctx->pipe;
- unsigned i;
-
- if (ctx->vs)
- pipe->delete_vs_state(pipe, ctx->vs);
-
- for (i = 0; i < Elements(ctx->fs); i++)
- if (ctx->fs[i])
- pipe->delete_fs_state(pipe, ctx->fs[i]);
-
- if (ctx->fs_depth)
- pipe->delete_fs_state(pipe, ctx->fs_depth);
-
- pipe_resource_reference(&ctx->vbuf, NULL);
-
- FREE(ctx);
-}
-
-
-/**
- * Helper function to set the fragment shaders.
- */
-static INLINE void
-set_fragment_shader(struct blit_state *ctx, uint writemask)
-{
- if (!ctx->fs[writemask])
- ctx->fs[writemask] =
- util_make_fragment_tex_shader_writemask(ctx->pipe, TGSI_TEXTURE_2D,
- TGSI_INTERPOLATE_LINEAR,
- writemask);
-
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
-}
-
-
-/**
- * Helper function to set the depthwrite shader.
- */
-static INLINE void
-set_depth_fragment_shader(struct blit_state *ctx)
-{
- if (!ctx->fs_depth)
- ctx->fs_depth =
- util_make_fragment_tex_shader_writedepth(ctx->pipe, TGSI_TEXTURE_2D,
- TGSI_INTERPOLATE_LINEAR);
-
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth);
-}
-
-
-/**
- * Helper function to set the vertex shader.
- */
-static INLINE void
-set_vertex_shader(struct blit_state *ctx)
-{
- /* vertex shader - still required to provide the linkage between
- * fragment shader input semantics and vertex_element/buffers.
- */
- if (!ctx->vs) {
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_GENERIC };
- const uint semantic_indexes[] = { 0, 0 };
- ctx->vs = util_make_vertex_passthrough_shader(ctx->pipe, 2,
- semantic_names,
- semantic_indexes);
- }
-
- cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
-}
-
-
-/**
- * Get offset of next free slot in vertex buffer for quad vertices.
- */
-static unsigned
-get_next_slot( struct blit_state *ctx )
-{
- const unsigned max_slots = 4096 / sizeof ctx->vertices;
-
- if (ctx->vbuf_slot >= max_slots)
- util_blit_flush( ctx );
-
- if (!ctx->vbuf) {
- ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STREAM,
- max_slots * sizeof ctx->vertices);
- }
-
- return ctx->vbuf_slot++ * sizeof ctx->vertices;
-}
-
-
-
-
-/**
- * Setup vertex data for the textured quad we'll draw.
- * Note: y=0=top
- */
-static unsigned
-setup_vertex_data_tex(struct blit_state *ctx,
- float x0, float y0, float x1, float y1,
- float s0, float t0, float s1, float t1,
- float z)
-{
- unsigned offset;
-
- ctx->vertices[0][0][0] = x0;
- ctx->vertices[0][0][1] = y0;
- ctx->vertices[0][0][2] = z;
- ctx->vertices[0][1][0] = s0; /*s*/
- ctx->vertices[0][1][1] = t0; /*t*/
-
- ctx->vertices[1][0][0] = x1;
- ctx->vertices[1][0][1] = y0;
- ctx->vertices[1][0][2] = z;
- ctx->vertices[1][1][0] = s1; /*s*/
- ctx->vertices[1][1][1] = t0; /*t*/
-
- ctx->vertices[2][0][0] = x1;
- ctx->vertices[2][0][1] = y1;
- ctx->vertices[2][0][2] = z;
- ctx->vertices[2][1][0] = s1;
- ctx->vertices[2][1][1] = t1;
-
- ctx->vertices[3][0][0] = x0;
- ctx->vertices[3][0][1] = y1;
- ctx->vertices[3][0][2] = z;
- ctx->vertices[3][1][0] = s0;
- ctx->vertices[3][1][1] = t1;
-
- offset = get_next_slot( ctx );
-
- pipe_buffer_write_nooverlap(ctx->pipe, ctx->vbuf,
- offset, sizeof(ctx->vertices), ctx->vertices);
-
- return offset;
-}
-
-
-/**
- * \return TRUE if two regions overlap, FALSE otherwise
- */
-static boolean
-regions_overlap(int srcX0, int srcY0,
- int srcX1, int srcY1,
- int dstX0, int dstY0,
- int dstX1, int dstY1)
-{
- if (MAX2(srcX0, srcX1) < MIN2(dstX0, dstX1))
- return FALSE; /* src completely left of dst */
-
- if (MAX2(dstX0, dstX1) < MIN2(srcX0, srcX1))
- return FALSE; /* dst completely left of src */
-
- if (MAX2(srcY0, srcY1) < MIN2(dstY0, dstY1))
- return FALSE; /* src completely above dst */
-
- if (MAX2(dstY0, dstY1) < MIN2(srcY0, srcY1))
- return FALSE; /* dst completely above src */
-
- return TRUE; /* some overlap */
-}
-
-
-/**
- * Copy pixel block from src surface to dst surface.
- * Overlapping regions are acceptable.
- * Flipping and stretching are supported.
- * \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR
- * \param writemask controls which channels in the dest surface are sourced
- * from the src surface. Disabled channels are sourced
- * from (0,0,0,1).
- * XXX need some control over blitting stencil.
- */
-void
-util_blit_pixels_writemask(struct blit_state *ctx,
- struct pipe_resource *src_tex,
- unsigned src_level,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- int srcZ0,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter,
- uint writemask)
-{
- struct pipe_context *pipe = ctx->pipe;
- struct pipe_screen *screen = pipe->screen;
- enum pipe_format src_format, dst_format;
- struct pipe_sampler_view *sampler_view = NULL;
- struct pipe_sampler_view sv_templ;
- struct pipe_surface *dst_surface;
- struct pipe_framebuffer_state fb;
- const int srcW = abs(srcX1 - srcX0);
- const int srcH = abs(srcY1 - srcY0);
- unsigned offset;
- boolean overlap, dst_is_depth;
- float s0, t0, s1, t1;
- boolean normalized;
-
- assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
- filter == PIPE_TEX_MIPFILTER_LINEAR);
-
- assert(src_level <= src_tex->last_level);
-
- /* do the regions overlap? */
- overlap = src_tex == dst->texture &&
- dst->u.tex.level == src_level &&
- dst->u.tex.first_layer == srcZ0 &&
- regions_overlap(srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1);
-
- src_format = util_format_linear(src_tex->format);
- dst_format = util_format_linear(dst->format);
-
- /*
- * Check for simple case: no format conversion, no flipping, no stretching,
- * no overlapping.
- * Filter mode should not matter since there's no stretching.
- */
- if (dst_format == src_format &&
- srcX0 < srcX1 &&
- dstX0 < dstX1 &&
- srcY0 < srcY1 &&
- dstY0 < dstY1 &&
- (dstX1 - dstX0) == (srcX1 - srcX0) &&
- (dstY1 - dstY0) == (srcY1 - srcY0) &&
- !overlap) {
- struct pipe_box src_box;
- src_box.x = srcX0;
- src_box.y = srcY0;
- src_box.z = srcZ0;
- src_box.width = srcW;
- src_box.height = srcH;
- src_box.depth = 1;
- pipe->resource_copy_region(pipe,
- dst->texture, dst->u.tex.level,
- dstX0, dstY0, dst->u.tex.first_layer,/* dest */
- src_tex, src_level,
- &src_box);
- return;
- }
-
- if (dst_format == dst->format) {
- dst_surface = dst;
- } else {
- struct pipe_surface templ = *dst;
- templ.format = dst_format;
- dst_surface = pipe->create_surface(pipe, dst->texture, &templ);
- }
-
- /* Create a temporary texture when src and dest alias or when src
- * is anything other than a 2d texture.
- * XXX should just use appropriate shader to access 1d / 3d slice / cube face,
- * much like the u_blitter code does (should be pretty trivial).
- *
- * This can still be improved upon.
- */
- if ((src_tex == dst_surface->texture &&
- dst_surface->u.tex.level == src_level &&
- dst_surface->u.tex.first_layer == srcZ0) ||
- (src_tex->target != PIPE_TEXTURE_2D &&
- src_tex->target != PIPE_TEXTURE_2D &&
- src_tex->target != PIPE_TEXTURE_RECT))
- {
- struct pipe_resource texTemp;
- struct pipe_resource *tex;
- struct pipe_sampler_view sv_templ;
- struct pipe_box src_box;
- const int srcLeft = MIN2(srcX0, srcX1);
- const int srcTop = MIN2(srcY0, srcY1);
-
- if (srcLeft != srcX0) {
- /* left-right flip */
- int tmp = dstX0;
- dstX0 = dstX1;
- dstX1 = tmp;
- }
-
- if (srcTop != srcY0) {
- /* up-down flip */
- int tmp = dstY0;
- dstY0 = dstY1;
- dstY1 = tmp;
- }
-
- /* create temp texture */
- memset(&texTemp, 0, sizeof(texTemp));
- texTemp.target = ctx->internal_target;
- texTemp.format = src_format;
- texTemp.last_level = 0;
- texTemp.width0 = srcW;
- texTemp.height0 = srcH;
- texTemp.depth0 = 1;
- texTemp.array_size = 1;
- texTemp.bind = PIPE_BIND_SAMPLER_VIEW;
-
- tex = screen->resource_create(screen, &texTemp);
- if (!tex)
- return;
-
- src_box.x = srcLeft;
- src_box.y = srcTop;
- src_box.z = srcZ0;
- src_box.width = srcW;
- src_box.height = srcH;
- src_box.depth = 1;
- /* load temp texture */
- pipe->resource_copy_region(pipe,
- tex, 0, 0, 0, 0, /* dest */
- src_tex, src_level, &src_box);
-
- normalized = tex->target != PIPE_TEXTURE_RECT;
- if(normalized) {
- s0 = 0.0f;
- s1 = 1.0f;
- t0 = 0.0f;
- t1 = 1.0f;
- }
- else {
- s0 = 0;
- s1 = srcW;
- t0 = 0;
- t1 = srcH;
- }
-
- u_sampler_view_default_template(&sv_templ, tex, tex->format);
- sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ);
-
- if (!sampler_view) {
- pipe_resource_reference(&tex, NULL);
- return;
- }
- pipe_resource_reference(&tex, NULL);
- }
- else {
- u_sampler_view_default_template(&sv_templ, src_tex, src_format);
- sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ);
-
- if (!sampler_view) {
- return;
- }
-
- s0 = srcX0;
- s1 = srcX1;
- t0 = srcY0;
- t1 = srcY1;
- normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT;
- if(normalized)
- {
- s0 /= (float)(u_minify(sampler_view->texture->width0, src_level));
- s1 /= (float)(u_minify(sampler_view->texture->width0, src_level));
- t0 /= (float)(u_minify(sampler_view->texture->height0, src_level));
- t1 /= (float)(u_minify(sampler_view->texture->height0, src_level));
- }
- }
-
- dst_is_depth = util_format_is_depth_or_stencil(dst_format);
-
- assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target,
- sampler_view->texture->nr_samples,
- PIPE_BIND_SAMPLER_VIEW));
- assert(screen->is_format_supported(screen, dst_format, ctx->internal_target,
- dst_surface->texture->nr_samples,
- dst_is_depth ? PIPE_BIND_DEPTH_STENCIL :
- PIPE_BIND_RENDER_TARGET));
- /* save state (restored below) */
- cso_save_blend(ctx->cso);
- cso_save_depth_stencil_alpha(ctx->cso);
- cso_save_rasterizer(ctx->cso);
- cso_save_samplers(ctx->cso);
- cso_save_fragment_sampler_views(ctx->cso);
- cso_save_viewport(ctx->cso);
- cso_save_framebuffer(ctx->cso);
- cso_save_fragment_shader(ctx->cso);
- cso_save_vertex_shader(ctx->cso);
- cso_save_clip(ctx->cso);
- cso_save_vertex_elements(ctx->cso);
- cso_save_vertex_buffers(ctx->cso);
-
- /* set misc state we care about */
- cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso,
- dst_is_depth ? &ctx->depthstencil_write :
- &ctx->depthstencil_keep);
- cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
- cso_set_clip(ctx->cso, &ctx->clip);
- cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
-
- /* sampler */
- ctx->sampler.normalized_coords = normalized;
- ctx->sampler.min_img_filter = filter;
- ctx->sampler.mag_img_filter = filter;
- ctx->sampler.min_lod = src_level;
- ctx->sampler.max_lod = src_level;
- cso_single_sampler(ctx->cso, 0, &ctx->sampler);
- cso_single_sampler_done(ctx->cso);
-
- /* viewport */
- ctx->viewport.scale[0] = 0.5f * dst_surface->width;
- ctx->viewport.scale[1] = 0.5f * dst_surface->height;
- ctx->viewport.scale[2] = 0.5f;
- ctx->viewport.scale[3] = 1.0f;
- ctx->viewport.translate[0] = 0.5f * dst_surface->width;
- ctx->viewport.translate[1] = 0.5f * dst_surface->height;
- ctx->viewport.translate[2] = 0.5f;
- ctx->viewport.translate[3] = 0.0f;
- cso_set_viewport(ctx->cso, &ctx->viewport);
-
- /* texture */
- cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
-
- /* shaders */
- if (dst_is_depth) {
- set_depth_fragment_shader(ctx);
- } else {
- set_fragment_shader(ctx, writemask);
- }
- set_vertex_shader(ctx);
-
- /* drawing dest */
- memset(&fb, 0, sizeof(fb));
- fb.width = dst_surface->width;
- fb.height = dst_surface->height;
- if (dst_is_depth) {
- fb.zsbuf = dst_surface;
- } else {
- fb.nr_cbufs = 1;
- fb.cbufs[0] = dst_surface;
- }
- cso_set_framebuffer(ctx->cso, &fb);
-
- /* draw quad */
- offset = setup_vertex_data_tex(ctx,
- (float) dstX0 / dst_surface->width * 2.0f - 1.0f,
- (float) dstY0 / dst_surface->height * 2.0f - 1.0f,
- (float) dstX1 / dst_surface->width * 2.0f - 1.0f,
- (float) dstY1 / dst_surface->height * 2.0f - 1.0f,
- s0, t0,
- s1, t1,
- z);
-
- util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, offset,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- /* restore state we changed */
- cso_restore_blend(ctx->cso);
- cso_restore_depth_stencil_alpha(ctx->cso);
- cso_restore_rasterizer(ctx->cso);
- cso_restore_samplers(ctx->cso);
- cso_restore_fragment_sampler_views(ctx->cso);
- cso_restore_viewport(ctx->cso);
- cso_restore_framebuffer(ctx->cso);
- cso_restore_fragment_shader(ctx->cso);
- cso_restore_vertex_shader(ctx->cso);
- cso_restore_clip(ctx->cso);
- cso_restore_vertex_elements(ctx->cso);
- cso_restore_vertex_buffers(ctx->cso);
-
- pipe_sampler_view_reference(&sampler_view, NULL);
- if (dst_surface != dst)
- pipe_surface_reference(&dst_surface, NULL);
-}
-
-
-void
-util_blit_pixels(struct blit_state *ctx,
- struct pipe_resource *src_tex,
- unsigned src_level,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- int srcZ,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter )
-{
- util_blit_pixels_writemask( ctx, src_tex,
- src_level,
- srcX0, srcY0,
- srcX1, srcY1,
- srcZ,
- dst,
- dstX0, dstY0,
- dstX1, dstY1,
- z, filter,
- TGSI_WRITEMASK_XYZW );
-}
-
-
-/* Release vertex buffer at end of frame to avoid synchronous
- * rendering.
- */
-void util_blit_flush( struct blit_state *ctx )
-{
- pipe_resource_reference(&ctx->vbuf, NULL);
- ctx->vbuf_slot = 0;
-}
-
-
-
-/**
- * Copy pixel block from src texture to dst surface.
- *
- * XXX Should support selection of level.
- * XXX need some control over blitting Z and/or stencil.
- */
-void
-util_blit_pixels_tex(struct blit_state *ctx,
- struct pipe_sampler_view *src_sampler_view,
- int srcX0, int srcY0,
- int srcX1, int srcY1,
- struct pipe_surface *dst,
- int dstX0, int dstY0,
- int dstX1, int dstY1,
- float z, uint filter)
-{
- boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT;
- struct pipe_framebuffer_state fb;
- float s0, t0, s1, t1;
- unsigned offset;
- struct pipe_resource *tex = src_sampler_view->texture;
-
- assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
- filter == PIPE_TEX_MIPFILTER_LINEAR);
-
- assert(tex);
- assert(tex->width0 != 0);
- assert(tex->height0 != 0);
-
- s0 = srcX0;
- s1 = srcX1;
- t0 = srcY0;
- t1 = srcY1;
-
- if(normalized)
- {
- s0 /= (float)tex->width0;
- s1 /= (float)tex->width0;
- t0 /= (float)tex->height0;
- t1 /= (float)tex->height0;
- }
-
- assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format,
- PIPE_TEXTURE_2D,
- dst->texture->nr_samples,
- PIPE_BIND_RENDER_TARGET));
-
- /* save state (restored below) */
- cso_save_blend(ctx->cso);
- cso_save_depth_stencil_alpha(ctx->cso);
- cso_save_rasterizer(ctx->cso);
- cso_save_samplers(ctx->cso);
- cso_save_fragment_sampler_views(ctx->cso);
- cso_save_viewport(ctx->cso);
- cso_save_framebuffer(ctx->cso);
- cso_save_fragment_shader(ctx->cso);
- cso_save_vertex_shader(ctx->cso);
- cso_save_clip(ctx->cso);
- cso_save_vertex_elements(ctx->cso);
- cso_save_vertex_buffers(ctx->cso);
-
- /* set misc state we care about */
- cso_set_blend(ctx->cso, &ctx->blend);
- cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep);
- cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
- cso_set_clip(ctx->cso, &ctx->clip);
- cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
-
- /* sampler */
- ctx->sampler.normalized_coords = normalized;
- ctx->sampler.min_img_filter = filter;
- ctx->sampler.mag_img_filter = filter;
- cso_single_sampler(ctx->cso, 0, &ctx->sampler);
- cso_single_sampler_done(ctx->cso);
-
- /* viewport */
- ctx->viewport.scale[0] = 0.5f * dst->width;
- ctx->viewport.scale[1] = 0.5f * dst->height;
- ctx->viewport.scale[2] = 0.5f;
- ctx->viewport.scale[3] = 1.0f;
- ctx->viewport.translate[0] = 0.5f * dst->width;
- ctx->viewport.translate[1] = 0.5f * dst->height;
- ctx->viewport.translate[2] = 0.5f;
- ctx->viewport.translate[3] = 0.0f;
- cso_set_viewport(ctx->cso, &ctx->viewport);
-
- /* texture */
- cso_set_fragment_sampler_views(ctx->cso, 1, &src_sampler_view);
-
- /* shaders */
- set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW);
- set_vertex_shader(ctx);
-
- /* drawing dest */
- memset(&fb, 0, sizeof(fb));
- fb.width = dst->width;
- fb.height = dst->height;
- fb.nr_cbufs = 1;
- fb.cbufs[0] = dst;
- cso_set_framebuffer(ctx->cso, &fb);
-
- /* draw quad */
- offset = setup_vertex_data_tex(ctx,
- (float) dstX0 / dst->width * 2.0f - 1.0f,
- (float) dstY0 / dst->height * 2.0f - 1.0f,
- (float) dstX1 / dst->width * 2.0f - 1.0f,
- (float) dstY1 / dst->height * 2.0f - 1.0f,
- s0, t0, s1, t1,
- z);
-
- util_draw_vertex_buffer(ctx->pipe, ctx->cso,
- ctx->vbuf, offset,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 2); /* attribs/vert */
-
- /* restore state we changed */
- cso_restore_blend(ctx->cso);
- cso_restore_depth_stencil_alpha(ctx->cso);
- cso_restore_rasterizer(ctx->cso);
- cso_restore_samplers(ctx->cso);
- cso_restore_fragment_sampler_views(ctx->cso);
- cso_restore_viewport(ctx->cso);
- cso_restore_framebuffer(ctx->cso);
- cso_restore_fragment_shader(ctx->cso);
- cso_restore_vertex_shader(ctx->cso);
- cso_restore_clip(ctx->cso);
- cso_restore_vertex_elements(ctx->cso);
- cso_restore_vertex_buffers(ctx->cso);
-}
+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Copy/blit pixel rect between surfaces
+ *
+ * @author Brian Paul
+ */
+
+
+#include "pipe/p_context.h"
+#include "util/u_debug.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "pipe/p_shader_tokens.h"
+#include "pipe/p_state.h"
+
+#include "util/u_blit.h"
+#include "util/u_draw_quad.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "util/u_sampler.h"
+#include "util/u_simple_shaders.h"
+
+#include "cso_cache/cso_context.h"
+
+
+struct blit_state
+{
+ struct pipe_context *pipe;
+ struct cso_context *cso;
+
+ struct pipe_blend_state blend;
+ struct pipe_depth_stencil_alpha_state depthstencil_keep;
+ struct pipe_depth_stencil_alpha_state depthstencil_write;
+ struct pipe_rasterizer_state rasterizer;
+ struct pipe_sampler_state sampler;
+ struct pipe_viewport_state viewport;
+ struct pipe_clip_state clip;
+ struct pipe_vertex_element velem[2];
+ enum pipe_texture_target internal_target;
+
+ void *vs;
+ void *fs[TGSI_WRITEMASK_XYZW + 1];
+ void *fs_depth;
+
+ struct pipe_resource *vbuf; /**< quad vertices */
+ unsigned vbuf_slot;
+
+ float vertices[4][2][4]; /**< vertex/texcoords for quad */
+};
+
+
+/**
+ * Create state object for blit.
+ * Intended to be created once and re-used for many blit() calls.
+ */
+struct blit_state *
+util_create_blit(struct pipe_context *pipe, struct cso_context *cso)
+{
+ struct blit_state *ctx;
+ uint i;
+
+ ctx = CALLOC_STRUCT(blit_state);
+ if (!ctx)
+ return NULL;
+
+ ctx->pipe = pipe;
+ ctx->cso = cso;
+
+ /* disabled blending/masking */
+ memset(&ctx->blend, 0, sizeof(ctx->blend));
+ ctx->blend.rt[0].colormask = PIPE_MASK_RGBA;
+
+ /* no-op depth/stencil/alpha */
+ memset(&ctx->depthstencil_keep, 0, sizeof(ctx->depthstencil_keep));
+ memset(&ctx->depthstencil_write, 0, sizeof(ctx->depthstencil_write));
+ ctx->depthstencil_write.depth.enabled = 1;
+ ctx->depthstencil_write.depth.writemask = 1;
+ ctx->depthstencil_write.depth.func = PIPE_FUNC_ALWAYS;
+
+ /* rasterizer */
+ memset(&ctx->rasterizer, 0, sizeof(ctx->rasterizer));
+ ctx->rasterizer.cull_face = PIPE_FACE_NONE;
+ ctx->rasterizer.gl_rasterization_rules = 1;
+
+ /* samplers */
+ memset(&ctx->sampler, 0, sizeof(ctx->sampler));
+ ctx->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ ctx->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ ctx->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
+ ctx->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ ctx->sampler.min_img_filter = 0; /* set later */
+ ctx->sampler.mag_img_filter = 0; /* set later */
+
+ /* vertex elements state */
+ memset(&ctx->velem[0], 0, sizeof(ctx->velem[0]) * 2);
+ for (i = 0; i < 2; i++) {
+ ctx->velem[i].src_offset = i * 4 * sizeof(float);
+ ctx->velem[i].instance_divisor = 0;
+ ctx->velem[i].vertex_buffer_index = 0;
+ ctx->velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+ }
+
+ ctx->vbuf = NULL;
+
+ /* init vertex data that doesn't change */
+ for (i = 0; i < 4; i++) {
+ ctx->vertices[i][0][3] = 1.0f; /* w */
+ ctx->vertices[i][1][2] = 0.0f; /* r */
+ ctx->vertices[i][1][3] = 1.0f; /* q */
+ }
+
+ if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
+ ctx->internal_target = PIPE_TEXTURE_2D;
+ else
+ ctx->internal_target = PIPE_TEXTURE_RECT;
+
+ return ctx;
+}
+
+
+/**
+ * Destroy a blit context
+ */
+void
+util_destroy_blit(struct blit_state *ctx)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ unsigned i;
+
+ if (ctx->vs)
+ pipe->delete_vs_state(pipe, ctx->vs);
+
+ for (i = 0; i < Elements(ctx->fs); i++)
+ if (ctx->fs[i])
+ pipe->delete_fs_state(pipe, ctx->fs[i]);
+
+ if (ctx->fs_depth)
+ pipe->delete_fs_state(pipe, ctx->fs_depth);
+
+ pipe_resource_reference(&ctx->vbuf, NULL);
+
+ FREE(ctx);
+}
+
+
+/**
+ * Helper function to set the fragment shaders.
+ */
+static INLINE void
+set_fragment_shader(struct blit_state *ctx, uint writemask)
+{
+ if (!ctx->fs[writemask])
+ ctx->fs[writemask] =
+ util_make_fragment_tex_shader_writemask(ctx->pipe, TGSI_TEXTURE_2D,
+ TGSI_INTERPOLATE_LINEAR,
+ writemask);
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[writemask]);
+}
+
+
+/**
+ * Helper function to set the depthwrite shader.
+ */
+static INLINE void
+set_depth_fragment_shader(struct blit_state *ctx)
+{
+ if (!ctx->fs_depth)
+ ctx->fs_depth =
+ util_make_fragment_tex_shader_writedepth(ctx->pipe, TGSI_TEXTURE_2D,
+ TGSI_INTERPOLATE_LINEAR);
+
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs_depth);
+}
+
+
+/**
+ * Helper function to set the vertex shader.
+ */
+static INLINE void
+set_vertex_shader(struct blit_state *ctx)
+{
+ /* vertex shader - still required to provide the linkage between
+ * fragment shader input semantics and vertex_element/buffers.
+ */
+ if (!ctx->vs) {
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_GENERIC };
+ const uint semantic_indexes[] = { 0, 0 };
+ ctx->vs = util_make_vertex_passthrough_shader(ctx->pipe, 2,
+ semantic_names,
+ semantic_indexes);
+ }
+
+ cso_set_vertex_shader_handle(ctx->cso, ctx->vs);
+}
+
+
+/**
+ * Get offset of next free slot in vertex buffer for quad vertices.
+ */
+static unsigned
+get_next_slot( struct blit_state *ctx )
+{
+ const unsigned max_slots = 4096 / sizeof ctx->vertices;
+
+ if (ctx->vbuf_slot >= max_slots)
+ util_blit_flush( ctx );
+
+ if (!ctx->vbuf) {
+ ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
+ PIPE_BIND_VERTEX_BUFFER,
+ PIPE_USAGE_STREAM,
+ max_slots * sizeof ctx->vertices);
+ }
+
+ return ctx->vbuf_slot++ * sizeof ctx->vertices;
+}
+
+
+
+
+/**
+ * Setup vertex data for the textured quad we'll draw.
+ * Note: y=0=top
+ */
+static unsigned
+setup_vertex_data_tex(struct blit_state *ctx,
+ float x0, float y0, float x1, float y1,
+ float s0, float t0, float s1, float t1,
+ float z)
+{
+ unsigned offset;
+
+ ctx->vertices[0][0][0] = x0;
+ ctx->vertices[0][0][1] = y0;
+ ctx->vertices[0][0][2] = z;
+ ctx->vertices[0][1][0] = s0; /*s*/
+ ctx->vertices[0][1][1] = t0; /*t*/
+
+ ctx->vertices[1][0][0] = x1;
+ ctx->vertices[1][0][1] = y0;
+ ctx->vertices[1][0][2] = z;
+ ctx->vertices[1][1][0] = s1; /*s*/
+ ctx->vertices[1][1][1] = t0; /*t*/
+
+ ctx->vertices[2][0][0] = x1;
+ ctx->vertices[2][0][1] = y1;
+ ctx->vertices[2][0][2] = z;
+ ctx->vertices[2][1][0] = s1;
+ ctx->vertices[2][1][1] = t1;
+
+ ctx->vertices[3][0][0] = x0;
+ ctx->vertices[3][0][1] = y1;
+ ctx->vertices[3][0][2] = z;
+ ctx->vertices[3][1][0] = s0;
+ ctx->vertices[3][1][1] = t1;
+
+ offset = get_next_slot( ctx );
+
+ pipe_buffer_write_nooverlap(ctx->pipe, ctx->vbuf,
+ offset, sizeof(ctx->vertices), ctx->vertices);
+
+ return offset;
+}
+
+
+/**
+ * \return TRUE if two regions overlap, FALSE otherwise
+ */
+static boolean
+regions_overlap(int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1)
+{
+ if (MAX2(srcX0, srcX1) < MIN2(dstX0, dstX1))
+ return FALSE; /* src completely left of dst */
+
+ if (MAX2(dstX0, dstX1) < MIN2(srcX0, srcX1))
+ return FALSE; /* dst completely left of src */
+
+ if (MAX2(srcY0, srcY1) < MIN2(dstY0, dstY1))
+ return FALSE; /* src completely above dst */
+
+ if (MAX2(dstY0, dstY1) < MIN2(srcY0, srcY1))
+ return FALSE; /* dst completely above src */
+
+ return TRUE; /* some overlap */
+}
+
+
+/**
+ * Copy pixel block from src surface to dst surface.
+ * Overlapping regions are acceptable.
+ * Flipping and stretching are supported.
+ * \param filter one of PIPE_TEX_MIPFILTER_NEAREST/LINEAR
+ * \param writemask controls which channels in the dest surface are sourced
+ * from the src surface. Disabled channels are sourced
+ * from (0,0,0,1).
+ * XXX need some control over blitting stencil.
+ */
+void
+util_blit_pixels_writemask(struct blit_state *ctx,
+ struct pipe_resource *src_tex,
+ unsigned src_level,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ int srcZ0,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter,
+ uint writemask)
+{
+ struct pipe_context *pipe = ctx->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ enum pipe_format src_format, dst_format;
+ struct pipe_sampler_view *sampler_view = NULL;
+ struct pipe_sampler_view sv_templ;
+ struct pipe_surface *dst_surface;
+ struct pipe_framebuffer_state fb;
+ const int srcW = abs(srcX1 - srcX0);
+ const int srcH = abs(srcY1 - srcY0);
+ unsigned offset;
+ boolean overlap, dst_is_depth;
+ float s0, t0, s1, t1;
+ boolean normalized;
+
+ assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
+ filter == PIPE_TEX_MIPFILTER_LINEAR);
+
+ assert(src_level <= src_tex->last_level);
+
+ /* do the regions overlap? */
+ overlap = src_tex == dst->texture &&
+ dst->u.tex.level == src_level &&
+ dst->u.tex.first_layer == srcZ0 &&
+ regions_overlap(srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1);
+
+ src_format = util_format_linear(src_tex->format);
+ dst_format = util_format_linear(dst->format);
+
+ /*
+ * Check for simple case: no format conversion, no flipping, no stretching,
+ * no overlapping.
+ * Filter mode should not matter since there's no stretching.
+ */
+ if (dst_format == src_format &&
+ srcX0 < srcX1 &&
+ dstX0 < dstX1 &&
+ srcY0 < srcY1 &&
+ dstY0 < dstY1 &&
+ (dstX1 - dstX0) == (srcX1 - srcX0) &&
+ (dstY1 - dstY0) == (srcY1 - srcY0) &&
+ !overlap) {
+ struct pipe_box src_box;
+ src_box.x = srcX0;
+ src_box.y = srcY0;
+ src_box.z = srcZ0;
+ src_box.width = srcW;
+ src_box.height = srcH;
+ src_box.depth = 1;
+ pipe->resource_copy_region(pipe,
+ dst->texture, dst->u.tex.level,
+ dstX0, dstY0, dst->u.tex.first_layer,/* dest */
+ src_tex, src_level,
+ &src_box);
+ return;
+ }
+
+ if (dst_format == dst->format) {
+ dst_surface = dst;
+ } else {
+ struct pipe_surface templ = *dst;
+ templ.format = dst_format;
+ dst_surface = pipe->create_surface(pipe, dst->texture, &templ);
+ }
+
+ /* Create a temporary texture when src and dest alias or when src
+ * is anything other than a 2d texture.
+ * XXX should just use appropriate shader to access 1d / 3d slice / cube face,
+ * much like the u_blitter code does (should be pretty trivial).
+ *
+ * This can still be improved upon.
+ */
+ if ((src_tex == dst_surface->texture &&
+ dst_surface->u.tex.level == src_level &&
+ dst_surface->u.tex.first_layer == srcZ0) ||
+ (src_tex->target != PIPE_TEXTURE_2D &&
+ src_tex->target != PIPE_TEXTURE_2D &&
+ src_tex->target != PIPE_TEXTURE_RECT))
+ {
+ struct pipe_resource texTemp;
+ struct pipe_resource *tex;
+ struct pipe_sampler_view sv_templ;
+ struct pipe_box src_box;
+ const int srcLeft = MIN2(srcX0, srcX1);
+ const int srcTop = MIN2(srcY0, srcY1);
+
+ if (srcLeft != srcX0) {
+ /* left-right flip */
+ int tmp = dstX0;
+ dstX0 = dstX1;
+ dstX1 = tmp;
+ }
+
+ if (srcTop != srcY0) {
+ /* up-down flip */
+ int tmp = dstY0;
+ dstY0 = dstY1;
+ dstY1 = tmp;
+ }
+
+ /* create temp texture */
+ memset(&texTemp, 0, sizeof(texTemp));
+ texTemp.target = ctx->internal_target;
+ texTemp.format = src_format;
+ texTemp.last_level = 0;
+ texTemp.width0 = srcW;
+ texTemp.height0 = srcH;
+ texTemp.depth0 = 1;
+ texTemp.array_size = 1;
+ texTemp.bind = PIPE_BIND_SAMPLER_VIEW;
+
+ tex = screen->resource_create(screen, &texTemp);
+ if (!tex)
+ return;
+
+ src_box.x = srcLeft;
+ src_box.y = srcTop;
+ src_box.z = srcZ0;
+ src_box.width = srcW;
+ src_box.height = srcH;
+ src_box.depth = 1;
+ /* load temp texture */
+ pipe->resource_copy_region(pipe,
+ tex, 0, 0, 0, 0, /* dest */
+ src_tex, src_level, &src_box);
+
+ normalized = tex->target != PIPE_TEXTURE_RECT;
+ if(normalized) {
+ s0 = 0.0f;
+ s1 = 1.0f;
+ t0 = 0.0f;
+ t1 = 1.0f;
+ }
+ else {
+ s0 = 0;
+ s1 = srcW;
+ t0 = 0;
+ t1 = srcH;
+ }
+
+ u_sampler_view_default_template(&sv_templ, tex, tex->format);
+ sampler_view = pipe->create_sampler_view(pipe, tex, &sv_templ);
+
+ if (!sampler_view) {
+ pipe_resource_reference(&tex, NULL);
+ return;
+ }
+ pipe_resource_reference(&tex, NULL);
+ }
+ else {
+ u_sampler_view_default_template(&sv_templ, src_tex, src_format);
+ sampler_view = pipe->create_sampler_view(pipe, src_tex, &sv_templ);
+
+ if (!sampler_view) {
+ return;
+ }
+
+ s0 = srcX0;
+ s1 = srcX1;
+ t0 = srcY0;
+ t1 = srcY1;
+ normalized = sampler_view->texture->target != PIPE_TEXTURE_RECT;
+ if(normalized)
+ {
+ s0 /= (float)(u_minify(sampler_view->texture->width0, src_level));
+ s1 /= (float)(u_minify(sampler_view->texture->width0, src_level));
+ t0 /= (float)(u_minify(sampler_view->texture->height0, src_level));
+ t1 /= (float)(u_minify(sampler_view->texture->height0, src_level));
+ }
+ }
+
+ dst_is_depth = util_format_is_depth_or_stencil(dst_format);
+
+ assert(screen->is_format_supported(screen, sampler_view->format, ctx->internal_target,
+ sampler_view->texture->nr_samples,
+ PIPE_BIND_SAMPLER_VIEW));
+ assert(screen->is_format_supported(screen, dst_format, ctx->internal_target,
+ dst_surface->texture->nr_samples,
+ dst_is_depth ? PIPE_BIND_DEPTH_STENCIL :
+ PIPE_BIND_RENDER_TARGET));
+ /* save state (restored below) */
+ cso_save_blend(ctx->cso);
+ cso_save_depth_stencil_alpha(ctx->cso);
+ cso_save_rasterizer(ctx->cso);
+ cso_save_samplers(ctx->cso);
+ cso_save_fragment_sampler_views(ctx->cso);
+ cso_save_viewport(ctx->cso);
+ cso_save_framebuffer(ctx->cso);
+ cso_save_fragment_shader(ctx->cso);
+ cso_save_vertex_shader(ctx->cso);
+ cso_save_clip(ctx->cso);
+ cso_save_vertex_elements(ctx->cso);
+ cso_save_vertex_buffers(ctx->cso);
+
+ /* set misc state we care about */
+ cso_set_blend(ctx->cso, &ctx->blend);
+ cso_set_depth_stencil_alpha(ctx->cso,
+ dst_is_depth ? &ctx->depthstencil_write :
+ &ctx->depthstencil_keep);
+ cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
+ cso_set_clip(ctx->cso, &ctx->clip);
+ cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
+
+ /* sampler */
+ ctx->sampler.normalized_coords = normalized;
+ ctx->sampler.min_img_filter = filter;
+ ctx->sampler.mag_img_filter = filter;
+ ctx->sampler.min_lod = src_level;
+ ctx->sampler.max_lod = src_level;
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ cso_single_sampler_done(ctx->cso);
+
+ /* viewport */
+ ctx->viewport.scale[0] = 0.5f * dst_surface->width;
+ ctx->viewport.scale[1] = 0.5f * dst_surface->height;
+ ctx->viewport.scale[2] = 0.5f;
+ ctx->viewport.scale[3] = 1.0f;
+ ctx->viewport.translate[0] = 0.5f * dst_surface->width;
+ ctx->viewport.translate[1] = 0.5f * dst_surface->height;
+ ctx->viewport.translate[2] = 0.5f;
+ ctx->viewport.translate[3] = 0.0f;
+ cso_set_viewport(ctx->cso, &ctx->viewport);
+
+ /* texture */
+ cso_set_fragment_sampler_views(ctx->cso, 1, &sampler_view);
+
+ /* shaders */
+ if (dst_is_depth) {
+ set_depth_fragment_shader(ctx);
+ } else {
+ set_fragment_shader(ctx, writemask);
+ }
+ set_vertex_shader(ctx);
+
+ /* drawing dest */
+ memset(&fb, 0, sizeof(fb));
+ fb.width = dst_surface->width;
+ fb.height = dst_surface->height;
+ if (dst_is_depth) {
+ fb.zsbuf = dst_surface;
+ } else {
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst_surface;
+ }
+ cso_set_framebuffer(ctx->cso, &fb);
+
+ /* draw quad */
+ offset = setup_vertex_data_tex(ctx,
+ (float) dstX0 / dst_surface->width * 2.0f - 1.0f,
+ (float) dstY0 / dst_surface->height * 2.0f - 1.0f,
+ (float) dstX1 / dst_surface->width * 2.0f - 1.0f,
+ (float) dstY1 / dst_surface->height * 2.0f - 1.0f,
+ s0, t0,
+ s1, t1,
+ z);
+
+ util_draw_vertex_buffer(ctx->pipe, ctx->cso, ctx->vbuf, offset,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ /* restore state we changed */
+ cso_restore_blend(ctx->cso);
+ cso_restore_depth_stencil_alpha(ctx->cso);
+ cso_restore_rasterizer(ctx->cso);
+ cso_restore_samplers(ctx->cso);
+ cso_restore_fragment_sampler_views(ctx->cso);
+ cso_restore_viewport(ctx->cso);
+ cso_restore_framebuffer(ctx->cso);
+ cso_restore_fragment_shader(ctx->cso);
+ cso_restore_vertex_shader(ctx->cso);
+ cso_restore_clip(ctx->cso);
+ cso_restore_vertex_elements(ctx->cso);
+ cso_restore_vertex_buffers(ctx->cso);
+
+ pipe_sampler_view_reference(&sampler_view, NULL);
+ if (dst_surface != dst)
+ pipe_surface_reference(&dst_surface, NULL);
+}
+
+
+void
+util_blit_pixels(struct blit_state *ctx,
+ struct pipe_resource *src_tex,
+ unsigned src_level,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ int srcZ,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter )
+{
+ util_blit_pixels_writemask( ctx, src_tex,
+ src_level,
+ srcX0, srcY0,
+ srcX1, srcY1,
+ srcZ,
+ dst,
+ dstX0, dstY0,
+ dstX1, dstY1,
+ z, filter,
+ TGSI_WRITEMASK_XYZW );
+}
+
+
+/* Release vertex buffer at end of frame to avoid synchronous
+ * rendering.
+ */
+void util_blit_flush( struct blit_state *ctx )
+{
+ pipe_resource_reference(&ctx->vbuf, NULL);
+ ctx->vbuf_slot = 0;
+}
+
+
+
+/**
+ * Copy pixel block from src texture to dst surface.
+ * The sampler view's first_level field indicates the source
+ * mipmap level to use.
+ * XXX need some control over blitting Z and/or stencil.
+ */
+void
+util_blit_pixels_tex(struct blit_state *ctx,
+ struct pipe_sampler_view *src_sampler_view,
+ int srcX0, int srcY0,
+ int srcX1, int srcY1,
+ struct pipe_surface *dst,
+ int dstX0, int dstY0,
+ int dstX1, int dstY1,
+ float z, uint filter)
+{
+ boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT;
+ struct pipe_framebuffer_state fb;
+ float s0, t0, s1, t1;
+ unsigned offset;
+ struct pipe_resource *tex = src_sampler_view->texture;
+
+ assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
+ filter == PIPE_TEX_MIPFILTER_LINEAR);
+
+ assert(tex);
+ assert(tex->width0 != 0);
+ assert(tex->height0 != 0);
+
+ s0 = srcX0;
+ s1 = srcX1;
+ t0 = srcY0;
+ t1 = srcY1;
+
+ if(normalized)
+ {
+ /* normalize according to the mipmap level's size */
+ int level = src_sampler_view->u.tex.first_level;
+ float w = (float) u_minify(tex->width0, level);
+ float h = (float) u_minify(tex->height0, level);
+ s0 /= w;
+ s1 /= w;
+ t0 /= h;
+ t1 /= h;
+ }
+
+ assert(ctx->pipe->screen->is_format_supported(ctx->pipe->screen, dst->format,
+ PIPE_TEXTURE_2D,
+ dst->texture->nr_samples,
+ PIPE_BIND_RENDER_TARGET));
+
+ /* save state (restored below) */
+ cso_save_blend(ctx->cso);
+ cso_save_depth_stencil_alpha(ctx->cso);
+ cso_save_rasterizer(ctx->cso);
+ cso_save_samplers(ctx->cso);
+ cso_save_fragment_sampler_views(ctx->cso);
+ cso_save_viewport(ctx->cso);
+ cso_save_framebuffer(ctx->cso);
+ cso_save_fragment_shader(ctx->cso);
+ cso_save_vertex_shader(ctx->cso);
+ cso_save_clip(ctx->cso);
+ cso_save_vertex_elements(ctx->cso);
+ cso_save_vertex_buffers(ctx->cso);
+
+ /* set misc state we care about */
+ cso_set_blend(ctx->cso, &ctx->blend);
+ cso_set_depth_stencil_alpha(ctx->cso, &ctx->depthstencil_keep);
+ cso_set_rasterizer(ctx->cso, &ctx->rasterizer);
+ cso_set_clip(ctx->cso, &ctx->clip);
+ cso_set_vertex_elements(ctx->cso, 2, ctx->velem);
+
+ /* sampler */
+ ctx->sampler.normalized_coords = normalized;
+ ctx->sampler.min_img_filter = filter;
+ ctx->sampler.mag_img_filter = filter;
+ cso_single_sampler(ctx->cso, 0, &ctx->sampler);
+ cso_single_sampler_done(ctx->cso);
+
+ /* viewport */
+ ctx->viewport.scale[0] = 0.5f * dst->width;
+ ctx->viewport.scale[1] = 0.5f * dst->height;
+ ctx->viewport.scale[2] = 0.5f;
+ ctx->viewport.scale[3] = 1.0f;
+ ctx->viewport.translate[0] = 0.5f * dst->width;
+ ctx->viewport.translate[1] = 0.5f * dst->height;
+ ctx->viewport.translate[2] = 0.5f;
+ ctx->viewport.translate[3] = 0.0f;
+ cso_set_viewport(ctx->cso, &ctx->viewport);
+
+ /* texture */
+ cso_set_fragment_sampler_views(ctx->cso, 1, &src_sampler_view);
+
+ /* shaders */
+ set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW);
+ set_vertex_shader(ctx);
+
+ /* drawing dest */
+ memset(&fb, 0, sizeof(fb));
+ fb.width = dst->width;
+ fb.height = dst->height;
+ fb.nr_cbufs = 1;
+ fb.cbufs[0] = dst;
+ cso_set_framebuffer(ctx->cso, &fb);
+
+ /* draw quad */
+ offset = setup_vertex_data_tex(ctx,
+ (float) dstX0 / dst->width * 2.0f - 1.0f,
+ (float) dstY0 / dst->height * 2.0f - 1.0f,
+ (float) dstX1 / dst->width * 2.0f - 1.0f,
+ (float) dstY1 / dst->height * 2.0f - 1.0f,
+ s0, t0, s1, t1,
+ z);
+
+ util_draw_vertex_buffer(ctx->pipe, ctx->cso,
+ ctx->vbuf, offset,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 2); /* attribs/vert */
+
+ /* restore state we changed */
+ cso_restore_blend(ctx->cso);
+ cso_restore_depth_stencil_alpha(ctx->cso);
+ cso_restore_rasterizer(ctx->cso);
+ cso_restore_samplers(ctx->cso);
+ cso_restore_fragment_sampler_views(ctx->cso);
+ cso_restore_viewport(ctx->cso);
+ cso_restore_framebuffer(ctx->cso);
+ cso_restore_fragment_shader(ctx->cso);
+ cso_restore_vertex_shader(ctx->cso);
+ cso_restore_clip(ctx->cso);
+ cso_restore_vertex_elements(ctx->cso);
+ cso_restore_vertex_buffers(ctx->cso);
+}
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_latc.c b/mesalib/src/gallium/auxiliary/util/u_format_latc.c
index a25faf5d9..113a793e2 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_latc.c
+++ b/mesalib/src/gallium/auxiliary/util/u_format_latc.c
@@ -1,328 +1,326 @@
-/**************************************************************************
- *
- * Copyright (C) 2011 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include <stdio.h>
-#include "u_math.h"
-#include "u_format.h"
-#include "u_format_rgtc.h"
-#include "u_format_latc.h"
-
-static void u_format_unsigned_encode_rgtc_chan(uint8_t *blkaddr, uint8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
- unsigned i, unsigned j, uint8_t *value, unsigned comps);
-
-static void u_format_signed_encode_rgtc_chan(int8_t *blkaddr, int8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
- unsigned i, unsigned j, int8_t *value, unsigned comps);
-
-void
-util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- /* Fix warnings here: */
- (void) u_format_unsigned_encode_rgtc_chan;
- (void) u_format_signed_encode_rgtc_chan;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
-}
-
-void
-util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
- unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
-
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = 1.0;
-}
-
-void
-util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
-
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r;
-
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = 1.0;
-}
-
-
-void
-util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- puts(__func__);
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
-}
-
-void
-util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
-}
-
-void
-util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
-}
-
-void
-util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
-
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r, tmp_g;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = ubyte_to_float(tmp_g);
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r, tmp_g;
-
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = ubyte_to_float(tmp_r);
- dst[3] = ubyte_to_float(tmp_g);
-}
-
-
-void
-util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
-
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r, tmp_g;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = byte_to_float_tex(tmp_g);
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
-}
-
-void
-util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r, tmp_g;
-
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
- dst[0] =
- dst[1] =
- dst[2] = byte_to_float_tex(tmp_r);
- dst[3] = byte_to_float_tex(tmp_g);
-}
-
-
-#define TAG(x) u_format_unsigned_##x
-#define TYPE uint8_t
-#define T_MIN 0
-#define T_MAX 255
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
-
-
-#define TAG(x) u_format_signed_##x
-#define TYPE int8_t
-#define T_MIN (int8_t)-128
-#define T_MAX (int8_t)127
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
+/**************************************************************************
+ *
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+#include "u_math.h"
+#include "u_format.h"
+#include "u_format_rgtc.h"
+#include "u_format_latc.h"
+
+static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4],
+ int numxpixels, int numypixels);
+
+static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
+ unsigned i, unsigned j, uint8_t *value, unsigned comps);
+
+static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4],
+ int numxpixels, int numypixels);
+
+static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
+ unsigned i, unsigned j, int8_t *value, unsigned comps);
+
+void
+util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ /* Fix warnings here: */
+ (void) u_format_unsigned_encode_rgtc_ubyte;
+ (void) u_format_signed_encode_rgtc_ubyte;
+
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
+}
+
+void
+util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
+ unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 8;
+
+ for(y = 0; y < height; y += 4) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ uint8_t tmp_r;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] =
+ dst[1] =
+ dst[2] = ubyte_to_float(tmp_r);
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ uint8_t tmp_r;
+
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] =
+ dst[1] =
+ dst[2] = ubyte_to_float(tmp_r);
+ dst[3] = 1.0;
+}
+
+void
+util_format_latc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 8;
+
+ for(y = 0; y < height; y += 4) {
+ const int8_t *src = (int8_t *)src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ int8_t tmp_r;
+ u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] =
+ dst[1] =
+ dst[2] = byte_to_float_tex(tmp_r);
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ int8_t tmp_r;
+
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
+ dst[0] =
+ dst[1] =
+ dst[2] = byte_to_float_tex(tmp_r);
+ dst[3] = 1.0;
+}
+
+
+void
+util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
+}
+
+void
+util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height);
+}
+
+void
+util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
+}
+
+void
+util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 16;
+
+ for(y = 0; y < height; y += 4) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ uint8_t tmp_r, tmp_g;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] =
+ dst[1] =
+ dst[2] = ubyte_to_float(tmp_r);
+ dst[3] = ubyte_to_float(tmp_g);
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ uint8_t tmp_r, tmp_g;
+
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] =
+ dst[1] =
+ dst[2] = ubyte_to_float(tmp_r);
+ dst[3] = ubyte_to_float(tmp_g);
+}
+
+
+void
+util_format_latc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 16;
+
+ for(y = 0; y < height; y += 4) {
+ const int8_t *src = (int8_t *)src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ int8_t tmp_r, tmp_g;
+ u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] =
+ dst[1] =
+ dst[2] = byte_to_float_tex(tmp_r);
+ dst[3] = byte_to_float_tex(tmp_g);
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3);
+}
+
+void
+util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ int8_t tmp_r, tmp_g;
+
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
+ dst[0] =
+ dst[1] =
+ dst[2] = byte_to_float_tex(tmp_r);
+ dst[3] = byte_to_float_tex(tmp_g);
+}
+
+
+#define TAG(x) u_format_unsigned_##x
+#define TYPE uint8_t
+#define T_MIN 0
+#define T_MAX 255
+
+#include "../../../mesa/main/texcompress_rgtc_tmp.h"
+
+#undef TYPE
+#undef TAG
+#undef T_MIN
+#undef T_MAX
+
+
+#define TAG(x) u_format_signed_##x
+#define TYPE int8_t
+#define T_MIN (int8_t)-128
+#define T_MAX (int8_t)127
+
+#include "../../../mesa/main/texcompress_rgtc_tmp.h"
+
+#undef TYPE
+#undef TAG
+#undef T_MIN
+#undef T_MAX
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_rgtc.c b/mesalib/src/gallium/auxiliary/util/u_format_rgtc.c
index c3fa54c74..2371bab1e 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_rgtc.c
+++ b/mesalib/src/gallium/auxiliary/util/u_format_rgtc.c
@@ -1,464 +1,464 @@
-/**************************************************************************
- *
- * Copyright (C) 2011 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#include <stdio.h>
-#include "u_math.h"
-#include "u_format.h"
-#include "u_format_rgtc.h"
-
-static void u_format_unsigned_encode_rgtc_chan(uint8_t *blkaddr, uint8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
- unsigned i, unsigned j, uint8_t *value, unsigned comps);
-
-static void u_format_signed_encode_rgtc_chan(int8_t *blkaddr, int8_t srccolors[4][4],
- int numxpixels, int numypixels);
-
-static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
- unsigned i, unsigned j, int8_t *value, unsigned comps);
-
-void
-util_format_rgtc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
-}
-
-void
-util_format_rgtc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, comps = 4;
- unsigned x, y, i, j;
- unsigned block_size = 8;
-
- for(y = 0; y < height; y += bh) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += bw) {
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rgtc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
- unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 8;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- uint8_t *dst = dst_row;
- for(x = 0; x < width; x += bw) {
- uint8_t tmp[4][4]; /* [bh][bw][comps] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4];
- }
- }
- u_format_unsigned_encode_rgtc_chan(dst, tmp, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rgtc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] = ubyte_to_float(tmp_r);
- dst[1] = 0.0;
- dst[2] = 0.0;
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rgtc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 8;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- uint8_t *dst = dst_row;
- for(x = 0; x < width; x += bw) {
- uint8_t tmp[4][4]; /* [bh][bw][comps] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
- }
- }
- u_format_unsigned_encode_rgtc_chan(dst, tmp, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rgtc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] = ubyte_to_float(tmp_r);
- dst[1] = 0.0;
- dst[2] = 0.0;
- dst[3] = 1.0;
-}
-
-void
-util_format_rgtc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 8;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- int8_t *dst = (int8_t *)dst_row;
- for(x = 0; x < width; x += bw) {
- int8_t tmp[4][4]; /* [bh][bw][comps] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
- }
- }
- u_format_signed_encode_rgtc_chan(dst, tmp, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rgtc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 8;
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
- dst[0] = byte_to_float_tex(tmp_r);
- dst[1] = 0.0;
- dst[2] = 0.0;
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rgtc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r;
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
- dst[0] = byte_to_float_tex(tmp_r);
- dst[1] = 0.0;
- dst[2] = 0.0;
- dst[3] = 1.0;
-}
-
-
-void
-util_format_rgtc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
-}
-
-void
-util_format_rgtc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, comps = 4;
- unsigned x, y, i, j;
- unsigned block_size = 16;
-
- for(y = 0; y < height; y += bh) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += bw) {
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
-
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rgtc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 16;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- uint8_t *dst = dst_row;
- for(x = 0; x < width; x += bw) {
- uint8_t tmp_r[4][4]; /* [bh][bw] */
- uint8_t tmp_g[4][4]; /* [bh][bw] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp_r[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4];
- tmp_g[j][i] = src_row[((y + j)*src_stride/sizeof(*src_row) + (x + i)*4) + 1];
- }
- }
- u_format_unsigned_encode_rgtc_chan(dst, tmp_r, 4, 4);
- u_format_unsigned_encode_rgtc_chan(dst + 8, tmp_g, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rxtc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 16;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- uint8_t *dst = dst_row;
- for(x = 0; x < width; x += bw) {
- uint8_t tmp_r[4][4]; /* [bh][bw][comps] */
- uint8_t tmp_g[4][4]; /* [bh][bw][comps] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp_r[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
- tmp_g[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]);
- }
- }
- u_format_unsigned_encode_rgtc_chan(dst, tmp_r, 4, 4);
- u_format_unsigned_encode_rgtc_chan(dst + 8, tmp_g, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rgtc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 1);
-}
-
-void
-util_format_rgtc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
- for(y = 0; y < height; y += 4) {
- const uint8_t *src = src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- uint8_t tmp_r, tmp_g;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] = ubyte_to_float(tmp_r);
- dst[1] = ubyte_to_float(tmp_g);
- dst[2] = 0.0;
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rgtc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- uint8_t tmp_r, tmp_g;
- u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] = ubyte_to_float(tmp_r);
- dst[1] = ubyte_to_float(tmp_g);
- dst[2] = 0.0;
- dst[3] = 1.0;
-}
-
-
-void
-util_format_rgtc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- fprintf(stderr,"%s\n", __func__);
-}
-
-void
-util_format_rgtc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- unsigned x, y, i, j;
- int block_size = 16;
- for(y = 0; y < height; y += 4) {
- const int8_t *src = (int8_t *)src_row;
- for(x = 0; x < width; x += 4) {
- for(j = 0; j < 4; ++j) {
- for(i = 0; i < 4; ++i) {
- float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
- int8_t tmp_r, tmp_g;
- u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
- dst[0] = byte_to_float_tex(tmp_r);
- dst[1] = byte_to_float_tex(tmp_g);
- dst[2] = 0.0;
- dst[3] = 1.0;
- }
- }
- src += block_size;
- }
- src_row += src_stride;
- }
-}
-
-void
-util_format_rxtc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off)
-{
- const unsigned bw = 4, bh = 4, bytes_per_block = 16;
- unsigned x, y, i, j;
-
- for(y = 0; y < height; y += bh) {
- int8_t *dst = (int8_t *)dst_row;
- for(x = 0; x < width; x += bw) {
- int8_t tmp_r[4][4]; /* [bh][bw][comps] */
- int8_t tmp_g[4][4]; /* [bh][bw][comps] */
- for(j = 0; j < bh; ++j) {
- for(i = 0; i < bw; ++i) {
- tmp_r[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
- tmp_g[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]);
- }
- }
- u_format_signed_encode_rgtc_chan(dst, tmp_r, 4, 4);
- u_format_signed_encode_rgtc_chan(dst + 8, tmp_g, 4, 4);
- dst += bytes_per_block;
- }
- dst_row += dst_stride / sizeof(*dst_row);
- }
-}
-
-void
-util_format_rgtc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
-{
- util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 1);
-}
-
-void
-util_format_rgtc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
-{
- int8_t tmp_r, tmp_g;
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
- u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
- dst[0] = byte_to_float_tex(tmp_r);
- dst[1] = byte_to_float_tex(tmp_g);
- dst[2] = 0.0;
- dst[3] = 1.0;
-}
-
-
-#define TAG(x) u_format_unsigned_##x
-#define TYPE uint8_t
-#define T_MIN 0
-#define T_MAX 255
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
-
-
-#define TAG(x) u_format_signed_##x
-#define TYPE int8_t
-#define T_MIN (int8_t)-128
-#define T_MAX (int8_t)127
-
-#include "../../../mesa/main/texcompress_rgtc_tmp.h"
-
-#undef TYPE
-#undef TAG
-#undef T_MIN
-#undef T_MAX
+/**************************************************************************
+ *
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+#include "u_math.h"
+#include "u_format.h"
+#include "u_format_rgtc.h"
+
+static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4],
+ int numxpixels, int numypixels);
+
+static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata,
+ unsigned i, unsigned j, uint8_t *value, unsigned comps);
+
+static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4],
+ int numxpixels, int numypixels);
+
+static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata,
+ unsigned i, unsigned j, int8_t *value, unsigned comps);
+
+void
+util_format_rgtc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
+}
+
+void
+util_format_rgtc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, comps = 4;
+ unsigned x, y, i, j;
+ unsigned block_size = 8;
+
+ for(y = 0; y < height; y += bh) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += bw) {
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1);
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rgtc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row,
+ unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 8;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += bw) {
+ uint8_t tmp[4][4]; /* [bh][bw][comps] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4];
+ }
+ }
+ u_format_unsigned_encode_rgtc_ubyte(dst, tmp, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rgtc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 8;
+ for(y = 0; y < height; y += 4) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ uint8_t tmp_r;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] = ubyte_to_float(tmp_r);
+ dst[1] = 0.0;
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rgtc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 8;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += bw) {
+ uint8_t tmp[4][4]; /* [bh][bw][comps] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
+ }
+ }
+ u_format_unsigned_encode_rgtc_ubyte(dst, tmp, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rgtc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ uint8_t tmp_r;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] = ubyte_to_float(tmp_r);
+ dst[1] = 0.0;
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+}
+
+void
+util_format_rgtc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 8;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ int8_t *dst = (int8_t *)dst_row;
+ for(x = 0; x < width; x += bw) {
+ int8_t tmp[4][4]; /* [bh][bw][comps] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
+ }
+ }
+ u_format_signed_encode_rgtc_ubyte(dst, tmp, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rgtc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 8;
+ for(y = 0; y < height; y += 4) {
+ const int8_t *src = (int8_t *)src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ int8_t tmp_r;
+ u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1);
+ dst[0] = byte_to_float_tex(tmp_r);
+ dst[1] = 0.0;
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rgtc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ int8_t tmp_r;
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1);
+ dst[0] = byte_to_float_tex(tmp_r);
+ dst[1] = 0.0;
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+}
+
+
+void
+util_format_rgtc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
+}
+
+void
+util_format_rgtc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, comps = 4;
+ unsigned x, y, i, j;
+ unsigned block_size = 16;
+
+ for(y = 0; y < height; y += bh) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += bw) {
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2);
+
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rgtc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 16;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += bw) {
+ uint8_t tmp_r[4][4]; /* [bh][bw] */
+ uint8_t tmp_g[4][4]; /* [bh][bw] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp_r[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4];
+ tmp_g[j][i] = src_row[((y + j)*src_stride/sizeof(*src_row) + (x + i)*4) + 1];
+ }
+ }
+ u_format_unsigned_encode_rgtc_ubyte(dst, tmp_r, 4, 4);
+ u_format_unsigned_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rxtc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 16;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ uint8_t *dst = dst_row;
+ for(x = 0; x < width; x += bw) {
+ uint8_t tmp_r[4][4]; /* [bh][bw][comps] */
+ uint8_t tmp_g[4][4]; /* [bh][bw][comps] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp_r[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
+ tmp_g[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]);
+ }
+ }
+ u_format_unsigned_encode_rgtc_ubyte(dst, tmp_r, 4, 4);
+ u_format_unsigned_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rgtc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 1);
+}
+
+void
+util_format_rgtc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 16;
+ for(y = 0; y < height; y += 4) {
+ const uint8_t *src = src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ uint8_t tmp_r, tmp_g;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] = ubyte_to_float(tmp_r);
+ dst[1] = ubyte_to_float(tmp_g);
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rgtc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ uint8_t tmp_r, tmp_g;
+ u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] = ubyte_to_float(tmp_r);
+ dst[1] = ubyte_to_float(tmp_g);
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+}
+
+
+void
+util_format_rgtc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ fprintf(stderr,"%s\n", __func__);
+}
+
+void
+util_format_rgtc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ unsigned x, y, i, j;
+ int block_size = 16;
+ for(y = 0; y < height; y += 4) {
+ const int8_t *src = (int8_t *)src_row;
+ for(x = 0; x < width; x += 4) {
+ for(j = 0; j < 4; ++j) {
+ for(i = 0; i < 4; ++i) {
+ float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4;
+ int8_t tmp_r, tmp_g;
+ u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2);
+ u_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2);
+ dst[0] = byte_to_float_tex(tmp_r);
+ dst[1] = byte_to_float_tex(tmp_g);
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+ }
+ }
+ src += block_size;
+ }
+ src_row += src_stride;
+ }
+}
+
+void
+util_format_rxtc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off)
+{
+ const unsigned bw = 4, bh = 4, bytes_per_block = 16;
+ unsigned x, y, i, j;
+
+ for(y = 0; y < height; y += bh) {
+ int8_t *dst = (int8_t *)dst_row;
+ for(x = 0; x < width; x += bw) {
+ int8_t tmp_r[4][4]; /* [bh][bw][comps] */
+ int8_t tmp_g[4][4]; /* [bh][bw][comps] */
+ for(j = 0; j < bh; ++j) {
+ for(i = 0; i < bw; ++i) {
+ tmp_r[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]);
+ tmp_g[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]);
+ }
+ }
+ u_format_signed_encode_rgtc_ubyte(dst, tmp_r, 4, 4);
+ u_format_signed_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4);
+ dst += bytes_per_block;
+ }
+ dst_row += dst_stride / sizeof(*dst_row);
+ }
+}
+
+void
+util_format_rgtc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height)
+{
+ util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 1);
+}
+
+void
+util_format_rgtc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j)
+{
+ int8_t tmp_r, tmp_g;
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2);
+ u_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2);
+ dst[0] = byte_to_float_tex(tmp_r);
+ dst[1] = byte_to_float_tex(tmp_g);
+ dst[2] = 0.0;
+ dst[3] = 1.0;
+}
+
+
+#define TAG(x) u_format_unsigned_##x
+#define TYPE uint8_t
+#define T_MIN 0
+#define T_MAX 255
+
+#include "../../../mesa/main/texcompress_rgtc_tmp.h"
+
+#undef TYPE
+#undef TAG
+#undef T_MIN
+#undef T_MAX
+
+
+#define TAG(x) u_format_signed_##x
+#define TYPE int8_t
+#define T_MIN (int8_t)-128
+#define T_MAX (int8_t)127
+
+#include "../../../mesa/main/texcompress_rgtc_tmp.h"
+
+#undef TYPE
+#undef TAG
+#undef T_MIN
+#undef T_MAX
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 10:18:33 +0000