diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_surface.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_surface.c | 775 |
1 files changed, 404 insertions, 371 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_surface.c b/mesalib/src/gallium/auxiliary/util/u_surface.c index 26f2aee99..8e123867d 100644 --- a/mesalib/src/gallium/auxiliary/util/u_surface.c +++ b/mesalib/src/gallium/auxiliary/util/u_surface.c @@ -1,371 +1,404 @@ -/**************************************************************************
- *
- * Copyright 2009 VMware, Inc. 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 VMWARE 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
- * Surface utility functions.
- *
- * @author Brian Paul
- */
-
-
-#include "pipe/p_defines.h"
-#include "pipe/p_screen.h"
-#include "pipe/p_state.h"
-
-#include "util/u_format.h"
-#include "util/u_inlines.h"
-#include "util/u_rect.h"
-#include "util/u_surface.h"
-#include "util/u_pack_color.h"
-
-void
-u_surface_default_template(struct pipe_surface *view,
- const struct pipe_resource *texture,
- unsigned bind)
-{
- view->format = texture->format;
- view->u.tex.level = 0;
- view->u.tex.first_layer = 0;
- view->u.tex.last_layer = 0;
- /* XXX should filter out all non-rt/ds bind flags ? */
- view->usage = bind;
-}
-
-/**
- * Helper to quickly create an RGBA rendering surface of a certain size.
- * \param textureOut returns the new texture
- * \param surfaceOut returns the new surface
- * \return TRUE for success, FALSE if failure
- */
-boolean
-util_create_rgba_surface(struct pipe_context *pipe,
- uint width, uint height,
- uint bind,
- struct pipe_resource **textureOut,
- struct pipe_surface **surfaceOut)
-{
- static const enum pipe_format rgbaFormats[] = {
- PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_A8R8G8B8_UNORM,
- PIPE_FORMAT_A8B8G8R8_UNORM,
- PIPE_FORMAT_NONE
- };
- const uint target = PIPE_TEXTURE_2D;
- enum pipe_format format = PIPE_FORMAT_NONE;
- struct pipe_resource templ;
- struct pipe_surface surf_templ;
- struct pipe_screen *screen = pipe->screen;
- uint i;
-
- /* Choose surface format */
- for (i = 0; rgbaFormats[i]; i++) {
- if (screen->is_format_supported(screen, rgbaFormats[i],
- target, 0, bind)) {
- format = rgbaFormats[i];
- break;
- }
- }
- if (format == PIPE_FORMAT_NONE)
- return FALSE; /* unable to get an rgba format!?! */
-
- /* create texture */
- memset(&templ, 0, sizeof(templ));
- templ.target = target;
- templ.format = format;
- templ.last_level = 0;
- templ.width0 = width;
- templ.height0 = height;
- templ.depth0 = 1;
- templ.array_size = 1;
- templ.bind = bind;
-
- *textureOut = screen->resource_create(screen, &templ);
- if (!*textureOut)
- return FALSE;
-
- /* create surface */
- memset(&surf_templ, 0, sizeof(surf_templ));
- u_surface_default_template(&surf_templ, *textureOut, bind);
- /* create surface / view into texture */
- *surfaceOut = pipe->create_surface(pipe,
- *textureOut,
- &surf_templ);
- if (!*surfaceOut) {
- pipe_resource_reference(textureOut, NULL);
- return FALSE;
- }
-
- return TRUE;
-}
-
-
-/**
- * Release the surface and texture from util_create_rgba_surface().
- */
-void
-util_destroy_rgba_surface(struct pipe_resource *texture,
- struct pipe_surface *surface)
-{
- pipe_surface_reference(&surface, NULL);
- pipe_resource_reference(&texture, NULL);
-}
-
-
-
-/**
- * Fallback function for pipe->resource_copy_region().
- * Note: (X,Y)=(0,0) is always the upper-left corner.
- */
-void
-util_resource_copy_region(struct pipe_context *pipe,
- struct pipe_resource *dst,
- unsigned dst_level,
- unsigned dst_x, unsigned dst_y, unsigned dst_z,
- struct pipe_resource *src,
- unsigned src_level,
- const struct pipe_box *src_box)
-{
- struct pipe_transfer *src_trans, *dst_trans;
- void *dst_map;
- const void *src_map;
- enum pipe_format src_format, dst_format;
- unsigned w = src_box->width;
- unsigned h = src_box->height;
-
- assert(src && dst);
- assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) ||
- (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER));
-
- if (!src || !dst)
- return;
-
- src_format = src->format;
- dst_format = dst->format;
-
- src_trans = pipe_get_transfer(pipe,
- src,
- src_level,
- src_box->z,
- PIPE_TRANSFER_READ,
- src_box->x, src_box->y, w, h);
-
- dst_trans = pipe_get_transfer(pipe,
- dst,
- dst_level,
- dst_z,
- PIPE_TRANSFER_WRITE,
- dst_x, dst_y, w, h);
-
- assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));
- assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));
- assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));
-
- src_map = pipe->transfer_map(pipe, src_trans);
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(src_map);
- assert(dst_map);
-
- if (src_map && dst_map) {
- if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
- memcpy(dst_map, src_map, w);
- } else {
- util_copy_rect(dst_map,
- dst_format,
- dst_trans->stride,
- 0, 0,
- w, h,
- src_map,
- src_trans->stride,
- 0,
- 0);
- }
- }
-
- pipe->transfer_unmap(pipe, src_trans);
- pipe->transfer_unmap(pipe, dst_trans);
-
- pipe->transfer_destroy(pipe, src_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
-
-
-
-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
-
-
-/**
- * Fallback for pipe->clear_render_target() function.
- * XXX this looks too hackish to be really useful.
- * cpp > 4 looks like a gross hack at best...
- * Plus can't use these transfer fallbacks when clearing
- * multisampled surfaces for instance.
- */
-void
-util_clear_render_target(struct pipe_context *pipe,
- struct pipe_surface *dst,
- const float *rgba,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct pipe_transfer *dst_trans;
- void *dst_map;
- union util_color uc;
-
- assert(dst->texture);
- if (!dst->texture)
- return;
- /* XXX: should handle multiple layers */
- dst_trans = pipe_get_transfer(pipe,
- dst->texture,
- dst->u.tex.level,
- dst->u.tex.first_layer,
- PIPE_TRANSFER_WRITE,
- dstx, dsty, width, height);
-
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(dst_map);
-
- if (dst_map) {
- assert(dst_trans->stride > 0);
-
- util_pack_color(rgba, dst->texture->format, &uc);
- util_fill_rect(dst_map, dst->texture->format,
- dst_trans->stride,
- 0, 0, width, height, &uc);
- }
-
- pipe->transfer_unmap(pipe, dst_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
-
-/**
- * Fallback for pipe->clear_stencil() function.
- * sw fallback doesn't look terribly useful here.
- * Plus can't use these transfer fallbacks when clearing
- * multisampled surfaces for instance.
- */
-void
-util_clear_depth_stencil(struct pipe_context *pipe,
- struct pipe_surface *dst,
- unsigned clear_flags,
- double depth,
- unsigned stencil,
- unsigned dstx, unsigned dsty,
- unsigned width, unsigned height)
-{
- struct pipe_transfer *dst_trans;
- ubyte *dst_map;
- boolean need_rmw = FALSE;
-
- if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) &&
- ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) &&
- util_format_is_depth_and_stencil(dst->format))
- need_rmw = TRUE;
-
- assert(dst->texture);
- if (!dst->texture)
- return;
- dst_trans = pipe_get_transfer(pipe,
- dst->texture,
- dst->u.tex.level,
- dst->u.tex.first_layer,
- (need_rmw ? PIPE_TRANSFER_READ_WRITE :
- PIPE_TRANSFER_WRITE),
- dstx, dsty, width, height);
-
- dst_map = pipe->transfer_map(pipe, dst_trans);
-
- assert(dst_map);
-
- if (dst_map) {
- unsigned dst_stride = dst_trans->stride;
- unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil);
- unsigned i, j;
- assert(dst_trans->stride > 0);
-
- switch (util_format_get_blocksize(dst->format)) {
- case 1:
- assert(dst->format == PIPE_FORMAT_S8_USCALED);
- if(dst_stride == width)
- memset(dst_map, (ubyte) zstencil, height * width);
- else {
- for (i = 0; i < height; i++) {
- memset(dst_map, (ubyte) zstencil, width);
- dst_map += dst_stride;
- }
- }
- break;
- case 2:
- assert(dst->format == PIPE_FORMAT_Z16_UNORM);
- for (i = 0; i < height; i++) {
- uint16_t *row = (uint16_t *)dst_map;
- for (j = 0; j < width; j++)
- *row++ = (uint16_t) zstencil;
- dst_map += dst_stride;
- }
- break;
- case 4:
- if (!need_rmw) {
- for (i = 0; i < height; i++) {
- uint32_t *row = (uint32_t *)dst_map;
- for (j = 0; j < width; j++)
- *row++ = zstencil;
- dst_map += dst_stride;
- }
- }
- else {
- uint32_t dst_mask;
- if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED)
- dst_mask = 0xffffff00;
- else {
- assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM);
- dst_mask = 0xffffff;
- }
- if (clear_flags & PIPE_CLEAR_DEPTH)
- dst_mask = ~dst_mask;
- for (i = 0; i < height; i++) {
- uint32_t *row = (uint32_t *)dst_map;
- for (j = 0; j < width; j++) {
- uint32_t tmp = *row & dst_mask;
- *row++ = tmp | (zstencil & ~dst_mask);
- }
- dst_map += dst_stride;
- }
- }
- break;
- case 8:
- default:
- assert(0);
- break;
- }
- }
-
- pipe->transfer_unmap(pipe, dst_trans);
- pipe->transfer_destroy(pipe, dst_trans);
-}
+/************************************************************************** + * + * Copyright 2009 VMware, Inc. 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 VMWARE 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 + * Surface utility functions. + * + * @author Brian Paul + */ + + +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "pipe/p_state.h" + +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "util/u_rect.h" +#include "util/u_surface.h" +#include "util/u_pack_color.h" + +void +u_surface_default_template(struct pipe_surface *view, + const struct pipe_resource *texture, + unsigned bind) +{ + view->format = texture->format; + view->u.tex.level = 0; + view->u.tex.first_layer = 0; + view->u.tex.last_layer = 0; + /* XXX should filter out all non-rt/ds bind flags ? */ + view->usage = bind; +} + +/** + * Helper to quickly create an RGBA rendering surface of a certain size. + * \param textureOut returns the new texture + * \param surfaceOut returns the new surface + * \return TRUE for success, FALSE if failure + */ +boolean +util_create_rgba_surface(struct pipe_context *pipe, + uint width, uint height, + uint bind, + struct pipe_resource **textureOut, + struct pipe_surface **surfaceOut) +{ + static const enum pipe_format rgbaFormats[] = { + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_A8B8G8R8_UNORM, + PIPE_FORMAT_NONE + }; + const uint target = PIPE_TEXTURE_2D; + enum pipe_format format = PIPE_FORMAT_NONE; + struct pipe_resource templ; + struct pipe_surface surf_templ; + struct pipe_screen *screen = pipe->screen; + uint i; + + /* Choose surface format */ + for (i = 0; rgbaFormats[i]; i++) { + if (screen->is_format_supported(screen, rgbaFormats[i], + target, 0, bind)) { + format = rgbaFormats[i]; + break; + } + } + if (format == PIPE_FORMAT_NONE) + return FALSE; /* unable to get an rgba format!?! */ + + /* create texture */ + memset(&templ, 0, sizeof(templ)); + templ.target = target; + templ.format = format; + templ.last_level = 0; + templ.width0 = width; + templ.height0 = height; + templ.depth0 = 1; + templ.array_size = 1; + templ.bind = bind; + + *textureOut = screen->resource_create(screen, &templ); + if (!*textureOut) + return FALSE; + + /* create surface */ + memset(&surf_templ, 0, sizeof(surf_templ)); + u_surface_default_template(&surf_templ, *textureOut, bind); + /* create surface / view into texture */ + *surfaceOut = pipe->create_surface(pipe, + *textureOut, + &surf_templ); + if (!*surfaceOut) { + pipe_resource_reference(textureOut, NULL); + return FALSE; + } + + return TRUE; +} + + +/** + * Release the surface and texture from util_create_rgba_surface(). + */ +void +util_destroy_rgba_surface(struct pipe_resource *texture, + struct pipe_surface *surface) +{ + pipe_surface_reference(&surface, NULL); + pipe_resource_reference(&texture, NULL); +} + + + +/** + * Fallback function for pipe->resource_copy_region(). + * Note: (X,Y)=(0,0) is always the upper-left corner. + */ +void +util_resource_copy_region(struct pipe_context *pipe, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dst_x, unsigned dst_y, unsigned dst_z, + struct pipe_resource *src, + unsigned src_level, + const struct pipe_box *src_box) +{ + struct pipe_transfer *src_trans, *dst_trans; + void *dst_map; + const void *src_map; + enum pipe_format src_format, dst_format; + unsigned w = src_box->width; + unsigned h = src_box->height; + + assert(src && dst); + assert((src->target == PIPE_BUFFER && dst->target == PIPE_BUFFER) || + (src->target != PIPE_BUFFER && dst->target != PIPE_BUFFER)); + + if (!src || !dst) + return; + + src_format = src->format; + dst_format = dst->format; + + src_trans = pipe_get_transfer(pipe, + src, + src_level, + src_box->z, + PIPE_TRANSFER_READ, + src_box->x, src_box->y, w, h); + + dst_trans = pipe_get_transfer(pipe, + dst, + dst_level, + dst_z, + PIPE_TRANSFER_WRITE, + dst_x, dst_y, w, h); + + assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format)); + assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format)); + assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format)); + + src_map = pipe->transfer_map(pipe, src_trans); + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(src_map); + assert(dst_map); + + if (src_map && dst_map) { + if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { + memcpy(dst_map, src_map, w); + } else { + util_copy_rect(dst_map, + dst_format, + dst_trans->stride, + 0, 0, + w, h, + src_map, + src_trans->stride, + 0, + 0); + } + } + + pipe->transfer_unmap(pipe, src_trans); + pipe->transfer_unmap(pipe, dst_trans); + + pipe->transfer_destroy(pipe, src_trans); + pipe->transfer_destroy(pipe, dst_trans); +} + + + +#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8)) + + +/** + * Fallback for pipe->clear_render_target() function. + * XXX this looks too hackish to be really useful. + * cpp > 4 looks like a gross hack at best... + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + */ +void +util_clear_render_target(struct pipe_context *pipe, + struct pipe_surface *dst, + const float *rgba, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) +{ + struct pipe_transfer *dst_trans; + void *dst_map; + union util_color uc; + + assert(dst->texture); + if (!dst->texture) + return; + /* XXX: should handle multiple layers */ + dst_trans = pipe_get_transfer(pipe, + dst->texture, + dst->u.tex.level, + dst->u.tex.first_layer, + PIPE_TRANSFER_WRITE, + dstx, dsty, width, height); + + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(dst_map); + + if (dst_map) { + assert(dst_trans->stride > 0); + + util_pack_color(rgba, dst->texture->format, &uc); + util_fill_rect(dst_map, dst->texture->format, + dst_trans->stride, + 0, 0, width, height, &uc); + } + + pipe->transfer_unmap(pipe, dst_trans); + pipe->transfer_destroy(pipe, dst_trans); +} + +/** + * Fallback for pipe->clear_stencil() function. + * sw fallback doesn't look terribly useful here. + * Plus can't use these transfer fallbacks when clearing + * multisampled surfaces for instance. + */ +void +util_clear_depth_stencil(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned clear_flags, + double depth, + unsigned stencil, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height) +{ + struct pipe_transfer *dst_trans; + ubyte *dst_map; + boolean need_rmw = FALSE; + + if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) && + ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) && + util_format_is_depth_and_stencil(dst->format)) + need_rmw = TRUE; + + assert(dst->texture); + if (!dst->texture) + return; + dst_trans = pipe_get_transfer(pipe, + dst->texture, + dst->u.tex.level, + dst->u.tex.first_layer, + (need_rmw ? PIPE_TRANSFER_READ_WRITE : + PIPE_TRANSFER_WRITE), + dstx, dsty, width, height); + + dst_map = pipe->transfer_map(pipe, dst_trans); + + assert(dst_map); + + if (dst_map) { + unsigned dst_stride = dst_trans->stride; + unsigned zstencil = util_pack_z_stencil(dst->texture->format, depth, stencil); + unsigned i, j; + assert(dst_trans->stride > 0); + + switch (util_format_get_blocksize(dst->format)) { + case 1: + assert(dst->format == PIPE_FORMAT_S8_USCALED); + if(dst_stride == width) + memset(dst_map, (ubyte) zstencil, height * width); + else { + for (i = 0; i < height; i++) { + memset(dst_map, (ubyte) zstencil, width); + dst_map += dst_stride; + } + } + break; + case 2: + assert(dst->format == PIPE_FORMAT_Z16_UNORM); + for (i = 0; i < height; i++) { + uint16_t *row = (uint16_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = (uint16_t) zstencil; + dst_map += dst_stride; + } + break; + case 4: + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = zstencil; + dst_map += dst_stride; + } + } + else { + uint32_t dst_mask; + if (dst->format == PIPE_FORMAT_Z24_UNORM_S8_USCALED) + dst_mask = 0xffffff00; + else { + assert(dst->format == PIPE_FORMAT_S8_USCALED_Z24_UNORM); + dst_mask = 0xffffff; + } + if (clear_flags & PIPE_CLEAR_DEPTH) + dst_mask = ~dst_mask; + for (i = 0; i < height; i++) { + uint32_t *row = (uint32_t *)dst_map; + for (j = 0; j < width; j++) { + uint32_t tmp = *row & dst_mask; + *row++ = tmp | (zstencil & ~dst_mask); + } + dst_map += dst_stride; + } + } + break; + case 8: + { + uint64_t zstencil = util_pack64_z_stencil(dst->texture->format, + depth, stencil); + + assert(dst->format == PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED); + + if (!need_rmw) { + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) + *row++ = zstencil; + dst_map += dst_stride; + } + } + else { + uint64_t src_mask; + + if (clear_flags & PIPE_CLEAR_DEPTH) + src_mask = 0x00000000ffffffffull; + else + src_mask = 0x000000ff00000000ull; + + for (i = 0; i < height; i++) { + uint64_t *row = (uint64_t *)dst_map; + for (j = 0; j < width; j++) { + uint64_t tmp = *row & ~src_mask; + *row++ = tmp | (zstencil & src_mask); + } + dst_map += dst_stride; + } + } + break; + } + default: + assert(0); + break; + } + } + + pipe->transfer_unmap(pipe, dst_trans); + pipe->transfer_destroy(pipe, dst_trans); +} |