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authormarha <marha@users.sourceforge.net>2013-02-27 10:45:05 +0100
committermarha <marha@users.sourceforge.net>2013-02-27 10:45:05 +0100
commitc74ef795c7282681616decc36a9a81cd1b1b6ec7 (patch)
treebeb5f13ba78bd7920eae918b6aa5db5bac83f0da /mesalib/src/mesa/state_tracker/st_cb_texture.c
parentf51268259621a21d14e40b8a41c5803a5c2ce706 (diff)
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libX11 mesa pixman xkeyboard-config
xkeyboard-config commit 9993f996e75232385b19cc5078f7fecde6b399b9 libX11 commit b687440c28c7da6ee0ae44514d20248db5161606 pixman commit 2156fb51b353867d5a18b734690ca551f74d4fb1 mesa commit f987d23b28491bd7b0552bd9daffa53a8e073c71
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c678
1 files changed, 389 insertions, 289 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index f8ff024db..c922a3164 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -59,7 +59,6 @@
#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_tile.h"
-#include "util/u_blit.h"
#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_sampler.h"
@@ -539,14 +538,274 @@ prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
}
+/**
+ * Return a writemask for the gallium blit. The parameters can be base
+ * formats or "format" from glDrawPixels/glTexImage/glGetTexImage.
+ */
+static unsigned
+get_blit_mask(GLenum srcFormat, GLenum dstFormat)
+{
+ switch (dstFormat) {
+ case GL_DEPTH_STENCIL:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ return PIPE_MASK_ZS;
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_DEPTH_COMPONENT:
+ switch (srcFormat) {
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH_COMPONENT:
+ return PIPE_MASK_Z;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ case GL_STENCIL_INDEX:
+ switch (srcFormat) {
+ case GL_STENCIL_INDEX:
+ return PIPE_MASK_S;
+ default:
+ assert(0);
+ return 0;
+ }
+
+ default:
+ return PIPE_MASK_RGBA;
+ }
+}
+
+
+static void
+st_TexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const void *pixels,
+ const struct gl_pixelstore_attrib *unpack)
+{
+ struct st_context *st = st_context(ctx);
+ struct st_texture_image *stImage = st_texture_image(texImage);
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_resource *dst = stImage->pt;
+ struct pipe_resource *src = NULL;
+ struct pipe_resource src_templ;
+ struct pipe_transfer *transfer;
+ struct pipe_blit_info blit;
+ enum pipe_format src_format, dst_format;
+ gl_format mesa_src_format;
+ GLenum gl_target = texImage->TexObject->Target;
+ unsigned bind;
+ GLubyte *map;
+
+ if (!dst) {
+ goto fallback;
+ }
+
+ /* XXX Fallback for depth-stencil formats due to an incomplete stencil
+ * blit implementation in some drivers. */
+ if (format == GL_DEPTH_STENCIL) {
+ goto fallback;
+ }
+
+ /* If the base internal format and the texture format don't match,
+ * we can't use blit-based TexSubImage. */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* See if the texture format already matches the format and type,
+ * in which case the memcpy-based fast path will likely be used and
+ * we don't have to blit. */
+ if (_mesa_format_matches_format_and_type(texImage->TexFormat, format,
+ type, unpack->SwapBytes)) {
+ goto fallback;
+ }
+
+ if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_STENCIL)
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ else
+ bind = PIPE_BIND_RENDER_TARGET;
+
+ /* See if the destination format is supported.
+ * For luminance and intensity, only the red channel is stored there. */
+ dst_format = util_format_linear(dst->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
+
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, dst->target,
+ dst->nr_samples, bind)) {
+ goto fallback;
+ }
+
+ /* Choose the source format. */
+ src_format = st_choose_matching_format(screen, PIPE_BIND_SAMPLER_VIEW,
+ format, type, unpack->SwapBytes);
+ if (!src_format) {
+ goto fallback;
+ }
+
+ mesa_src_format = st_pipe_format_to_mesa_format(src_format);
+
+ /* There is no reason to do this if we cannot use memcpy for the temporary
+ * source texture at least. This also takes transfer ops into account,
+ * etc. */
+ if (!_mesa_texstore_can_use_memcpy(ctx,
+ _mesa_get_format_base_format(mesa_src_format),
+ mesa_src_format, format, type, unpack)) {
+ goto fallback;
+ }
+
+ /* TexSubImage only sets a single cubemap face. */
+ if (gl_target == GL_TEXTURE_CUBE_MAP) {
+ gl_target = GL_TEXTURE_2D;
+ }
+
+ /* Initialize the source texture description. */
+ memset(&src_templ, 0, sizeof(src_templ));
+ src_templ.target = gl_target_to_pipe(gl_target);
+ src_templ.format = src_format;
+ src_templ.bind = PIPE_BIND_SAMPLER_VIEW;
+ src_templ.usage = PIPE_USAGE_STAGING;
+
+ st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
+ &src_templ.width0, &src_templ.height0,
+ &src_templ.depth0, &src_templ.array_size);
+
+ /* Check for NPOT texture support. */
+ if (!screen->get_param(screen, PIPE_CAP_NPOT_TEXTURES) &&
+ (!util_is_power_of_two(src_templ.width0) ||
+ !util_is_power_of_two(src_templ.height0) ||
+ !util_is_power_of_two(src_templ.depth0))) {
+ goto fallback;
+ }
+
+ /* Create the source texture. */
+ src = screen->resource_create(screen, &src_templ);
+ if (!src) {
+ goto fallback;
+ }
+
+ /* Map source pixels. */
+ pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, depth,
+ format, type, pixels, unpack,
+ "glTexSubImage");
+ if (!pixels) {
+ /* This is a GL error. */
+ pipe_resource_reference(&src, NULL);
+ return;
+ }
+
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
+ }
+
+ map = pipe_transfer_map_3d(pipe, src, 0, PIPE_TRANSFER_WRITE, 0, 0, 0,
+ width, height, depth, &transfer);
+ if (!map) {
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+ pipe_resource_reference(&src, NULL);
+ goto fallback;
+ }
+
+ /* Upload pixels (just memcpy). */
+ {
+ const uint bytesPerRow = width * util_format_get_blocksize(src_format);
+ GLuint row, slice;
+
+ for (slice = 0; slice < depth; slice++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(map, src, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < height; row++) {
+ GLvoid *src = _mesa_image_address3d(unpack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(slice_map, src, bytesPerRow);
+ slice_map += transfer->stride;
+ }
+ }
+ map += transfer->layer_stride;
+ }
+ }
+
+ pipe_transfer_unmap(pipe, transfer);
+ _mesa_unmap_teximage_pbo(ctx, unpack);
+
+ /* Blit. */
+ blit.src.resource = src;
+ blit.src.level = 0;
+ blit.src.format = src_format;
+ blit.dst.resource = dst;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.format = dst_format;
+ blit.src.box.x = blit.src.box.y = blit.src.box.z = 0;
+ blit.dst.box.x = xoffset;
+ blit.dst.box.y = yoffset;
+ blit.dst.box.z = zoffset + texImage->Face;
+ blit.src.box.width = blit.dst.box.width = width;
+ blit.src.box.height = blit.dst.box.height = height;
+ blit.src.box.depth = blit.dst.box.depth = depth;
+ blit.mask = get_blit_mask(format, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
+ blit.scissor_enable = FALSE;
+
+ st->pipe->blit(st->pipe, &blit);
+
+ pipe_resource_reference(&src, NULL);
+ return;
+
+fallback:
+ _mesa_store_texsubimage(ctx, dims, texImage, xoffset, yoffset, zoffset,
+ width, height, depth, format, type, pixels,
+ unpack);
+}
+
static void
st_TexImage(struct gl_context * ctx, GLuint dims,
struct gl_texture_image *texImage,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
+ assert(dims == 1 || dims == 2 || dims == 3);
+
prep_teximage(ctx, texImage, format, type);
- _mesa_store_teximage(ctx, dims, texImage, format, type, pixels, unpack);
+
+ if (texImage->Width == 0 || texImage->Height == 0 || texImage->Depth == 0)
+ return;
+
+ /* allocate storage for texture data */
+ if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ return;
+ }
+
+ st_TexSubImage(ctx, dims, texImage, 0, 0, 0,
+ texImage->Width, texImage->Height, texImage->Depth,
+ format, type, pixels, unpack);
}
@@ -584,9 +843,9 @@ st_GetTexImage(struct gl_context * ctx,
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- const GLuint width = texImage->Width;
- const GLuint height = texImage->Height;
- const GLuint depth = texImage->Depth;
+ GLuint width = texImage->Width;
+ GLuint height = texImage->Height;
+ GLuint depth = texImage->Depth;
struct st_texture_image *stImage = st_texture_image(texImage);
struct pipe_resource *src = st_texture_object(texImage->TexObject)->pt;
struct pipe_resource *dst = NULL;
@@ -718,6 +977,12 @@ st_GetTexImage(struct gl_context * ctx,
goto fallback;
}
+ /* From now on, we need the gallium representation of dimensions. */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ depth = height;
+ height = 1;
+ }
+
blit.src.resource = src;
blit.src.level = texImage->Level;
blit.src.format = src_format;
@@ -731,7 +996,7 @@ st_GetTexImage(struct gl_context * ctx,
blit.src.box.width = blit.dst.box.width = width;
blit.src.box.height = blit.dst.box.height = height;
blit.src.box.depth = blit.dst.box.depth = depth;
- blit.mask = PIPE_MASK_RGBA;
+ blit.mask = get_blit_mask(texImage->_BaseFormat, format);
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
@@ -756,14 +1021,25 @@ st_GetTexImage(struct gl_context * ctx,
GLuint row, slice;
for (slice = 0; slice < depth; slice++) {
- ubyte *slice_map = map;
-
- for (row = 0; row < height; row++) {
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
- width, height, format,
- type, slice, row, 0);
- memcpy(dest, slice_map, bytesPerRow);
- slice_map += tex_xfer->stride;
+ width, depth, format,
+ type, 0, slice, 0);
+ memcpy(dest, map, bytesPerRow);
+ }
+ else {
+ ubyte *slice_map = map;
+
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+ memcpy(dest, slice_map, bytesPerRow);
+ slice_map += tex_xfer->stride;
+ }
}
map += tex_xfer->layer_stride;
}
@@ -780,22 +1056,38 @@ st_GetTexImage(struct gl_context * ctx,
goto end;
}
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
+
for (slice = 0; slice < depth; slice++) {
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ if (gl_target == GL_TEXTURE_1D_ARRAY) {
+ /* 1D array textures.
+ * We need to convert gallium coords to GL coords.
+ */
GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
- width, height, format,
- type, slice, row, 0);
-
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s: fallback format translation\n", __FUNCTION__);
+ width, depth, format,
+ type, 0, slice, 0);
/* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, 0, width, 1,
dst_format, rgba);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
+ type, dest, &ctx->Pack, 0);
+ }
+ else {
+ for (row = 0; row < height; row++) {
+ GLvoid *dest = _mesa_image_address3d(&ctx->Pack, pixels,
+ width, height, format,
+ type, slice, row, 0);
+
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
+ dst_format, rgba);
+
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, 0);
+ }
}
map += tex_xfer->layer_stride;
}
@@ -979,110 +1271,6 @@ fallback_copy_texsubimage(struct gl_context *ctx,
}
-
-/**
- * If the format of the src renderbuffer and the format of the dest
- * texture are compatible (in terms of blitting), return a TGSI writemask
- * to be used during the blit.
- * If the src/dest are incompatible, return 0.
- */
-static unsigned
-compatible_src_dst_formats(struct gl_context *ctx,
- const struct gl_renderbuffer *src,
- const struct gl_texture_image *dst)
-{
- /* Get logical base formats for the src and dest.
- * That is, use the user-requested formats and not the actual, device-
- * chosen formats.
- * For example, the user may have requested an A8 texture but the
- * driver may actually be using an RGBA texture format. When we
- * copy/blit to that texture, we only want to copy the Alpha channel
- * and not the RGB channels.
- *
- * Similarly, when the src FBO was created an RGB format may have been
- * requested but the driver actually chose an RGBA format. In that case,
- * we don't want to copy the undefined Alpha channel to the dest texture
- * (it should be 1.0).
- */
- const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
- const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
-
- /**
- * XXX when we have red-only and red/green renderbuffers we'll need
- * to add more cases here (or implement a general-purpose routine that
- * queries the existance of the R,G,B,A channels in the src and dest).
- */
- if (srcFormat == dstFormat) {
- /* This is the same as matching_base_formats, which should
- * always pass, as it did previously.
- */
- return TGSI_WRITEMASK_XYZW;
- }
- else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
- /* Make sure that A in the dest is 1. The actual src format
- * may be RGBA and have undefined A values.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
- /* Make sure that A in the dest is 1. The actual dst format
- * may be RGBA and will need A=1 to provide proper alpha values
- * when sampled later.
- */
- return TGSI_WRITEMASK_XYZ;
- }
- else {
- if (ST_DEBUG & DEBUG_FALLBACK)
- debug_printf("%s failed for src %s, dst %s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstFormat));
-
- /* Otherwise fail.
- */
- return 0;
- }
-}
-
-
-/**
- * Do pipe->blit. Return FALSE if the blitting is unsupported
- * for the given formats.
- */
-static GLboolean
-st_pipe_blit(struct pipe_context *pipe, struct pipe_blit_info *blit)
-{
- struct pipe_screen *screen = pipe->screen;
- unsigned dst_usage;
-
- if (util_format_is_depth_or_stencil(blit->dst.format)) {
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
- }
- else {
- dst_usage = PIPE_BIND_RENDER_TARGET;
- }
-
- /* try resource_copy_region in case the format is not supported
- * for rendering */
- if (util_try_blit_via_copy_region(pipe, blit)) {
- return GL_TRUE; /* done */
- }
-
- /* check the format support */
- if (!screen->is_format_supported(screen, blit->src.format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW) ||
- !screen->is_format_supported(screen, blit->dst.format,
- PIPE_TEXTURE_2D, 0,
- dst_usage)) {
- return GL_FALSE;
- }
-
- pipe->blit(pipe, blit);
- return GL_TRUE;
-}
-
-
/**
* Do a CopyTex[Sub]Image1/2/3D() using a hardware (blit) path if possible.
* Note that the region to copy has already been clipped so we know we
@@ -1098,36 +1286,57 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
GLint srcX, GLint srcY, GLsizei width, GLsizei height)
{
struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum texBaseFormat = texImage->_BaseFormat;
+ struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
struct st_renderbuffer *strb = st_renderbuffer(rb);
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
- enum pipe_format dest_format, src_format;
- GLuint color_writemask;
- struct pipe_surface *dest_surface = NULL;
+ struct pipe_blit_info blit;
+ enum pipe_format dst_format;
GLboolean do_flip = (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP);
- struct pipe_surface surf_tmpl;
- unsigned dst_usage;
- unsigned blit_mask;
+ unsigned bind;
GLint srcY0, srcY1, yStep;
- /* make sure finalize_textures has been called?
- */
- if (0) st_validate_state(st);
-
if (!strb || !strb->surface || !stImage->pt) {
debug_printf("%s: null strb or stImage\n", __FUNCTION__);
return;
}
- assert(strb);
- assert(strb->surface);
- assert(stImage->pt);
+ if (_mesa_texstore_needs_transfer_ops(ctx, texImage->_BaseFormat,
+ texImage->TexFormat)) {
+ goto fallback;
+ }
+
+ /* The base internal format must match the mesa format, so make sure
+ * e.g. an RGB internal format is really allocated as RGB and not as RGBA.
+ */
+ if (texImage->_BaseFormat !=
+ _mesa_get_format_base_format(texImage->TexFormat) ||
+ rb->_BaseFormat != _mesa_get_format_base_format(rb->Format)) {
+ goto fallback;
+ }
+
+ /* Choose the destination format to match the TexImage behavior. */
+ dst_format = util_format_linear(stImage->pt->format);
+ dst_format = util_format_luminance_to_red(dst_format);
+ dst_format = util_format_intensity_to_red(dst_format);
- src_format = strb->surface->format;
- dest_format = stImage->pt->format;
+ /* See if the destination format is supported. */
+ if (texImage->_BaseFormat == GL_DEPTH_STENCIL ||
+ texImage->_BaseFormat == GL_DEPTH_COMPONENT) {
+ bind = PIPE_BIND_DEPTH_STENCIL;
+ }
+ else {
+ bind = PIPE_BIND_RENDER_TARGET;
+ }
+ if (!dst_format ||
+ !screen->is_format_supported(screen, dst_format, stImage->pt->target,
+ stImage->pt->nr_samples, bind)) {
+ goto fallback;
+ }
+
+ /* Y flipping for the main framebuffer. */
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
@@ -1139,165 +1348,56 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
yStep = 1;
}
- if (ctx->_ImageTransferState) {
- goto fallback;
- }
-
- /* Compressed and subsampled textures aren't supported for blitting. */
- if (!util_format_is_plain(dest_format)) {
- goto fallback;
- }
-
- /* Set the blit writemask. */
- switch (texBaseFormat) {
- case GL_DEPTH_STENCIL:
- switch (strb->Base._BaseFormat) {
- case GL_DEPTH_STENCIL:
- blit_mask = PIPE_MASK_ZS;
- break;
- case GL_DEPTH_COMPONENT:
- blit_mask = PIPE_MASK_Z;
- break;
- case GL_STENCIL_INDEX:
- blit_mask = PIPE_MASK_S;
- break;
- default:
- assert(0);
- return;
- }
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
- break;
-
- case GL_DEPTH_COMPONENT:
- blit_mask = PIPE_MASK_Z;
- dst_usage = PIPE_BIND_DEPTH_STENCIL;
- break;
-
- default:
- /* Colorbuffers.
- *
- * Determine if the src framebuffer and dest texture have the same
- * base format. We need this to detect a case such as the framebuffer
- * being GL_RGBA but the texture being GL_RGB. If the actual hardware
- * texture format stores RGBA we need to set A=1 (overriding the
- * framebuffer's alpha values).
- *
- * XXX util_blit_pixels doesn't support MSAA resolve, so always use
- * pipe->blit
- */
- if (texBaseFormat == strb->Base._BaseFormat ||
- strb->texture->nr_samples > 1) {
- blit_mask = PIPE_MASK_RGBA;
- }
- else {
- blit_mask = 0;
- }
- dst_usage = PIPE_BIND_RENDER_TARGET;
- }
-
/* Blit the texture.
* This supports flipping, format conversions, and downsampling.
*/
- if (blit_mask) {
- /* If stImage->pt is an independent image (not a pointer into a full
- * mipmap) stImage->pt.last_level will be zero and we need to use that
- * as the dest level.
- */
- unsigned dstLevel = MIN2(stImage->base.Level, stImage->pt->last_level);
- struct pipe_blit_info blit;
-
- memset(&blit, 0, sizeof(blit));
- blit.src.resource = strb->texture;
- blit.src.format = src_format;
- blit.src.level = strb->surface->u.tex.level;
- blit.src.box.x = srcX;
- blit.src.box.y = srcY0;
- blit.src.box.z = strb->surface->u.tex.first_layer;
- blit.src.box.width = width;
- blit.src.box.height = srcY1 - srcY0;
- blit.src.box.depth = 1;
- blit.dst.resource = stImage->pt;
- blit.dst.format = dest_format;
- blit.dst.level = dstLevel;
- blit.dst.box.x = destX;
- blit.dst.box.y = destY;
- blit.dst.box.z = stImage->base.Face + destZ;
- blit.dst.box.width = width;
- blit.dst.box.height = height;
- blit.dst.box.depth = 1;
- blit.mask = blit_mask;
- blit.filter = PIPE_TEX_FILTER_NEAREST;
-
- /* 1D array textures need special treatment.
- * Blit rows from the source to layers in the destination. */
- if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
- int y, layer;
-
- for (y = srcY0, layer = 0; layer < height; y += yStep, layer++) {
- blit.src.box.y = y;
- blit.src.box.height = 1;
- blit.dst.box.y = 0;
- blit.dst.box.height = 1;
- blit.dst.box.z = destY + layer;
-
- if (!st_pipe_blit(pipe, &blit)) {
- goto fallback;
- }
- }
- }
- else {
- /* All the other texture targets. */
- if (!st_pipe_blit(pipe, &blit)) {
- goto fallback;
- }
- }
- return;
- }
+ memset(&blit, 0, sizeof(blit));
+ blit.src.resource = strb->texture;
+ blit.src.format = util_format_linear(strb->surface->format);
+ blit.src.level = strb->surface->u.tex.level;
+ blit.src.box.x = srcX;
+ blit.src.box.y = srcY0;
+ blit.src.box.z = strb->surface->u.tex.first_layer;
+ blit.src.box.width = width;
+ blit.src.box.height = srcY1 - srcY0;
+ blit.src.box.depth = 1;
+ blit.dst.resource = stImage->pt;
+ blit.dst.format = dst_format;
+ blit.dst.level = stObj->pt != stImage->pt ? 0 : texImage->Level;
+ blit.dst.box.x = destX;
+ blit.dst.box.y = destY;
+ blit.dst.box.z = stImage->base.Face + destZ;
+ blit.dst.box.width = width;
+ blit.dst.box.height = height;
+ blit.dst.box.depth = 1;
+ blit.mask = get_blit_mask(rb->_BaseFormat, texImage->_BaseFormat);
+ blit.filter = PIPE_TEX_FILTER_NEAREST;
- /* try u_blit */
+ /* 1D array textures need special treatment.
+ * Blit rows from the source to layers in the destination. */
if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
- /* u_blit cannot copy 1D array textures as required by CopyTexSubImage */
- goto fallback;
- }
+ int y, layer;
- color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
+ for (y = srcY0, layer = 0; layer < height; y += yStep, layer++) {
+ blit.src.box.y = y;
+ blit.src.box.height = 1;
+ blit.dst.box.y = 0;
+ blit.dst.box.height = 1;
+ blit.dst.box.z = destY + layer;
- if (!color_writemask ||
- !screen->is_format_supported(screen, src_format,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_SAMPLER_VIEW) ||
- !screen->is_format_supported(screen, dest_format,
- PIPE_TEXTURE_2D, 0,
- dst_usage)) {
- goto fallback;
+ pipe->blit(pipe, &blit);
+ }
+ }
+ else {
+ /* All the other texture targets. */
+ pipe->blit(pipe, &blit);
}
-
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = util_format_linear(stImage->pt->format);
- surf_tmpl.u.tex.level = stImage->base.Level;
- surf_tmpl.u.tex.first_layer = stImage->base.Face + destZ;
- surf_tmpl.u.tex.last_layer = stImage->base.Face + destZ;
-
- dest_surface = pipe->create_surface(pipe, stImage->pt,
- &surf_tmpl);
- util_blit_pixels(st->blit,
- strb->texture,
- strb->surface->u.tex.level,
- srcX, srcY0,
- srcX + width, srcY1,
- strb->surface->u.tex.first_layer,
- dest_surface,
- destX, destY,
- destX + width, destY + height,
- 0.0, PIPE_TEX_MIPFILTER_NEAREST,
- color_writemask, 0);
- pipe_surface_reference(&dest_surface, NULL);
return;
fallback:
/* software fallback */
fallback_copy_texsubimage(ctx,
- strb, stImage, texBaseFormat,
+ strb, stImage, texImage->_BaseFormat,
destX, destY, destZ,
srcX, srcY, width, height);
}
@@ -1635,7 +1735,7 @@ st_init_texture_functions(struct dd_function_table *functions)
functions->ChooseTextureFormat = st_ChooseTextureFormat;
functions->QuerySamplesForFormat = st_QuerySamplesForFormat;
functions->TexImage = st_TexImage;
- functions->TexSubImage = _mesa_store_texsubimage;
+ functions->TexSubImage = st_TexSubImage;
functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
functions->CopyTexSubImage = st_CopyTexSubImage;
functions->GenerateMipmap = st_generate_mipmap;