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path: root/mesalib/src/mesa/state_tracker/st_cb_texture.c
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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_texture.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c256
1 files changed, 181 insertions, 75 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index bf13526d2..02fc675ae 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -201,7 +201,7 @@ st_MapTextureImage(struct gl_context *ctx,
if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
- map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h);
+ map = st_texture_image_map(st, stImage, pipeMode, x, y, slice, w, h, 1);
if (map) {
*mapOut = map;
*rowStrideOut = stImage->transfer->stride;
@@ -572,37 +572,68 @@ decompress_with_blit(struct gl_context * ctx,
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
- struct st_texture_image *stImage = st_texture_image(texImage);
- struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
+ struct pipe_screen *screen = pipe->screen;
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
- struct pipe_resource *dst_texture;
+ const GLuint depth = texImage->Depth;
+ struct pipe_resource *src = st_texture_object(texImage->TexObject)->pt;
+ struct pipe_resource *dst;
+ struct pipe_resource dst_templ;
+ enum pipe_format pipe_format;
+ gl_format mesa_format;
+ GLenum gl_target = texImage->TexObject->Target;
+ enum pipe_texture_target pipe_target;
struct pipe_blit_info blit;
unsigned bind = (PIPE_BIND_RENDER_TARGET | PIPE_BIND_TRANSFER_READ);
struct pipe_transfer *tex_xfer;
ubyte *map;
- /* create temp / dest surface */
- if (!util_create_rgba_texture(pipe, width, height, bind,
- &dst_texture)) {
- _mesa_problem(ctx, "util_create_rgba_texture() failed "
- "in decompress_with_blit()");
+ /* GetTexImage only returns a single face for cubemaps. */
+ if (gl_target == GL_TEXTURE_CUBE_MAP) {
+ gl_target = GL_TEXTURE_2D;
+ }
+
+ pipe_target = gl_target_to_pipe(gl_target);
+
+ /* Find the best match for the format+type combo. */
+ pipe_format = st_choose_format(pipe->screen, GL_RGBA8, format, type,
+ pipe_target, 0, bind);
+ if (pipe_format == PIPE_FORMAT_NONE) {
+ /* unable to get an rgba format!?! */
+ _mesa_problem(ctx, "%s: cannot find a supported format", __func__);
return;
}
- blit.src.resource = stObj->pt;
+ /* create the destination texture */
+ memset(&dst_templ, 0, sizeof(dst_templ));
+ dst_templ.target = pipe_target;
+ dst_templ.format = pipe_format;
+ dst_templ.bind = bind;
+ dst_templ.usage = PIPE_USAGE_STAGING;
+
+ st_gl_texture_dims_to_pipe_dims(gl_target, width, height, depth,
+ &dst_templ.width0, &dst_templ.height0,
+ &dst_templ.depth0, &dst_templ.array_size);
+
+ dst = screen->resource_create(screen, &dst_templ);
+ if (!dst) {
+ _mesa_problem(ctx, "%s: cannot create a temporary texture", __func__);
+ return;
+ }
+
+ blit.src.resource = src;
blit.src.level = texImage->Level;
- blit.src.format = util_format_linear(stObj->pt->format);
- blit.dst.resource = dst_texture;
+ blit.src.format = util_format_linear(src->format);
+ blit.dst.resource = dst;
blit.dst.level = 0;
- blit.dst.format = dst_texture->format;
+ blit.dst.format = dst->format;
blit.src.box.x = blit.dst.box.x = 0;
blit.src.box.y = blit.dst.box.y = 0;
- blit.src.box.z = 0; /* XXX compressed array textures? */
+ blit.src.box.z = texImage->Face;
blit.dst.box.z = 0;
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 = 1;
+ blit.src.box.depth = blit.dst.box.depth = depth;
blit.mask = PIPE_MASK_RGBA;
blit.filter = PIPE_TEX_FILTER_NEAREST;
blit.scissor_enable = FALSE;
@@ -612,33 +643,38 @@ decompress_with_blit(struct gl_context * ctx,
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
- map = pipe_transfer_map(pipe, dst_texture, 0, 0,
- PIPE_TRANSFER_READ,
- 0, 0, width, height, &tex_xfer);
+ map = pipe_transfer_map_3d(pipe, dst, 0, PIPE_TRANSFER_READ,
+ 0, 0, 0, width, height, depth, &tex_xfer);
if (!map) {
goto end;
}
+ mesa_format = st_pipe_format_to_mesa_format(pipe_format);
+
/* copy/pack data into user buffer */
- if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
- format, type,
+ if (_mesa_format_matches_format_and_type(mesa_format, format, type,
ctx->Pack.SwapBytes)) {
/* memcpy */
- const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
- /* map the dst_surface so we can read from it */
- GLuint row;
- for (row = 0; row < height; row++) {
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
- memcpy(dest, map, bytesPerRow);
- map += tex_xfer->stride;
+ const uint bytesPerRow = width * util_format_get_blocksize(pipe_format);
+ GLuint row, slice;
+
+ for (slice = 0; slice < depth; slice++) {
+ 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;
}
- pipe_transfer_unmap(pipe, tex_xfer);
}
else {
/* format translation via floats */
- GLuint row;
- enum pipe_format pformat = util_format_linear(dst_texture->format);
+ GLuint row, slice;
+ enum pipe_format pformat = util_format_linear(dst->format);
GLfloat *rgba;
rgba = malloc(width * 4 * sizeof(GLfloat));
@@ -647,20 +683,24 @@ decompress_with_blit(struct gl_context * ctx,
goto end;
}
- for (row = 0; row < height; row++) {
- const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
- GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
- height, format, type, row, 0);
+ for (slice = 0; slice < depth; slice++) {
+ for (row = 0; row < height; row++) {
+ const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
+ 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__);
+ if (ST_DEBUG & DEBUG_FALLBACK)
+ debug_printf("%s: fallback format translation\n", __FUNCTION__);
- /* get float[4] rgba row from surface */
- pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
- pformat, rgba);
+ /* get float[4] rgba row from surface */
+ pipe_get_tile_rgba_format(tex_xfer, map, 0, row, width, 1,
+ pformat, rgba);
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
- type, dest, &ctx->Pack, transferOps);
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
+ type, dest, &ctx->Pack, transferOps);
+ }
+ map += tex_xfer->layer_stride;
}
free(rgba);
@@ -671,7 +711,7 @@ end:
pipe_transfer_unmap(pipe, tex_xfer);
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
- pipe_resource_reference(&dst_texture, NULL);
+ pipe_resource_reference(&dst, NULL);
}
@@ -722,6 +762,9 @@ fallback_copy_texsubimage(struct gl_context *ctx,
GLvoid *texDest;
enum pipe_transfer_usage transfer_usage;
void *map;
+ unsigned dst_width = width;
+ unsigned dst_height = height;
+ unsigned dst_depth = 1;
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
@@ -730,6 +773,14 @@ fallback_copy_texsubimage(struct gl_context *ctx,
srcY = strb->Base.Height - srcY - height;
}
+ if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ /* Move y/height to z/depth for 1D array textures. */
+ destZ = destY;
+ destY = 0;
+ dst_depth = dst_height;
+ dst_height = 1;
+ }
+
map = pipe_transfer_map(pipe,
strb->texture,
strb->rtt_level,
@@ -745,9 +796,9 @@ fallback_copy_texsubimage(struct gl_context *ctx,
else
transfer_usage = PIPE_TRANSFER_WRITE;
- /* XXX this used to ignore destZ param */
- texDest = st_texture_image_map(st, stImage, destZ, transfer_usage,
- destX, destY, width, height);
+ texDest = st_texture_image_map(st, stImage, transfer_usage,
+ destX, destY, destZ,
+ dst_width, dst_height, dst_depth);
if (baseFormat == GL_DEPTH_COMPONENT ||
baseFormat == GL_DEPTH_STENCIL) {
@@ -775,8 +826,16 @@ fallback_copy_texsubimage(struct gl_context *ctx,
if (scaleOrBias) {
_mesa_scale_and_bias_depth_uint(ctx, width, data);
}
- pipe_put_tile_z(stImage->transfer, texDest, 0, row, width, 1,
- data);
+
+ if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ pipe_put_tile_z(stImage->transfer,
+ texDest + row*stImage->transfer->layer_stride,
+ 0, 0, width, 1, data);
+ }
+ else {
+ pipe_put_tile_z(stImage->transfer, texDest, 0, row, width, 1,
+ data);
+ }
}
}
else {
@@ -792,7 +851,7 @@ fallback_copy_texsubimage(struct gl_context *ctx,
if (tempSrc && texDest) {
const GLint dims = 2;
- const GLint dstRowStride = stImage->transfer->stride;
+ GLint dstRowStride;
struct gl_texture_image *texImage = &stImage->base;
struct gl_pixelstore_attrib unpack = ctx->DefaultPacking;
@@ -800,6 +859,13 @@ fallback_copy_texsubimage(struct gl_context *ctx,
unpack.Invert = GL_TRUE;
}
+ if (stImage->pt->target == PIPE_TEXTURE_1D_ARRAY) {
+ dstRowStride = stImage->transfer->layer_stride;
+ }
+ else {
+ dstRowStride = stImage->transfer->stride;
+ }
+
/* get float/RGBA image from framebuffer */
/* XXX this usually involves a lot of int/float conversion.
* try to avoid that someday.
@@ -901,6 +967,43 @@ compatible_src_dst_formats(struct gl_context *ctx,
}
+/**
+ * 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.
@@ -929,7 +1032,7 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
struct pipe_surface surf_tmpl;
unsigned dst_usage;
unsigned blit_mask;
- GLint srcY0, srcY1;
+ GLint srcY0, srcY1, yStep;
/* make sure finalize_textures has been called?
*/
@@ -950,10 +1053,12 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
if (do_flip) {
srcY1 = strb->Base.Height - srcY - height;
srcY0 = srcY1 + height;
+ yStep = -1;
}
else {
srcY0 = srcY;
srcY1 = srcY0 + height;
+ yStep = 1;
}
if (ctx->_ImageTransferState) {
@@ -965,16 +1070,6 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
goto fallback;
}
- if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
- /* 1D arrays might be thought of as 2D images but the actual layout
- * might not be that way. At some points, we convert OpenGL's 1D
- * array 'height' into gallium 'layers' and that prevents the blit
- * utility code from doing the right thing. Simpy use the memcpy-based
- * fallback.
- */
- goto fallback;
- }
-
/* Set the blit writemask. */
switch (texBaseFormat) {
case GL_DEPTH_STENCIL:
@@ -1055,27 +1150,38 @@ st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
blit.mask = blit_mask;
blit.filter = PIPE_TEX_FILTER_NEAREST;
- /* try resource_copy_region in case the format is not supported
- * for rendering */
- if (util_try_blit_via_copy_region(pipe, &blit)) {
- return; /* done */
- }
+ /* 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;
- /* check the format support */
- if (!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;
- }
+ 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;
- pipe->blit(pipe, &blit);
+ if (!st_pipe_blit(pipe, &blit)) {
+ goto fallback;
+ }
+ }
+ }
+ else {
+ /* All the other texture targets. */
+ if (!st_pipe_blit(pipe, &blit)) {
+ goto fallback;
+ }
+ }
return;
}
/* try u_blit */
+ if (texImage->TexObject->Target == GL_TEXTURE_1D_ARRAY) {
+ /* u_blit cannot copy 1D array textures as required by CopyTexSubImage */
+ goto fallback;
+ }
+
color_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
if (!color_writemask ||