* Brian Paul
*/
+#include "main/errors.h"
#include "main/imports.h"
#include "main/image.h"
#include "main/bufferobj.h"
#include "main/pack.h"
#include "main/pbo.h"
#include "main/readpix.h"
+#include "main/state.h"
#include "main/texformat.h"
#include "main/teximage.h"
#include "main/texstore.h"
make_passthrough_vertex_shader(struct st_context *st,
GLboolean passColor)
{
- const unsigned texcoord_semantic = st->needs_texcoord_semantic ?
+ const enum tgsi_semantic texcoord_semantic = st->needs_texcoord_semantic ?
TGSI_SEMANTIC_TEXCOORD : TGSI_SEMANTIC_GENERIC;
if (!st->drawpix.vert_shaders[passColor]) {
}
+/**
+ * Search the cache for an image which matches the given parameters.
+ * \return pipe_resource pointer if found, NULL if not found.
+ */
+static struct pipe_resource *
+search_drawpixels_cache(struct st_context *st,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const void *pixels)
+{
+ struct pipe_resource *pt = NULL;
+ const GLint bpp = _mesa_bytes_per_pixel(format, type);
+ unsigned i;
+
+ if ((unpack->RowLength != 0 && unpack->RowLength != width) ||
+ unpack->SkipPixels != 0 ||
+ unpack->SkipRows != 0 ||
+ unpack->SwapBytes ||
+ _mesa_is_bufferobj(unpack->BufferObj)) {
+ /* we don't allow non-default pixel unpacking values */
+ return NULL;
+ }
+
+ /* Search cache entries for a match */
+ for (i = 0; i < ARRAY_SIZE(st->drawpix_cache.entries); i++) {
+ struct drawpix_cache_entry *entry = &st->drawpix_cache.entries[i];
+
+ if (width == entry->width &&
+ height == entry->height &&
+ format == entry->format &&
+ type == entry->type &&
+ pixels == entry->user_pointer &&
+ entry->image) {
+ assert(entry->texture);
+
+ /* check if the pixel data is the same */
+ if (memcmp(pixels, entry->image, width * height * bpp) == 0) {
+ /* Success - found a cache match */
+ pipe_resource_reference(&pt, entry->texture);
+ /* refcount of returned texture should be at least two here. One
+ * reference for the cache to hold on to, one for the caller (which
+ * it will release), and possibly more held by the driver.
+ */
+ assert(pt->reference.count >= 2);
+
+ /* update the age of this entry */
+ entry->age = ++st->drawpix_cache.age;
+
+ return pt;
+ }
+ }
+ }
+
+ /* no cache match found */
+ return NULL;
+}
+
+
+/**
+ * Find the oldest entry in the glDrawPixels cache. We'll replace this
+ * one when we need to store a new image.
+ */
+static struct drawpix_cache_entry *
+find_oldest_drawpixels_cache_entry(struct st_context *st)
+{
+ unsigned oldest_age = ~0u, oldest_index = ~0u;
+ unsigned i;
+
+ /* Find entry with oldest (lowest) age */
+ for (i = 0; i < ARRAY_SIZE(st->drawpix_cache.entries); i++) {
+ const struct drawpix_cache_entry *entry = &st->drawpix_cache.entries[i];
+ if (entry->age < oldest_age) {
+ oldest_age = entry->age;
+ oldest_index = i;
+ }
+ }
+
+ assert(oldest_index != ~0u);
+
+ return &st->drawpix_cache.entries[oldest_index];
+}
+
+
+/**
+ * Try to save the given glDrawPixels image in the cache.
+ */
+static void
+cache_drawpixels_image(struct st_context *st,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const struct gl_pixelstore_attrib *unpack,
+ const void *pixels,
+ struct pipe_resource *pt)
+{
+ if ((unpack->RowLength == 0 || unpack->RowLength == width) &&
+ unpack->SkipPixels == 0 &&
+ unpack->SkipRows == 0) {
+ const GLint bpp = _mesa_bytes_per_pixel(format, type);
+ struct drawpix_cache_entry *entry =
+ find_oldest_drawpixels_cache_entry(st);
+ assert(entry);
+ entry->width = width;
+ entry->height = height;
+ entry->format = format;
+ entry->type = type;
+ entry->user_pointer = pixels;
+ free(entry->image);
+ entry->image = malloc(width * height * bpp);
+ if (entry->image) {
+ memcpy(entry->image, pixels, width * height * bpp);
+ pipe_resource_reference(&entry->texture, pt);
+ entry->age = ++st->drawpix_cache.age;
+ }
+ else {
+ /* out of memory, free/disable cached texture */
+ entry->width = 0;
+ entry->height = 0;
+ pipe_resource_reference(&entry->texture, NULL);
+ }
+ }
+}
+
+
/**
* Make texture containing an image for glDrawPixels image.
* If 'pixels' is NULL, leave the texture image data undefined.
GLenum baseInternalFormat;
#if USE_DRAWPIXELS_CACHE
- const GLint bpp = _mesa_bytes_per_pixel(format, type);
-
- /* Check if the glDrawPixels() parameters and state matches the cache */
- if (width == st->drawpix_cache.width &&
- height == st->drawpix_cache.height &&
- format == st->drawpix_cache.format &&
- type == st->drawpix_cache.type &&
- pixels == st->drawpix_cache.user_pointer &&
- !_mesa_is_bufferobj(unpack->BufferObj) &&
- (unpack->RowLength == 0 || unpack->RowLength == width) &&
- unpack->SkipPixels == 0 &&
- unpack->SkipRows == 0 &&
- unpack->SwapBytes == GL_FALSE &&
- st->drawpix_cache.image) {
- assert(st->drawpix_cache.texture);
-
- /* check if the pixel data is the same */
- if (memcmp(pixels, st->drawpix_cache.image, width * height * bpp) == 0) {
- /* OK, re-use the cached texture */
- pipe_resource_reference(&pt, st->drawpix_cache.texture);
- /* refcount of returned texture should be at least two here. One
- * reference for the cache to hold on to, one for the caller (which
- * it will release), and possibly more held by the driver.
- */
- assert(pt->reference.count >= 2);
- return pt;
- }
+ pt = search_drawpixels_cache(st, width, height, format, type,
+ unpack, pixels);
+ if (pt) {
+ return pt;
}
-
- /* discard the cached image and texture (if there is one) */
- st->drawpix_cache.width = 0;
- st->drawpix_cache.height = 0;
- st->drawpix_cache.user_pointer = NULL;
- if (st->drawpix_cache.image) {
- free(st->drawpix_cache.image);
- st->drawpix_cache.image = NULL;
- }
- pipe_resource_reference(&st->drawpix_cache.texture, NULL);
#endif
/* Choose a pixel format for the temp texture which will hold the
GLenum intFormat = internal_format(ctx, format, type);
pipeFormat = st_choose_format(st, intFormat, format, type,
- st->internal_target, 0,
+ st->internal_target, 0, 0,
PIPE_BIND_SAMPLER_VIEW, FALSE);
assert(pipeFormat != PIPE_FORMAT_NONE);
}
{
struct pipe_transfer *transfer;
- GLboolean success;
GLubyte *dest;
const GLbitfield imageTransferStateSave = ctx->_ImageTransferState;
format, type, /* src format/type */
pixels, /* data source */
unpack);
- success = GL_TRUE;
}
else {
+ bool MAYBE_UNUSED success;
success = _mesa_texstore(ctx, 2, /* dims */
baseInternalFormat, /* baseInternalFormat */
mformat, /* mesa_format */
format, type, /* src format/type */
pixels, /* data source */
unpack);
+
+ assert(success);
}
/* unmap */
pipe_transfer_unmap(pipe, transfer);
- assert(success);
-
/* restore */
ctx->_ImageTransferState = imageTransferStateSave;
}
_mesa_unmap_pbo_source(ctx, unpack);
#if USE_DRAWPIXELS_CACHE
- /* Save the glDrawPixels parameter and image in the cache */
- if ((unpack->RowLength == 0 || unpack->RowLength == width) &&
- unpack->SkipPixels == 0 &&
- unpack->SkipRows == 0) {
- st->drawpix_cache.width = width;
- st->drawpix_cache.height = height;
- st->drawpix_cache.format = format;
- st->drawpix_cache.type = type;
- st->drawpix_cache.user_pointer = pixels;
- assert(!st->drawpix_cache.image);
- st->drawpix_cache.image = malloc(width * height * bpp);
- if (st->drawpix_cache.image) {
- memcpy(st->drawpix_cache.image, pixels, width * height * bpp);
- pipe_resource_reference(&st->drawpix_cache.texture, pt);
- }
- else {
- /* out of memory, free/disable cached texture */
- st->drawpix_cache.width = 0;
- st->drawpix_cache.height = 0;
- pipe_resource_reference(&st->drawpix_cache.texture, NULL);
- }
- }
+ cache_drawpixels_image(st, width, height, format, type, unpack, pixels, pt);
#endif
return pt;
const unsigned fb_width = _mesa_geometric_width(ctx->DrawBuffer);
const unsigned fb_height = _mesa_geometric_height(ctx->DrawBuffer);
GLfloat x0, y0, x1, y1;
- GLsizei maxSize;
+ GLsizei MAYBE_UNUSED maxSize;
boolean normalized = sv[0]->texture->target == PIPE_TEXTURE_2D;
unsigned cso_state_mask;
const struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
uint num = MAX3(fpv->drawpix_sampler + 1,
fpv->pixelmap_sampler + 1,
- st->state.num_samplers[PIPE_SHADER_FRAGMENT]);
+ st->state.num_frag_samplers);
uint i;
- for (i = 0; i < st->state.num_samplers[PIPE_SHADER_FRAGMENT]; i++)
- samplers[i] = &st->state.samplers[PIPE_SHADER_FRAGMENT][i];
+ for (i = 0; i < st->state.num_frag_samplers; i++)
+ samplers[i] = &st->state.frag_samplers[i];
samplers[fpv->drawpix_sampler] = &sampler;
if (sv[1])
fpv->pixelmap_sampler + 1,
st->state.num_sampler_views[PIPE_SHADER_FRAGMENT]);
- memcpy(sampler_views, st->state.sampler_views[PIPE_SHADER_FRAGMENT],
+ memcpy(sampler_views, st->state.frag_sampler_views,
sizeof(sampler_views));
sampler_views[fpv->drawpix_sampler] = sv[0];
/* Mesa state should be up to date by now */
assert(ctx->NewState == 0x0);
+ _mesa_update_draw_buffer_bounds(ctx, ctx->DrawBuffer);
+
st_flush_bitmap_cache(st);
st_invalidate_readpix_cache(st);
- st_validate_state(st, ST_PIPELINE_RENDER);
+ st_validate_state(st, ST_PIPELINE_META);
/* Limit the size of the glDrawPixels to the max texture size.
* Strictly speaking, that's not correct but since we don't handle
!ctx->FragmentProgram.Enabled &&
!ctx->VertexProgram.Enabled &&
!ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT] &&
- !ctx->ATIFragmentShader._Enabled &&
+ !_mesa_ati_fragment_shader_enabled(ctx) &&
ctx->DrawBuffer->_NumColorDrawBuffers == 1 &&
!ctx->Query.CondRenderQuery &&
!ctx->Query.CurrentOcclusionObject) {
if (screen->is_format_supported(screen, blit.src.format,
blit.src.resource->target,
blit.src.resource->nr_samples,
+ blit.src.resource->nr_storage_samples,
PIPE_BIND_SAMPLER_VIEW) &&
screen->is_format_supported(screen, blit.dst.format,
blit.dst.resource->target,
blit.dst.resource->nr_samples,
+ blit.dst.resource->nr_storage_samples,
PIPE_BIND_RENDER_TARGET)) {
pipe->blit(pipe, &blit);
return GL_TRUE;
GLint readX, readY, readW, readH;
struct gl_pixelstore_attrib pack = ctx->DefaultPacking;
+ _mesa_update_draw_buffer_bounds(ctx, ctx->DrawBuffer);
+
st_flush_bitmap_cache(st);
st_invalidate_readpix_cache(st);
- st_validate_state(st, ST_PIPELINE_RENDER);
+ st_validate_state(st, ST_PIPELINE_META);
if (type == GL_DEPTH_STENCIL) {
/* XXX make this more efficient */
(type == GL_COLOR ? PIPE_BIND_RENDER_TARGET : PIPE_BIND_DEPTH_STENCIL);
if (!screen->is_format_supported(screen, srcFormat, st->internal_target, 0,
- srcBind)) {
+ 0, srcBind)) {
/* srcFormat is non-renderable. Find a compatible renderable format. */
if (type == GL_DEPTH) {
srcFormat = st_choose_format(st, GL_DEPTH_COMPONENT, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
else {
if (util_format_is_float(srcFormat)) {
srcFormat = st_choose_format(st, GL_RGBA32F, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
else if (util_format_is_pure_sint(srcFormat)) {
srcFormat = st_choose_format(st, GL_RGBA32I, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
else if (util_format_is_pure_uint(srcFormat)) {
srcFormat = st_choose_format(st, GL_RGBA32UI, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
else if (util_format_is_snorm(srcFormat)) {
srcFormat = st_choose_format(st, GL_RGBA16_SNORM, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
else {
srcFormat = st_choose_format(st, GL_RGBA, GL_NONE,
- GL_NONE, st->internal_target, 0,
+ GL_NONE, st->internal_target, 0, 0,
srcBind, FALSE);
}
}
cso_delete_vertex_shader(st->cso_context, st->drawpix.vert_shaders[0]);
if (st->drawpix.vert_shaders[1])
cso_delete_vertex_shader(st->cso_context, st->drawpix.vert_shaders[1]);
+
+ /* Free cache data */
+ for (i = 0; i < ARRAY_SIZE(st->drawpix_cache.entries); i++) {
+ struct drawpix_cache_entry *entry = &st->drawpix_cache.entries[i];
+ free(entry->image);
+ pipe_resource_reference(&entry->texture, NULL);
+ }
}
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