* 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"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_math.h"
+#include "util/u_simple_shaders.h"
#include "util/u_tile.h"
#include "cso_cache/cso_context.h"
/**
* Create a simple vertex shader that just passes through the
- * vertex position and texcoord (and optionally, color).
+ * vertex position, texcoord, and color.
*/
-static void *
-make_passthrough_vertex_shader(struct st_context *st,
- GLboolean passColor)
+void
+st_make_passthrough_vertex_shader(struct st_context *st)
{
- const unsigned texcoord_semantic = st->needs_texcoord_semantic ?
- TGSI_SEMANTIC_TEXCOORD : TGSI_SEMANTIC_GENERIC;
-
- if (!st->drawpix.vert_shaders[passColor]) {
- struct ureg_program *ureg = ureg_create( PIPE_SHADER_VERTEX );
-
- if (ureg == NULL)
- return NULL;
-
- /* MOV result.pos, vertex.pos; */
- ureg_MOV(ureg,
- ureg_DECL_output( ureg, TGSI_SEMANTIC_POSITION, 0 ),
- ureg_DECL_vs_input( ureg, 0 ));
-
- if (passColor) {
- /* MOV result.color0, vertex.attr[1]; */
- ureg_MOV(ureg,
- ureg_DECL_output( ureg, TGSI_SEMANTIC_COLOR, 0 ),
- ureg_DECL_vs_input( ureg, 1 ));
- }
-
- /* MOV result.texcoord0, vertex.attr[2]; */
- ureg_MOV(ureg,
- ureg_DECL_output( ureg, texcoord_semantic, 0 ),
- ureg_DECL_vs_input( ureg, 2 ));
+ if (st->passthrough_vs)
+ return;
- ureg_END( ureg );
-
- st->drawpix.vert_shaders[passColor] =
- ureg_create_shader_and_destroy( ureg, st->pipe );
- }
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_COLOR,
+ st->needs_texcoord_semantic ? TGSI_SEMANTIC_TEXCOORD :
+ TGSI_SEMANTIC_GENERIC };
+ const uint semantic_indexes[] = { 0, 0, 0 };
- return st->drawpix.vert_shaders[passColor];
+ st->passthrough_vs =
+ util_make_vertex_passthrough_shader(st->pipe, 3, semantic_names,
+ semantic_indexes, false);
}
}
+/**
+ * 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;
- }
- }
-
- /* 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;
+ pt = search_drawpixels_cache(st, width, height, format, type,
+ unpack, pixels);
+ if (pt) {
+ return pt;
}
- 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;
dest = pipe_transfer_map(pipe, pt, 0, 0,
PIPE_TRANSFER_WRITE, 0, 0,
width, height, &transfer);
-
+ if (!dest) {
+ pipe_resource_reference(&pt, NULL);
+ _mesa_unmap_pbo_source(ctx, unpack);
+ return NULL;
+ }
/* Put image into texture transfer.
* Note that the image is actually going to be upside down in
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;
ctx->Color._ClampFragmentColor;
rasterizer.half_pixel_center = 1;
rasterizer.bottom_edge_rule = 1;
- rasterizer.depth_clip = !ctx->Transform.DepthClamp;
+ rasterizer.depth_clip_near = !ctx->Transform.DepthClampNear;
+ rasterizer.depth_clip_far = !ctx->Transform.DepthClampFar;
rasterizer.scissor = ctx->Scissor.EnableFlags;
cso_set_rasterizer(cso, &rasterizer);
}
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];
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack, const void *pixels)
{
- void *driver_vp, *driver_fp;
+ void *driver_fp;
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
GLboolean write_stencil = GL_FALSE, write_depth = GL_FALSE;
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
return;
}
+ /* Put glDrawPixels image into a texture */
+ pt = make_texture(st, width, height, format, type, unpack, pixels);
+ if (!pt) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
+ return;
+ }
+
+ st_make_passthrough_vertex_shader(st);
+
/*
* Get vertex/fragment shaders
*/
if (write_depth || write_stencil) {
driver_fp = get_drawpix_z_stencil_program(st, write_depth,
write_stencil);
- driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
else {
fpv = get_color_fp_variant(st);
driver_fp = fpv->driver_shader;
- driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
if (ctx->Pixel.MapColorFlag) {
pipe_sampler_view_reference(&sv[1],
st_upload_constants(st, &st->fp->Base);
}
- /* Put glDrawPixels image into a texture */
- pt = make_texture(st, width, height, format, type, unpack, pixels);
- if (!pt) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glDrawPixels");
- return;
- }
-
/* create sampler view for the image */
sv[0] = st_create_texture_sampler_view(st->pipe, pt);
if (!sv[0]) {
ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
sv,
num_sampler_view,
- driver_vp,
+ st->passthrough_vs,
driver_fp, fpv,
ctx->Current.RasterColor,
GL_FALSE, write_depth, write_stencil);
!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;
struct pipe_context *pipe = st->pipe;
struct pipe_screen *screen = pipe->screen;
struct st_renderbuffer *rbRead;
- void *driver_vp, *driver_fp;
+ void *driver_fp;
struct pipe_resource *pt;
struct pipe_sampler_view *sv[2] = { NULL };
struct st_fp_variant *fpv = NULL;
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 */
* are handled.
*/
+ st_make_passthrough_vertex_shader(st);
/*
* Get vertex/fragment shaders
rbRead = st_get_color_read_renderbuffer(ctx);
driver_fp = fpv->driver_shader;
- driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
if (ctx->Pixel.MapColorFlag) {
pipe_sampler_view_reference(&sv[1],
Attachment[BUFFER_DEPTH].Renderbuffer);
driver_fp = get_drawpix_z_stencil_program(st, GL_TRUE, GL_FALSE);
- driver_vp = make_passthrough_vertex_shader(st, GL_TRUE);
}
/* Choose the format for the temporary texture. */
(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);
}
}
width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY,
sv,
num_sampler_view,
- driver_vp,
+ st->passthrough_vs,
driver_fp, fpv,
ctx->Current.Attrib[VERT_ATTRIB_COLOR0],
invertTex, GL_FALSE, GL_FALSE);
st->drawpix.zs_shaders[i]);
}
- if (st->drawpix.vert_shaders[0])
- 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]);
+ if (st->passthrough_vs)
+ cso_delete_vertex_shader(st->cso_context, st->passthrough_vs);
+
+ /* 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);
+ }
}