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Diffstat (limited to 'mesalib/src/mesa/drivers/common/meta_blit.c')
-rw-r--r--mesalib/src/mesa/drivers/common/meta_blit.c329
1 files changed, 117 insertions, 212 deletions
diff --git a/mesalib/src/mesa/drivers/common/meta_blit.c b/mesalib/src/mesa/drivers/common/meta_blit.c
index 31e494fb8..5d72dd2ec 100644
--- a/mesalib/src/mesa/drivers/common/meta_blit.c
+++ b/mesalib/src/mesa/drivers/common/meta_blit.c
@@ -33,11 +33,13 @@
#include "main/enable.h"
#include "main/enums.h"
#include "main/fbobject.h"
+#include "main/image.h"
#include "main/macros.h"
#include "main/matrix.h"
#include "main/multisample.h"
#include "main/objectlabel.h"
#include "main/readpix.h"
+#include "main/scissor.h"
#include "main/shaderapi.h"
#include "main/texobj.h"
#include "main/texenv.h"
@@ -52,37 +54,6 @@
/** Return offset in bytes of the field within a vertex struct */
#define OFFSET(FIELD) ((void *) offsetof(struct vertex, FIELD))
-/**
- * One-time init for drawing depth pixels.
- */
-static void
-init_blit_depth_pixels(struct gl_context *ctx)
-{
- static const char *program =
- "!!ARBfp1.0\n"
- "TEX result.depth, fragment.texcoord[0], texture[0], %s; \n"
- "END \n";
- char program2[200];
- struct blit_state *blit = &ctx->Meta->Blit;
- struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
- const char *texTarget;
-
- assert(blit->DepthFP == 0);
-
- /* replace %s with "RECT" or "2D" */
- assert(strlen(program) + 4 < sizeof(program2));
- if (tex->Target == GL_TEXTURE_RECTANGLE)
- texTarget = "RECT";
- else
- texTarget = "2D";
- _mesa_snprintf(program2, sizeof(program2), program, texTarget);
-
- _mesa_GenProgramsARB(1, &blit->DepthFP);
- _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
- _mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
- strlen(program2), (const GLubyte *) program2);
-}
-
static void
setup_glsl_msaa_blit_shader(struct gl_context *ctx,
struct blit_state *blit,
@@ -97,7 +68,9 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
bool dst_is_msaa = false;
GLenum src_datatype;
const char *vec4_prefix;
+ const char *sampler_array_suffix = "";
char *name;
+ const char *texcoord_type = "vec2";
if (src_rb) {
src_datatype = _mesa_get_format_datatype(src_rb->Format);
@@ -125,6 +98,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
switch (target) {
case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
if (src_rb->_BaseFormat == GL_DEPTH_COMPONENT ||
src_rb->_BaseFormat == GL_DEPTH_STENCIL) {
if (dst_is_msaa)
@@ -137,6 +111,13 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
else
shader_index = BLIT_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE;
}
+
+ if (target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
+ shader_index += (BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_RESOLVE -
+ BLIT_MSAA_SHADER_2D_MULTISAMPLE_RESOLVE);
+ sampler_array_suffix = "Array";
+ texcoord_type = "vec3";
+ }
break;
default:
_mesa_problem(ctx, "Unkown texture target %s\n",
@@ -167,6 +148,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
mem_ctx = ralloc_context(NULL);
if (shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_RESOLVE ||
+ shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_RESOLVE ||
+ shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_ARRAY_DEPTH_COPY ||
shader_index == BLIT_MSAA_SHADER_2D_MULTISAMPLE_DEPTH_COPY) {
char *sample_index;
const char *arb_sample_shading_extension_string;
@@ -197,26 +180,31 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
vs_source = ralloc_asprintf(mem_ctx,
"#version 130\n"
"in vec2 position;\n"
- "in vec2 textureCoords;\n"
- "out vec2 texCoords;\n"
+ "in %s textureCoords;\n"
+ "out %s texCoords;\n"
"void main()\n"
"{\n"
" texCoords = textureCoords;\n"
" gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n");
+ "}\n",
+ texcoord_type,
+ texcoord_type);
fs_source = ralloc_asprintf(mem_ctx,
"#version 130\n"
"#extension GL_ARB_texture_multisample : enable\n"
"%s\n"
- "uniform sampler2DMS texSampler;\n"
- "in vec2 texCoords;\n"
+ "uniform sampler2DMS%s texSampler;\n"
+ "in %s texCoords;\n"
"out vec4 out_color;\n"
"\n"
"void main()\n"
"{\n"
- " gl_FragDepth = texelFetch(texSampler, ivec2(texCoords), %s).r;\n"
+ " gl_FragDepth = texelFetch(texSampler, i%s(texCoords), %s).r;\n"
"}\n",
arb_sample_shading_extension_string,
+ sampler_array_suffix,
+ texcoord_type,
+ texcoord_type,
sample_index);
} else {
/* You can create 2D_MULTISAMPLE textures with 0 sample count (meaning 1
@@ -234,7 +222,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
if (dst_is_msaa) {
arb_sample_shading_extension_string = "#extension GL_ARB_sample_shading : enable";
- sample_resolve = ralloc_asprintf(mem_ctx, " out_color = texelFetch(texSampler, ivec2(texCoords), gl_SampleID);");
+ sample_resolve = ralloc_asprintf(mem_ctx, " out_color = texelFetch(texSampler, i%s(texCoords), gl_SampleID);", texcoord_type);
merge_function = "";
} else {
int i;
@@ -263,8 +251,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
sample_resolve = rzalloc_size(mem_ctx, 1);
for (i = 0; i < samples; i++) {
ralloc_asprintf_append(&sample_resolve,
- " gvec4 sample_1_%d = texelFetch(texSampler, ivec2(texCoords), %d);\n",
- i, i);
+ " gvec4 sample_1_%d = texelFetch(texSampler, i%s(texCoords), %d);\n",
+ i, texcoord_type, i);
}
/* Now, merge each pair of samples, then merge each pair of those,
* etc.
@@ -294,20 +282,22 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
vs_source = ralloc_asprintf(mem_ctx,
"#version 130\n"
"in vec2 position;\n"
- "in vec2 textureCoords;\n"
- "out vec2 texCoords;\n"
+ "in %s textureCoords;\n"
+ "out %s texCoords;\n"
"void main()\n"
"{\n"
" texCoords = textureCoords;\n"
" gl_Position = vec4(position, 0.0, 1.0);\n"
- "}\n");
+ "}\n",
+ texcoord_type,
+ texcoord_type);
fs_source = ralloc_asprintf(mem_ctx,
"#version 130\n"
"#extension GL_ARB_texture_multisample : enable\n"
"%s\n"
"#define gvec4 %svec4\n"
- "uniform %ssampler2DMS texSampler;\n"
- "in vec2 texCoords;\n"
+ "uniform %ssampler2DMS%s texSampler;\n"
+ "in %s texCoords;\n"
"out gvec4 out_color;\n"
"\n"
"%s" /* merge_function */
@@ -318,6 +308,8 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx,
arb_sample_shading_extension_string,
vec4_prefix,
vec4_prefix,
+ sampler_array_suffix,
+ texcoord_type,
merge_function,
sample_resolve);
}
@@ -350,7 +342,8 @@ setup_glsl_blit_framebuffer(struct gl_context *ctx,
_mesa_meta_setup_vertex_objects(&blit->VAO, &blit->VBO, true, 2, 2, 0);
- if (target == GL_TEXTURE_2D_MULTISAMPLE) {
+ if (target == GL_TEXTURE_2D_MULTISAMPLE ||
+ target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY) {
setup_glsl_msaa_blit_shader(ctx, blit, src_rb, target);
} else {
_mesa_meta_setup_blit_shader(ctx, target, &blit->shaders);
@@ -389,6 +382,7 @@ blitframebuffer_texture(struct gl_context *ctx,
ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler->Name : 0;
GLuint tempTex = 0;
struct gl_renderbuffer *rb = readAtt->Renderbuffer;
+ struct temp_texture *meta_temp_texture;
if (rb->NumSamples && !ctx->Extensions.ARB_texture_multisample)
return false;
@@ -398,23 +392,18 @@ blitframebuffer_texture(struct gl_context *ctx,
filter = GL_LINEAR;
}
- if (readAtt->Texture) {
+ if (readAtt->Texture &&
+ (readAtt->Texture->Target == GL_TEXTURE_2D ||
+ readAtt->Texture->Target == GL_TEXTURE_RECTANGLE ||
+ readAtt->Texture->Target == GL_TEXTURE_2D_MULTISAMPLE ||
+ readAtt->Texture->Target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)) {
/* If there's a texture attached of a type we can handle, then just use
* it directly.
*/
srcLevel = readAtt->TextureLevel;
texObj = readAtt->Texture;
target = texObj->Target;
-
- switch (target) {
- case GL_TEXTURE_2D:
- case GL_TEXTURE_RECTANGLE:
- case GL_TEXTURE_2D_MULTISAMPLE:
- break;
- default:
- return false;
- }
- } else if (ctx->Driver.BindRenderbufferTexImage) {
+ } else if (!readAtt->Texture && ctx->Driver.BindRenderbufferTexImage) {
/* Otherwise, we need the driver to be able to bind a renderbuffer as
* a texture image.
*/
@@ -449,7 +438,42 @@ blitframebuffer_texture(struct gl_context *ctx,
}
}
} else {
- return false;
+ GLenum tex_base_format;
+ int srcW = abs(srcY1 - srcY0);
+ int srcH = abs(srcY1 - srcY0);
+ /* Fall back to doing a CopyTexSubImage to get the destination
+ * renderbuffer into a texture.
+ */
+ if (ctx->Meta->Blit.no_ctsi_fallback)
+ return false;
+
+ if (rb->NumSamples > 1)
+ return false;
+
+ if (do_depth) {
+ meta_temp_texture = _mesa_meta_get_temp_depth_texture(ctx);
+ tex_base_format = GL_DEPTH_COMPONENT;
+ } else {
+ meta_temp_texture = _mesa_meta_get_temp_texture(ctx);
+ tex_base_format =
+ _mesa_base_tex_format(ctx, rb->InternalFormat);
+ }
+
+ srcLevel = 0;
+ target = meta_temp_texture->Target;
+ texObj = _mesa_lookup_texture(ctx, meta_temp_texture->TexObj);
+
+ _mesa_meta_setup_copypix_texture(ctx, meta_temp_texture,
+ srcX0, srcY0,
+ srcW, srcH,
+ tex_base_format,
+ filter);
+
+
+ srcX0 = 0;
+ srcY0 = 0;
+ srcX1 = srcW;
+ srcY1 = srcH;
}
baseLevelSave = texObj->BaseLevel;
@@ -533,7 +557,8 @@ blitframebuffer_texture(struct gl_context *ctx,
}
else {
assert(target == GL_TEXTURE_RECTANGLE_ARB ||
- target == GL_TEXTURE_2D_MULTISAMPLE);
+ target == GL_TEXTURE_2D_MULTISAMPLE ||
+ target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
s0 = (float) srcX0;
s1 = (float) srcX1;
t0 = (float) srcY0;
@@ -600,47 +625,53 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
{
- struct blit_state *blit = &ctx->Meta->Blit;
- struct temp_texture *tex = _mesa_meta_get_temp_texture(ctx);
- struct temp_texture *depthTex = _mesa_meta_get_temp_depth_texture(ctx);
- const GLsizei maxTexSize = tex->MaxSize;
- const GLint srcX = MIN2(srcX0, srcX1);
- const GLint srcY = MIN2(srcY0, srcY1);
- const GLint srcW = abs(srcX1 - srcX0);
- const GLint srcH = abs(srcY1 - srcY0);
- const GLint dstX = MIN2(dstX0, dstX1);
- const GLint dstY = MIN2(dstY0, dstY1);
const GLint dstW = abs(dstX1 - dstX0);
const GLint dstH = abs(dstY1 - dstY0);
- const GLint srcFlipX = (srcX1 - srcX0) / srcW;
- const GLint srcFlipY = (srcY1 - srcY0) / srcH;
const GLint dstFlipX = (dstX1 - dstX0) / dstW;
const GLint dstFlipY = (dstY1 - dstY0) / dstH;
- const GLint flipX = srcFlipX * dstFlipX;
- const GLint flipY = srcFlipY * dstFlipY;
- struct vertex verts[4];
- GLboolean newTex;
+ struct {
+ GLint srcX0, srcY0, srcX1, srcY1;
+ GLint dstX0, dstY0, dstX1, dstY1;
+ } clip = {
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1
+ };
+
const GLboolean use_glsl_version = ctx->Extensions.ARB_vertex_shader &&
ctx->Extensions.ARB_fragment_shader;
- /* In addition to falling back if the blit size is larger than the maximum
- * texture size, fallback if the source is multisampled. This fallback can
- * be removed once Mesa gets support ARB_texture_multisample.
- */
- if (srcW > maxTexSize || srcH > maxTexSize) {
- /* XXX avoid this fallback */
- goto fallback;
- }
-
/* Multisample texture blit support requires texture multisample. */
if (ctx->ReadBuffer->Visual.samples > 0 &&
!ctx->Extensions.ARB_texture_multisample) {
goto fallback;
}
- /* only scissor effects blit so save/clear all other relevant state */
- _mesa_meta_begin(ctx, ~MESA_META_SCISSOR);
+ /* Clip a copy of the blit coordinates. If these differ from the input
+ * coordinates, then we'll set the scissor.
+ */
+ if (!_mesa_clip_blit(ctx, &clip.srcX0, &clip.srcY0, &clip.srcX1, &clip.srcY1,
+ &clip.dstX0, &clip.dstY0, &clip.dstX1, &clip.dstY1)) {
+ /* clipped/scissored everything away */
+ return;
+ }
+
+ /* Only scissor affects blit, but we're doing to set a custom scissor if
+ * necessary anyway, so save/clear state.
+ */
+ _mesa_meta_begin(ctx, MESA_META_ALL);
+
+ /* If the clipping earlier changed the destination rect at all, then
+ * enable the scissor to clip to it.
+ */
+ if (clip.dstX0 != dstX0 || clip.dstY0 != dstY0 ||
+ clip.dstX1 != dstX1 || clip.dstY1 != dstY1) {
+ _mesa_set_enable(ctx, GL_SCISSOR_TEST, GL_TRUE);
+ _mesa_Scissor(MIN2(clip.dstX0, clip.dstX1),
+ MIN2(clip.dstY0, clip.dstY1),
+ abs(clip.dstX0 - clip.dstX1),
+ abs(clip.dstY0 - clip.dstY1));
+ }
/* Try faster, direct texture approach first */
if (mask & GL_COLOR_BUFFER_BIT) {
@@ -669,132 +700,10 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx,
}
}
- /* Choose between glsl version and fixed function version of
- * BlitFramebuffer function.
- */
- if (use_glsl_version) {
- setup_glsl_blit_framebuffer(ctx, blit, NULL, tex->Target);
- }
- else {
- _mesa_meta_setup_ff_tnl_for_blit(&blit->VAO, &blit->VBO, 2);
- }
-
- /* Silence valgrind warnings about reading uninitialized stack. */
- memset(verts, 0, sizeof(verts));
-
- /* Continue with "normal" approach which involves copying the src rect
- * into a temporary texture and is "blitted" by drawing a textured quad.
- */
- {
- /* setup vertex positions */
- verts[0].x = -1.0F * flipX;
- verts[0].y = -1.0F * flipY;
- verts[1].x = 1.0F * flipX;
- verts[1].y = -1.0F * flipY;
- verts[2].x = 1.0F * flipX;
- verts[2].y = 1.0F * flipY;
- verts[3].x = -1.0F * flipX;
- verts[3].y = 1.0F * flipY;
-
- }
-
- if (!use_glsl_version)
- _mesa_set_enable(ctx, tex->Target, GL_TRUE);
-
- if (mask & GL_COLOR_BUFFER_BIT) {
- const struct gl_framebuffer *readFb = ctx->ReadBuffer;
- const struct gl_renderbuffer *colorReadRb = readFb->_ColorReadBuffer;
- const GLenum rb_base_format =
- _mesa_base_tex_format(ctx, colorReadRb->InternalFormat);
-
- /* Using the exact source rectangle to create the texture does incorrect
- * linear filtering along the edges. So, allocate the texture extended along
- * edges by one pixel in x, y directions.
- */
- _mesa_meta_setup_copypix_texture(ctx, tex,
- srcX - 1, srcY - 1, srcW + 2, srcH + 2,
- rb_base_format, filter);
- /* texcoords (after texture allocation!) */
- {
- verts[0].tex[0] = 1.0F;
- verts[0].tex[1] = 1.0F;
- verts[1].tex[0] = tex->Sright - 1.0F;
- verts[1].tex[1] = 1.0F;
- verts[2].tex[0] = tex->Sright - 1.0F;
- verts[2].tex[1] = tex->Ttop - 1.0F;
- verts[3].tex[0] = 1.0F;
- verts[3].tex[1] = tex->Ttop - 1.0F;
-
- /* upload new vertex data */
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- }
-
- _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
- _mesa_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
- _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_FALSE);
- _mesa_DepthMask(GL_FALSE);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- mask &= ~GL_COLOR_BUFFER_BIT;
- }
-
- if ((mask & GL_DEPTH_BUFFER_BIT) &&
- _mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ARB_depth_texture &&
- ctx->Extensions.ARB_fragment_program) {
-
- GLuint *tmp = malloc(srcW * srcH * sizeof(GLuint));
-
- if (tmp) {
-
- newTex = _mesa_meta_alloc_texture(depthTex, srcW, srcH,
- GL_DEPTH_COMPONENT);
- _mesa_ReadPixels(srcX, srcY, srcW, srcH, GL_DEPTH_COMPONENT,
- GL_UNSIGNED_INT, tmp);
- _mesa_meta_setup_drawpix_texture(ctx, depthTex, newTex,
- srcW, srcH, GL_DEPTH_COMPONENT,
- GL_UNSIGNED_INT, tmp);
-
- /* texcoords (after texture allocation!) */
- {
- verts[0].tex[0] = 0.0F;
- verts[0].tex[1] = 0.0F;
- verts[1].tex[0] = depthTex->Sright;
- verts[1].tex[1] = 0.0F;
- verts[2].tex[0] = depthTex->Sright;
- verts[2].tex[1] = depthTex->Ttop;
- verts[3].tex[0] = 0.0F;
- verts[3].tex[1] = depthTex->Ttop;
-
- /* upload new vertex data */
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- }
-
- if (!blit->DepthFP)
- init_blit_depth_pixels(ctx);
-
- _mesa_BindProgramARB(GL_FRAGMENT_PROGRAM_ARB, blit->DepthFP);
- _mesa_set_enable(ctx, GL_FRAGMENT_PROGRAM_ARB, GL_TRUE);
- _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
- _mesa_set_enable(ctx, GL_DEPTH_TEST, GL_TRUE);
- _mesa_DepthFunc(GL_ALWAYS);
- _mesa_DepthMask(GL_TRUE);
-
- _mesa_set_viewport(ctx, 0, dstX, dstY, dstW, dstH);
- _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts);
- _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
- mask &= ~GL_DEPTH_BUFFER_BIT;
-
- free(tmp);
- }
- }
-
if (mask & GL_STENCIL_BUFFER_BIT) {
/* XXX can't easily do stencil */
}
- if (!use_glsl_version)
- _mesa_set_enable(ctx, tex->Target, GL_FALSE);
-
_mesa_meta_end(ctx);
fallback:
@@ -813,10 +722,6 @@ _mesa_meta_glsl_blit_cleanup(struct blit_state *blit)
_mesa_DeleteBuffers(1, &blit->VBO);
blit->VBO = 0;
}
- if (blit->DepthFP) {
- _mesa_DeleteProgramsARB(1, &blit->DepthFP);
- blit->DepthFP = 0;
- }
_mesa_meta_blit_shader_table_cleanup(&blit->shaders);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 14:11:06 +0000