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-rw-r--r--src/mesa/drivers/dri/i965/brw_context.c134
1 files changed, 54 insertions, 80 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 2db99c74b8e..e70ad982f48 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -322,64 +322,81 @@ static void
brw_initialize_context_constants(struct brw_context *brw)
{
struct gl_context *ctx = &brw->ctx;
+ const struct brw_compiler *compiler = brw->intelScreen->compiler;
+
+ const bool stage_exists[MESA_SHADER_STAGES] = {
+ [MESA_SHADER_VERTEX] = true,
+ [MESA_SHADER_TESS_CTRL] = false,
+ [MESA_SHADER_TESS_EVAL] = false,
+ [MESA_SHADER_GEOMETRY] = brw->gen >= 6,
+ [MESA_SHADER_FRAGMENT] = true,
+ [MESA_SHADER_COMPUTE] = _mesa_extension_override_enables.ARB_compute_shader,
+ };
+
+ unsigned num_stages = 0;
+ for (int i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (stage_exists[i])
+ num_stages++;
+ }
unsigned max_samplers =
brw->gen >= 8 || brw->is_haswell ? BRW_MAX_TEX_UNIT : 16;
+ ctx->Const.MaxDualSourceDrawBuffers = 1;
+ ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
+ ctx->Const.MaxCombinedShaderOutputResources =
+ MAX_IMAGE_UNITS + BRW_MAX_DRAW_BUFFERS;
+
ctx->Const.QueryCounterBits.Timestamp = 36;
+ ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
+ ctx->Const.MaxImageUnits = MAX_IMAGE_UNITS;
+ ctx->Const.MaxRenderbufferSize = 8192;
+ ctx->Const.MaxTextureLevels = MIN2(14 /* 8192 */, MAX_TEXTURE_LEVELS);
+ ctx->Const.Max3DTextureLevels = 12; /* 2048 */
+ ctx->Const.MaxCubeTextureLevels = 14; /* 8192 */
+ ctx->Const.MaxArrayTextureLayers = brw->gen >= 7 ? 2048 : 512;
+ ctx->Const.MaxTextureMbytes = 1536;
+ ctx->Const.MaxTextureRectSize = 1 << 12;
+ ctx->Const.MaxTextureMaxAnisotropy = 16.0;
ctx->Const.StripTextureBorder = true;
+ if (brw->gen >= 7)
+ ctx->Const.MaxProgramTextureGatherComponents = 4;
+ else if (brw->gen == 6)
+ ctx->Const.MaxProgramTextureGatherComponents = 1;
ctx->Const.MaxUniformBlockSize = 65536;
+
for (int i = 0; i < MESA_SHADER_STAGES; i++) {
struct gl_program_constants *prog = &ctx->Const.Program[i];
+
+ if (!stage_exists[i])
+ continue;
+
+ prog->MaxTextureImageUnits = max_samplers;
+
prog->MaxUniformBlocks = BRW_MAX_UBO;
prog->MaxCombinedUniformComponents =
prog->MaxUniformComponents +
ctx->Const.MaxUniformBlockSize / 4 * prog->MaxUniformBlocks;
+
+ prog->MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
+ prog->MaxAtomicBuffers = BRW_MAX_ABO;
+ prog->MaxImageUniforms = compiler->scalar_stage[i] ? BRW_MAX_IMAGES : 0;
+ prog->MaxShaderStorageBlocks = BRW_MAX_SSBO;
}
- ctx->Const.MaxDualSourceDrawBuffers = 1;
- ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS;
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = max_samplers;
- ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
ctx->Const.MaxTextureUnits =
MIN2(ctx->Const.MaxTextureCoordUnits,
ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits);
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = max_samplers;
- if (brw->gen >= 6)
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = max_samplers;
- else
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 0;
- if (_mesa_extension_override_enables.ARB_compute_shader) {
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
- ctx->Const.MaxUniformBufferBindings += BRW_MAX_UBO;
- } else {
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 0;
- }
- ctx->Const.MaxCombinedTextureImageUnits =
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits +
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits +
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits;
-
- ctx->Const.MaxTextureLevels = 14; /* 8192 */
- if (ctx->Const.MaxTextureLevels > MAX_TEXTURE_LEVELS)
- ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
- ctx->Const.Max3DTextureLevels = 12; /* 2048 */
- ctx->Const.MaxCubeTextureLevels = 14; /* 8192 */
- ctx->Const.MaxTextureMbytes = 1536;
-
- if (brw->gen >= 7)
- ctx->Const.MaxArrayTextureLayers = 2048;
- else
- ctx->Const.MaxArrayTextureLayers = 512;
- ctx->Const.MaxTextureRectSize = 1 << 12;
+ ctx->Const.MaxUniformBufferBindings = num_stages * BRW_MAX_UBO;
+ ctx->Const.MaxCombinedAtomicBuffers = num_stages * BRW_MAX_ABO;
+ ctx->Const.MaxCombinedShaderStorageBlocks = num_stages * BRW_MAX_SSBO;
+ ctx->Const.MaxShaderStorageBufferBindings = num_stages * BRW_MAX_SSBO;
+ ctx->Const.MaxCombinedTextureImageUnits = num_stages * max_samplers;
+ ctx->Const.MaxCombinedImageUniforms = num_stages * BRW_MAX_IMAGES;
- ctx->Const.MaxTextureMaxAnisotropy = 16.0;
-
- ctx->Const.MaxRenderbufferSize = 8192;
/* Hardware only supports a limited number of transform feedback buffers.
* So we need to override the Mesa default (which is based only on software
@@ -427,6 +444,7 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.MaxColorTextureSamples = max_samples;
ctx->Const.MaxDepthTextureSamples = max_samples;
ctx->Const.MaxIntegerSamples = max_samples;
+ ctx->Const.MaxImageSamples = 0;
/* gen6_set_sample_maps() sets SampleMap{2,4,8}x variables which are used
* to map indices of rectangular grid to sample numbers within a pixel.
@@ -436,11 +454,6 @@ brw_initialize_context_constants(struct brw_context *brw)
*/
gen6_set_sample_maps(ctx);
- if (brw->gen >= 7)
- ctx->Const.MaxProgramTextureGatherComponents = 4;
- else if (brw->gen == 6)
- ctx->Const.MaxProgramTextureGatherComponents = 1;
-
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
if (brw->gen >= 6) {
@@ -511,30 +524,6 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.Program[MESA_SHADER_VERTEX].HighInt = ctx->Const.Program[MESA_SHADER_VERTEX].LowInt;
ctx->Const.Program[MESA_SHADER_VERTEX].MediumInt = ctx->Const.Program[MESA_SHADER_VERTEX].LowInt;
- if (brw->gen >= 7) {
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxAtomicBuffers = BRW_MAX_ABO;
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxAtomicBuffers = BRW_MAX_ABO;
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxAtomicBuffers = BRW_MAX_ABO;
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicBuffers = BRW_MAX_ABO;
- ctx->Const.MaxCombinedAtomicBuffers = 3 * BRW_MAX_ABO;
-
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxImageUniforms =
- BRW_MAX_IMAGES;
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxImageUniforms =
- (brw->intelScreen->compiler->scalar_stage[MESA_SHADER_VERTEX] ? BRW_MAX_IMAGES : 0);
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxImageUniforms =
- BRW_MAX_IMAGES;
- ctx->Const.MaxImageUnits = MAX_IMAGE_UNITS;
- ctx->Const.MaxCombinedShaderOutputResources =
- MAX_IMAGE_UNITS + BRW_MAX_DRAW_BUFFERS;
- ctx->Const.MaxImageSamples = 0;
- ctx->Const.MaxCombinedImageUniforms = 3 * BRW_MAX_IMAGES;
- }
-
/* Gen6 converts quads to polygon in beginning of 3D pipeline,
* but we're not sure how it's actually done for vertex order,
* that affect provoking vertex decision. Always use last vertex
@@ -586,21 +575,6 @@ brw_initialize_context_constants(struct brw_context *brw)
ctx->Const.TextureBufferOffsetAlignment = 16;
ctx->Const.MaxTextureBufferSize = 128 * 1024 * 1024;
- /* FIXME: Tessellation stages are not yet supported in i965, so
- * MaxCombinedShaderStorageBlocks doesn't take them into account.
- */
- ctx->Const.Program[MESA_SHADER_VERTEX].MaxShaderStorageBlocks = BRW_MAX_SSBO;
- ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxShaderStorageBlocks = BRW_MAX_SSBO;
- ctx->Const.Program[MESA_SHADER_TESS_EVAL].MaxShaderStorageBlocks = 0;
- ctx->Const.Program[MESA_SHADER_TESS_CTRL].MaxShaderStorageBlocks = 0;
- ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxShaderStorageBlocks = BRW_MAX_SSBO;
- ctx->Const.Program[MESA_SHADER_COMPUTE].MaxShaderStorageBlocks = BRW_MAX_SSBO;
- ctx->Const.MaxCombinedShaderStorageBlocks = BRW_MAX_SSBO * 3;
- ctx->Const.MaxShaderStorageBufferBindings = BRW_MAX_SSBO * 3;
-
- if (_mesa_extension_override_enables.ARB_compute_shader)
- ctx->Const.MaxShaderStorageBufferBindings += BRW_MAX_SSBO;
-
if (brw->gen >= 6) {
ctx->Const.MaxVarying = 32;
ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 128;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 16:28:54 +0000