[Mesa-dev] [PATCH v3 (part2) 24/56] glsl: shader storage blocks use different max block size values than uniforms

[Iago Toral Quiroga]

From: Samuel Iglesias Gonsalvez <siglesias at igalia.com>

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
---
 src/glsl/linker.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index e932b8d..330ef56 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -2439,13 +2439,23 @@ check_resources(struct gl_context *ctx, struct gl_shader_program *prog)
    unsigned total_shader_storage_blocks = 0;
 
    for (unsigned i = 0; i < prog->NumUniformBlocks; i++) {
-      if (prog->UniformBlocks[i].UniformBufferSize > ctx->Const.MaxUniformBlockSize) {
+      /* Don't check SSBOs for Uniform Block Size */
+      if (!prog->UniformBlocks[i].IsShaderStorage &&
+          prog->UniformBlocks[i].UniformBufferSize > ctx->Const.MaxUniformBlockSize) {
          linker_error(prog, "Uniform block %s too big (%d/%d)\n",
                       prog->UniformBlocks[i].Name,
                       prog->UniformBlocks[i].UniformBufferSize,
                       ctx->Const.MaxUniformBlockSize);
       }
 
+      if (prog->UniformBlocks[i].IsShaderStorage &&
+          prog->UniformBlocks[i].UniformBufferSize > ctx->Const.MaxShaderStorageBlockSize) {
+         linker_error(prog, "Shader storage block %s too big (%d/%d)\n",
+                      prog->UniformBlocks[i].Name,
+                      prog->UniformBlocks[i].UniformBufferSize,
+                      ctx->Const.MaxShaderStorageBlockSize);
+      }
+
       for (unsigned j = 0; j < MESA_SHADER_STAGES; j++) {
 	 if (prog->UniformBlockStageIndex[j][i] != -1) {
             struct gl_shader *sh = prog->_LinkedShaders[j];
-- 
1.9.1