[Mesa-dev] [PATCH 15/20] ir_to_mesa: Add _mesa_associate_uniform_storage

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

Connects all of the gl_program_parameter structures with the correct
gl_uniform_storage structures.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/mesa/program/ir_to_mesa.cpp |   71 +++++++++++++++++++++++++++++++++++++++
 src/mesa/program/ir_to_mesa.h   |    5 +++
 2 files changed, 76 insertions(+), 0 deletions(-)

diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 3935917..5bac511 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2696,6 +2696,77 @@ _mesa_generate_parameters_list_for_uniforms(struct gl_shader_program
    }
 }
 
+void
+_mesa_associate_uniform_storage(struct gl_context *ctx,
+				struct gl_shader_program *shader_program,
+				struct gl_program_parameter_list *params)
+{
+   /* After adding each uniform to the parameter list, connect the storage for
+    * the parameter with the tracking structure used by the API for the
+    * uniform.
+    */
+   unsigned last_location = unsigned(~0);
+   for (unsigned i = 0; i < params->NumParameters; i++) {
+      if (params->Parameters[i].Type != PROGRAM_UNIFORM)
+	 continue;
+
+      unsigned location;
+      const bool found =
+	 shader_program->UniformHash->get(location, params->Parameters[i].Name);
+      assert(found);
+
+      if (!found)
+	 continue;
+
+      if (location != last_location) {
+	 struct gl_uniform_storage *storage =
+	    &shader_program->UniformStorage[location];
+	 enum gl_uniform_driver_format format = uniform_native;
+
+	 unsigned columns = 0;
+	 switch (storage->type->base_type) {
+	 case GLSL_TYPE_UINT:
+	    assert(ctx->Const.NativeIntegers);
+	    format = uniform_native;
+	    columns = 1;
+	    break;
+	 case GLSL_TYPE_INT:
+	    format =
+	       (ctx->Const.NativeIntegers) ? uniform_native : uniform_int_float;
+	    columns = 1;
+	    break;
+	 case GLSL_TYPE_FLOAT:
+	    format = uniform_native;
+	    columns = storage->type->matrix_columns;
+	    break;
+	 case GLSL_TYPE_BOOL:
+	    if (ctx->Const.NativeIntegers) {
+	       format = (ctx->Const.UniformBooleanTrue == 1)
+		  ? uniform_bool_int_0_1 : uniform_bool_int_0_not0;
+	    } else {
+	       format = uniform_bool_float;
+	    }
+	    columns = 1;
+	    break;
+	 case GLSL_TYPE_SAMPLER:
+	    format = uniform_native;
+	    columns = 1;
+	    break;
+	 default:
+	    assert(!"Should not get here.");
+	    break;
+	 }
+
+	 _mesa_uniform_attach_driver_storage(storage,
+					     4 * sizeof(float) * columns,
+					     4 * sizeof(float),
+					     format,
+					     &params->ParameterValues[i]);
+	 last_location = location;
+      }
+   }
+}
+
 static void
 set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
 			struct gl_shader_program *shader_program,
diff --git a/src/mesa/program/ir_to_mesa.h b/src/mesa/program/ir_to_mesa.h
index d046b0f..2891682 100644
--- a/src/mesa/program/ir_to_mesa.h
+++ b/src/mesa/program/ir_to_mesa.h
@@ -45,4 +45,9 @@ _mesa_generate_parameters_list_for_uniforms(struct gl_shader_program
 					    struct gl_shader *sh,
 					    struct gl_program_parameter_list
 					    *params);
+void
+_mesa_associate_uniform_storage(struct gl_context *ctx,
+				struct gl_shader_program *shader_program,
+				struct gl_program_parameter_list *params);
+
 #endif
-- 
1.7.6.4