These handle querying the buffer name attached to a giving binding point
as well as the start offset and size of that buffer.
---
src/mesa/main/get.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 3d6d639..1a29b27 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -994,6 +994,10 @@ find_custom_value(struct gl_context *ctx, const struct
value_desc *d, union valu
case GL_UNIFORM_BUFFER_BINDING:
v->value_int = ctx->UniformBuffer->Name;
break;
+ /* GL_ARB_shader_storage_buffer_object */
+ case GL_SHADER_STORAGE_BUFFER_BINDING:
+ v->value_int = ctx->ShaderStorageBuffer->Name;
+ break;
/* GL_ARB_timer_query */
case GL_TIMESTAMP:
if (ctx->Driver.GetTimestamp) {
@@ -1869,6 +1873,33 @@ find_value_indexed(const char *func, GLenum pname,
GLuint index, union value *v)
v->value_int = ctx->UniformBufferBindings[index].Size;
return TYPE_INT;
+ /* ARB_shader_storage_buffer_object */
+ case GL_SHADER_STORAGE_BUFFER_BINDING:
+ if (index >= ctx->Const.MaxShaderStorageBufferBindings)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object)
+ goto invalid_enum;
+ v->value_int =
ctx->ShaderStorageBufferBindings[index].BufferObject->Name;
+ return TYPE_INT;
+
+ case GL_SHADER_STORAGE_BUFFER_START:
+ if (index >= ctx->Const.MaxShaderStorageBufferBindings)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object)
+ goto invalid_enum;
+ v->value_int = ctx->ShaderStorageBufferBindings[index].Offset < 0 ? 0 :
+ ctx->ShaderStorageBufferBindings[index].Offset;
+ return TYPE_INT;
+
+ case GL_SHADER_STORAGE_BUFFER_SIZE:
+ if (index >= ctx->Const.MaxShaderStorageBufferBindings)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_shader_storage_buffer_object)
+ goto invalid_enum;
+ v->value_int = ctx->ShaderStorageBufferBindings[index].Size < 0 ? 0 :
+ ctx->ShaderStorageBufferBindings[index].Size;
+ return TYPE_INT;
+
/* ARB_texture_multisample / GL3.2 */
case GL_SAMPLE_MASK_VALUE:
if (index != 0)
--
1.9.1
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