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mesa: Add queries for GL_SHADER_STORAGE_BUFFER

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These handle querying the buffer name attached to a giving binding point
as well as the start offset and size of that buffer.

Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Iago Toral Quiroga 2015-04-28 10:08:17 +02:00 • committed by Samuel Iglesias Gonsalvez
parent 4b7b1cf3c0
commit 2e16dd1350
1 changed files with 31 additions and 0 deletions
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31
src/mesa/main/get.c
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@ -1001,6 +1001,10 @@ 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) {
@ -1939,6 +1943,33 @@ 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 (!ctx->Extensions.ARB_shader_storage_buffer_object)
goto invalid_enum;
if (index >= ctx->Const.MaxShaderStorageBufferBindings)
goto invalid_value;
v->value_int = ctx->ShaderStorageBufferBindings[index].BufferObject->Name;
return TYPE_INT;
case GL_SHADER_STORAGE_BUFFER_START:
if (!ctx->Extensions.ARB_shader_storage_buffer_object)
goto invalid_enum;
if (index >= ctx->Const.MaxShaderStorageBufferBindings)
goto invalid_value;
v->value_int = ctx->ShaderStorageBufferBindings[index].Offset < 0 ? 0 :
ctx->ShaderStorageBufferBindings[index].Offset;
return TYPE_INT;
case GL_SHADER_STORAGE_BUFFER_SIZE:
if (!ctx->Extensions.ARB_shader_storage_buffer_object)
goto invalid_enum;
if (index >= ctx->Const.MaxShaderStorageBufferBindings)
goto invalid_value;
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)