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mesa/sso: Implement _mesa_ActiveShaderProgram

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This was originally included in another patch, but it was split out by
Ian Romanick.

v2 (idr): Return early from _mesa_ActiveShaderProgram if
_mesa_lookup_shader_program_err returns an error.  Suggested by Jordan.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> [v2]
This commit is contained in:
Gregory Hainaut 2013-06-28 14:19:12 -07:00 • committed by Ian Romanick
parent e9ff3b9918
commit c171834b49
1 changed files with 28 additions and 0 deletions
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28
src/mesa/main/pipelineobj.c
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@ -223,6 +223,34 @@ _mesa_UseProgramStages(GLuint pipeline, GLbitfield stages, GLuint program)
void GLAPIENTRY
_mesa_ActiveShaderProgram(GLuint pipeline, GLuint program)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *shProg = NULL;
struct gl_pipeline_object *pipe = lookup_pipeline_object(ctx, pipeline);
if (program != 0) {
shProg = _mesa_lookup_shader_program_err(ctx, program,
"glActiveShaderProgram(program)");
if (shProg == NULL)
return;
}
if (!pipe) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glActiveShaderProgram(pipeline)");
return;
}
/* Object is created by any Pipeline call but glGenProgramPipelines,
* glIsProgramPipeline and GetProgramPipelineInfoLog
*/
pipe->EverBound = GL_TRUE;
if ((shProg != NULL) && !shProg->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glActiveShaderProgram(program %u not linked)", shProg->Name);
return;
}
_mesa_reference_shader_program(ctx, &pipe->ActiveProgram, shProg);
}
/**