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mesa: add api to write subroutine indicies to the program storage. 

This writes the subroutine indicies to the program storage for
a stage. This API is intended to be used by drivers to update
the uniform storage before uploading to the hw.

This isn't the most thread safe effort, but it will be significantly
more multi-context safe.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Andres Gomez <agomez@igalia.com>
This commit is contained in:
Dave Airlie 2016-06-07 15:25:56 +10:00
parent 4566aaaa5b
commit ea783667e4
2 changed files with 13 additions and 0 deletions
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10
src/mesa/main/shaderapi.c
View File

@ -2838,6 +2838,16 @@ _mesa_shader_write_subroutine_index(struct gl_context *ctx,
} while(i < sh->NumSubroutineUniformRemapTable);
}
void
_mesa_shader_write_subroutine_indices(struct gl_context *ctx,
gl_shader_stage stage)
{
if (ctx->_Shader->CurrentProgram[stage] &&
ctx->_Shader->CurrentProgram[stage]->_LinkedShaders[stage])
_mesa_shader_write_subroutine_index(ctx,
ctx->_Shader->CurrentProgram[stage]->_LinkedShaders[stage]);
}
static void
_mesa_shader_init_subroutine_defaults(struct gl_context *ctx,
struct gl_linked_shader *sh)

3
src/mesa/main/shaderapi.h
View File

@ -69,6 +69,9 @@ _mesa_count_active_attribs(struct gl_shader_program *shProg);
extern size_t
_mesa_longest_attribute_name_length(struct gl_shader_program *shProg);
extern void
_mesa_shader_write_subroutine_indices(struct gl_context *ctx,
gl_shader_stage stage);
extern void GLAPIENTRY
_mesa_AttachObjectARB(GLhandleARB, GLhandleARB);