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glsl/mesa: split gl_shader in two

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There are two distinctly different uses of this struct. The first
is to store GL shader objects. The second is to store information
about a shader stage thats been linked.

The two uses actually share few fields and there is clearly confusion
about their use. For example the linked shaders map one to one with
a program so can simply be destroyed along with the program. However
previously we were calling reference counting on the linked shaders.

We were also creating linked shaders with a name even though it
is always 0 and called the driver version of the _mesa_new_shader()
function unnecessarily for GL shader objects.

Acked-by: Iago Toral Quiroga <itoral@igalia.com>
This commit is contained in:
Timothy Arceri
2016-06-30 14:55:40 +10:00
parent 378f07ccb5
commit 1fb8c6df88
58 changed files with 386 additions and 215 deletions
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7
src/compiler/glsl/standalone_scaffolding.h
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@@ -44,9 +44,16 @@ _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
extern "C" struct gl_shader *
_mesa_new_shader(struct gl_context *ctx, GLuint name, gl_shader_stage stage);
extern "C" struct gl_linked_shader *
_mesa_new_linked_shader(gl_shader_stage stage);
extern "C" void
_mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh);
extern "C" void
_mesa_delete_linked_shader(struct gl_context *ctx,
struct gl_linked_shader *sh);
extern "C" void
_mesa_clear_shader_program_data(struct gl_shader_program *);