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mesa: add misc tessellation shader support 

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Fabian Bieler 2014-03-10 11:58:37 +01:00 committed by Marek Olšák
parent 78d3054980
commit a894ed8293
2 changed files with 88 additions and 1 deletions
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27
src/mesa/program/program.c
View File

@ -365,6 +365,16 @@ _mesa_new_program(struct gl_context *ctx, GLenum target, GLuint id)
CALLOC_STRUCT(gl_geometry_program),
target, id);
break;
case GL_TESS_CONTROL_PROGRAM_NV:
prog = _mesa_init_tess_ctrl_program(ctx,
CALLOC_STRUCT(gl_tess_ctrl_program),
target, id);
break;
case GL_TESS_EVALUATION_PROGRAM_NV:
prog = _mesa_init_tess_eval_program(ctx,
CALLOC_STRUCT(gl_tess_eval_program),
target, id);
break;
case GL_COMPUTE_PROGRAM_NV:
prog = _mesa_init_compute_program(ctx,
CALLOC_STRUCT(gl_compute_program),
@ -586,6 +596,23 @@ _mesa_clone_program(struct gl_context *ctx, const struct gl_program *prog)
gpc->UsesStreams = gp->UsesStreams;
}
break;
case GL_TESS_CONTROL_PROGRAM_NV:
{
const struct gl_tess_ctrl_program *tcp = gl_tess_ctrl_program_const(prog);
struct gl_tess_ctrl_program *tcpc = gl_tess_ctrl_program(clone);
tcpc->VerticesOut = tcp->VerticesOut;
}
break;
case GL_TESS_EVALUATION_PROGRAM_NV:
{
const struct gl_tess_eval_program *tep = gl_tess_eval_program_const(prog);
struct gl_tess_eval_program *tepc = gl_tess_eval_program(clone);
tepc->PrimitiveMode = tep->PrimitiveMode;
tepc->Spacing = tep->Spacing;
tepc->VertexOrder = tep->VertexOrder;
tepc->PointMode = tep->PointMode;
}
break;
default:
_mesa_problem(NULL, "Unexpected target in _mesa_clone_program");
}

62
src/mesa/program/program.h
View File

@ -157,6 +157,25 @@ _mesa_reference_compprog(struct gl_context *ctx,
(struct gl_program *) prog);
}
static inline void
_mesa_reference_tesscprog(struct gl_context *ctx,
struct gl_tess_ctrl_program **ptr,
struct gl_tess_ctrl_program *prog)
{
_mesa_reference_program(ctx, (struct gl_program **) ptr,
(struct gl_program *) prog);
}
static inline void
_mesa_reference_tesseprog(struct gl_context *ctx,
struct gl_tess_eval_program **ptr,
struct gl_tess_eval_program *prog)
{
_mesa_reference_program(ctx, (struct gl_program **) ptr,
(struct gl_program *) prog);
}
extern struct gl_program *
_mesa_clone_program(struct gl_context *ctx, const struct gl_program *prog);
@ -167,6 +186,20 @@ _mesa_clone_vertex_program(struct gl_context *ctx,
return (struct gl_vertex_program *) _mesa_clone_program(ctx, &prog->Base);
}
static inline struct gl_tess_ctrl_program *
_mesa_clone_tess_ctrl_program(struct gl_context *ctx,
const struct gl_tess_ctrl_program *prog)
{
return (struct gl_tess_ctrl_program *) _mesa_clone_program(ctx, &prog->Base);
}
static inline struct gl_tess_eval_program *
_mesa_clone_tess_eval_program(struct gl_context *ctx,
const struct gl_tess_eval_program *prog)
{
return (struct gl_tess_eval_program *) _mesa_clone_program(ctx, &prog->Base);
}
static inline struct gl_geometry_program *
_mesa_clone_geometry_program(struct gl_context *ctx,
const struct gl_geometry_program *prog)
@ -262,7 +295,9 @@ _mesa_shader_stage_to_program(unsigned stage)
}
/* Cast wrappers from gl_program to gl_vertex/geometry/fragment_program */
/* Cast wrappers from gl_program to derived program types.
* (e.g. gl_vertex_program)
*/
static inline struct gl_fragment_program *
gl_fragment_program(struct gl_program *prog)
@ -315,6 +350,31 @@ gl_compute_program_const(const struct gl_program *prog)
return (const struct gl_compute_program *) prog;
}
static inline struct gl_tess_ctrl_program *
gl_tess_ctrl_program(struct gl_program *prog)
{
return (struct gl_tess_ctrl_program *) prog;
}
static inline const struct gl_tess_ctrl_program *
gl_tess_ctrl_program_const(const struct gl_program *prog)
{
return (const struct gl_tess_ctrl_program *) prog;
}
static inline struct gl_tess_eval_program *
gl_tess_eval_program(struct gl_program *prog)
{
return (struct gl_tess_eval_program *) prog;
}
static inline const struct gl_tess_eval_program *
gl_tess_eval_program_const(const struct gl_program *prog)
{
return (const struct gl_tess_eval_program *) prog;
}
#ifdef __cplusplus
} /* extern "C" */