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st/mesa: add comments, fix formatting in st_cb_program.c

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This commit is contained in:
Brian Paul 2010-12-13 17:16:18 -07:00
parent 3d203b6100
commit 9b4433fe58
1 changed files with 31 additions and 29 deletions
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60
src/mesa/state_tracker/st_cb_program.c
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@ -51,9 +51,8 @@
* Called via ctx->Driver.BindProgram() to bind an ARB vertex or
* fragment program.
*/
static void st_bind_program( struct gl_context *ctx,
GLenum target,
struct gl_program *prog )
static void
st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog)
{
struct st_context *st = st_context(ctx);
@ -75,7 +74,8 @@ static void st_bind_program( struct gl_context *ctx,
* Called via ctx->Driver.UseProgram() to bind a linked GLSL program
* (vertex shader + fragment shader).
*/
static void st_use_program( struct gl_context *ctx, struct gl_shader_program *shProg)
static void
st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
{
struct st_context *st = st_context(ctx);
@ -85,42 +85,28 @@ static void st_use_program( struct gl_context *ctx, struct gl_shader_program *sh
}
/**
* Called via ctx->Driver.NewProgram() to allocate a new vertex or
* fragment program.
*/
static struct gl_program *st_new_program( struct gl_context *ctx,
GLenum target,
GLuint id )
static struct gl_program *
st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
{
switch (target) {
case GL_VERTEX_PROGRAM_ARB: {
struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
return _mesa_init_vertex_program( ctx,
&prog->Base,
target,
id );
return _mesa_init_vertex_program(ctx, &prog->Base, target, id);
}
case GL_FRAGMENT_PROGRAM_ARB:
case GL_FRAGMENT_PROGRAM_NV: {
struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
return _mesa_init_fragment_program( ctx,
&prog->Base,
target,
id );
return _mesa_init_fragment_program(ctx, &prog->Base, target, id);
}
case MESA_GEOMETRY_PROGRAM: {
struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
return _mesa_init_geometry_program( ctx,
&prog->Base,
target,
id );
return _mesa_init_geometry_program(ctx, &prog->Base, target, id);
}
default:
@ -130,6 +116,9 @@ static struct gl_program *st_new_program( struct gl_context *ctx,
}
/**
* Called via ctx->Driver.DeleteProgram()
*/
void
st_delete_program(struct gl_context *ctx, struct gl_program *prog)
{
@ -177,15 +166,25 @@ st_delete_program(struct gl_context *ctx, struct gl_program *prog)
}
static GLboolean st_is_program_native( struct gl_context *ctx,
GLenum target,
struct gl_program *prog )
/**
* Called via ctx->Driver.IsProgramNative()
*/
static GLboolean
st_is_program_native(struct gl_context *ctx,
GLenum target,
struct gl_program *prog)
{
return GL_TRUE;
}
static GLboolean st_program_string_notify( struct gl_context *ctx,
/**
* Called via ctx->Driver.ProgramStringNotify()
* Called when the program's text/code is changed. We have to free
* all shader varients and corresponding gallium shaders when this happens.
*/
static GLboolean
st_program_string_notify( struct gl_context *ctx,
GLenum target,
struct gl_program *prog )
{
@ -231,8 +230,11 @@ static GLboolean st_program_string_notify( struct gl_context *ctx,
}
void st_init_program_functions(struct dd_function_table *functions)
/**
* Plug in the program and shader-related device driver functions.
*/
void
st_init_program_functions(struct dd_function_table *functions)
{
functions->BindProgram = st_bind_program;
functions->UseProgram = st_use_program;