diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program.h')
| -rw-r--r-- | src/mesa/drivers/dri/r300/radeon_program.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program.h b/src/mesa/drivers/dri/r300/radeon_program.h index 012104fa5a..ba76bc47cf 100644 --- a/src/mesa/drivers/dri/r300/radeon_program.h +++ b/src/mesa/drivers/dri/r300/radeon_program.h @@ -49,6 +49,19 @@ enum { #define SWIZZLE_1111 MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE) /** + * Transformation context that is passed to local transformations. + * + * Care must be taken with some operations during transformation, + * e.g. finding new temporary registers must use @ref radeonFindFreeTemporary + */ +struct radeon_transform_context { + GLcontext *Ctx; + struct gl_program *Program; + struct prog_instruction *OldInstructions; + GLuint OldNumInstructions; +}; + +/** * A transformation that can be passed to \ref radeonLocalTransform. * * The function will be called once for each instruction. @@ -60,8 +73,7 @@ enum { */ struct radeon_program_transformation { GLboolean (*function)( - GLcontext*, - struct gl_program*, + struct radeon_transform_context*, struct prog_instruction*, void*); void *userData; @@ -73,6 +85,10 @@ void radeonLocalTransform( int num_transformations, struct radeon_program_transformation* transformations); +/** + * Find a usable free temporary register during program transformation + */ +GLint radeonFindFreeTemporary(struct radeon_transform_context *ctx); struct prog_instruction *radeonAppendInstructions(struct gl_program *program, int count); |