diff options
author | Ben Skeggs <skeggsb@gmail.com> | 2008-02-27 00:34:31 +1100 |
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committer | Ben Skeggs <skeggsb@gmail.com> | 2008-02-27 00:34:31 +1100 |
commit | 68ef52886263690632552ae187a4673945c2ab74 (patch) | |
tree | 0453c0063397c196ebe5e3dcd4d9c91392496d77 /src/gallium/drivers/i915simple/i915_context.h | |
parent | 026e2fd3c6eb87a010a9c90341e8a77b09376b5b (diff) | |
parent | ad6bb870de6103ed240fa1f9f828bd13a4401a9a (diff) |
Merge branch 'upstream-gallium-0.1' into nouveau-gallium-0.1
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_context.h')
-rw-r--r-- | src/gallium/drivers/i915simple/i915_context.h | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/src/gallium/drivers/i915simple/i915_context.h b/src/gallium/drivers/i915simple/i915_context.h index 2d876925b2..d32dded6bd 100644 --- a/src/gallium/drivers/i915simple/i915_context.h +++ b/src/gallium/drivers/i915simple/i915_context.h @@ -79,6 +79,40 @@ #define I915_MAX_CONSTANT 32 +/** See constant_flags[] below */ +#define I915_CONSTFLAG_USER 0x1f + + +/** + * Subclass of pipe_shader_state + */ +struct i915_fragment_shader +{ + struct pipe_shader_state state; + uint *program; + uint program_len; + + /** + * constants introduced during translation. + * These are placed at the end of the constant buffer and grow toward + * the beginning (eg: slot 31, 30 29, ...) + * User-provided constants start at 0. + * This allows both types of constants to co-exist (until there's too many) + * and doesn't require regenerating/changing the fragment program to + * shuffle constants around. + */ + uint num_constants; + float constants[I915_MAX_CONSTANT][4]; + + /** + * Status of each constant + * if I915_CONSTFLAG_PARAM, the value must be taken from the corresponding + * slot of the user's constant buffer. (set by pipe->set_constant_buffer()) + * Else, the bitmask indicates which components are occupied by immediates. + */ + ubyte constant_flags[I915_MAX_CONSTANT]; +}; + struct i915_cache_context; @@ -93,11 +127,6 @@ struct i915_state float constants[PIPE_SHADER_TYPES][I915_MAX_CONSTANT][4]; /** number of constants passed in through a constant buffer */ uint num_user_constants[PIPE_SHADER_TYPES]; - /** user constants, plus extra constants from shader translation */ - uint num_constants[PIPE_SHADER_TYPES]; - - uint *program; - uint program_len; /* texture sampler state */ unsigned sampler[I915_TEX_UNITS][3]; @@ -187,7 +216,8 @@ struct i915_context const struct i915_sampler_state *sampler[PIPE_MAX_SAMPLERS]; const struct i915_depth_stencil_state *depth_stencil; const struct i915_rasterizer_state *rasterizer; - const struct pipe_shader_state *fs; + + struct i915_fragment_shader *fs; struct pipe_blend_color blend_color; struct pipe_clip_state clip; @@ -233,6 +263,7 @@ struct i915_context #define I915_NEW_TEXTURE 0x800 #define I915_NEW_CONSTANTS 0x1000 #define I915_NEW_VBO 0x2000 +#define I915_NEW_VS 0x4000 /* Driver's internally generated state flags: |