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nir: add lowering pass for glDrawPixels

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Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Rob Clark
2015-12-21 21:27:25 -05:00
parent b26645a00f
commit 12c18ce476
3 changed files with 268 additions and 0 deletions
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13
src/compiler/nir/nir.h
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@@ -2385,6 +2385,19 @@ typedef struct nir_lower_wpos_ytransform_options {
bool nir_lower_wpos_ytransform(nir_shader *shader,
const nir_lower_wpos_ytransform_options *options);
typedef struct nir_lower_drawpixels_options {
int texcoord_state_tokens[5];
int scale_state_tokens[5];
int bias_state_tokens[5];
unsigned drawpix_sampler;
unsigned pixelmap_sampler;
bool pixel_maps :1;
bool scale_and_bias :1;
} nir_lower_drawpixels_options;
void nir_lower_drawpixels(nir_shader *shader,
const nir_lower_drawpixels_options *options);
void nir_lower_atomics(nir_shader *shader,
const struct gl_shader_program *shader_program);
void nir_lower_to_source_mods(nir_shader *shader);