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st/xorg: create basic fragment shader

This commit is contained in:
Zack Rusin 2009-08-26 12:14:27 -04:00
parent 490f640cd5
commit b324aacf13
1 changed files with 10 additions and 26 deletions
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36
src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
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@ -64,21 +64,9 @@ create_vs(struct pipe_context *ctx,
}
static void *
create_fs(struct pipe_context *ctx,
unsigned vs_traits)
create_fs(struct pipe_context *pipe,
unsigned fs_traits)
{
return NULL;
}
static struct xorg_shader
xorg_shader_construct(struct exa_context *exa,
int op,
PicturePtr src_picture,
PicturePtr mask_picture,
PicturePtr dst_picture)
{
struct xorg_shader shader = {0};
#if 0
struct ureg_program *ureg;
struct ureg_src dst_sampler, src_sampler, mask_sampler;
struct ureg_src dst_pos, src_pos, mask_pos;
@ -86,10 +74,7 @@ xorg_shader_construct(struct exa_context *exa,
ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (ureg == NULL)
return shader;
if (sid.is_fill)
return shader;
return 0;
#if 0 /* unused right now */
dst_sampler = ureg_DECL_sampler(ureg);
@ -105,18 +90,18 @@ xorg_shader_construct(struct exa_context *exa,
1,
TGSI_INTERPOLATE_PERSPECTIVE);
if (sid.mask) {
if ((fs_traits & FS_MASK)) {
mask_sampler = ureg_DECL_sampler(ureg);
src_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
2,
TGSI_INTERPOLATE_PERSPECTIVE);
mask_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
2,
TGSI_INTERPOLATE_PERSPECTIVE);
}
ureg_TEX(ureg, ureg_dst(src),
TGSI_TEXTURE_2D, src_pos, src_sampler);
if (sid.mask) {
if ((fs_traits & FS_MASK)) {
ureg_TEX(ureg, ureg_dst(mask),
TGSI_TEXTURE_2D, mask_pos, mask_sampler);
/* src IN mask */
@ -125,8 +110,7 @@ xorg_shader_construct(struct exa_context *exa,
ureg_END(ureg);
#endif
return shader;
return ureg_create_shader_and_destroy(ureg, pipe);
}
struct xorg_shaders * xorg_shaders_create(struct exa_context *exa)