summaryrefslogtreecommitdiff
path: root/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_exa_tgsi.c')
-rw-r--r--src/gallium/state_trackers/xorg/xorg_exa_tgsi.c135
1 files changed, 106 insertions, 29 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
index bb5a42af37..83cc12fea9 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
@@ -44,32 +44,29 @@
*/
struct xorg_shaders {
- struct exa_context *exa;
+ struct xorg_renderer *r;
struct cso_hash *vs_hash;
struct cso_hash *fs_hash;
};
-static const char over_op[] =
- "SUB TEMP[3], CONST[0].wwww, TEMP[1].wwww\n"
- "MAD TEMP[3], TEMP[0], TEMP[3], TEMP[0]\n";
-
-
-static INLINE void
-create_preamble(struct ureg_program *ureg)
-{
-}
-
-
static INLINE void
src_in_mask(struct ureg_program *ureg,
struct ureg_dst dst,
struct ureg_src src,
- struct ureg_src mask)
+ struct ureg_src mask,
+ int component_alpha)
{
- /* MUL dst, src, mask.wwww */
- ureg_MUL(ureg, dst, src,
- ureg_scalar(mask, TGSI_SWIZZLE_W));
+ if (component_alpha == FS_CA_FULL) {
+ ureg_MUL(ureg, dst, src, mask);
+ } else if (component_alpha == FS_CA_SRCALPHA) {
+ ureg_MUL(ureg, dst,
+ ureg_scalar(src, TGSI_SWIZZLE_W), mask);
+ }
+ else {
+ ureg_MUL(ureg, dst, src,
+ ureg_scalar(mask, TGSI_SWIZZLE_X));
+ }
}
static struct ureg_src
@@ -239,6 +236,7 @@ create_vs(struct pipe_context *pipe,
boolean is_fill = vs_traits & VS_FILL;
boolean is_composite = vs_traits & VS_COMPOSITE;
boolean has_mask = vs_traits & VS_MASK;
+ boolean is_yuv = vs_traits & VS_YUV;
unsigned input_slot = 0;
ureg = ureg_create(TGSI_PROCESSOR_VERTEX);
@@ -249,7 +247,7 @@ create_vs(struct pipe_context *pipe,
const1 = ureg_DECL_constant(ureg, 1);
/* it has to be either a fill or a composite op */
- debug_assert(is_fill ^ is_composite);
+ debug_assert((is_fill ^ is_composite) ^ is_yuv);
src = ureg_DECL_vs_input(ureg, input_slot++);
dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
@@ -257,6 +255,12 @@ create_vs(struct pipe_context *pipe,
const0, const1);
ureg_MOV(ureg, dst, src);
+ if (is_yuv) {
+ src = ureg_DECL_vs_input(ureg, input_slot++);
+ dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
+ ureg_MOV(ureg, dst, src);
+ }
+
if (is_composite) {
src = ureg_DECL_vs_input(ureg, input_slot++);
dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
@@ -271,7 +275,7 @@ create_vs(struct pipe_context *pipe,
if (has_mask) {
src = ureg_DECL_vs_input(ureg, input_slot++);
- dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 2);
+ dst = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 1);
ureg_MOV(ureg, dst, src);
}
@@ -281,6 +285,75 @@ create_vs(struct pipe_context *pipe,
}
static void *
+create_yuv_shader(struct pipe_context *pipe, struct ureg_program *ureg)
+{
+ struct ureg_src y_sampler, u_sampler, v_sampler;
+ struct ureg_src pos;
+ struct ureg_src matrow0, matrow1, matrow2;
+ struct ureg_dst y, u, v, rgb;
+ struct ureg_dst out = ureg_DECL_output(ureg,
+ TGSI_SEMANTIC_COLOR,
+ 0);
+
+ pos = ureg_DECL_fs_input(ureg,
+ TGSI_SEMANTIC_GENERIC,
+ 0,
+ TGSI_INTERPOLATE_PERSPECTIVE);
+
+ rgb = ureg_DECL_temporary(ureg);
+ y = ureg_DECL_temporary(ureg);
+ u = ureg_DECL_temporary(ureg);
+ v = ureg_DECL_temporary(ureg);
+
+ y_sampler = ureg_DECL_sampler(ureg, 0);
+ u_sampler = ureg_DECL_sampler(ureg, 1);
+ v_sampler = ureg_DECL_sampler(ureg, 2);
+
+ matrow0 = ureg_DECL_constant(ureg, 0);
+ matrow1 = ureg_DECL_constant(ureg, 1);
+ matrow2 = ureg_DECL_constant(ureg, 2);
+
+ ureg_TEX(ureg, y,
+ TGSI_TEXTURE_2D, pos, y_sampler);
+ ureg_TEX(ureg, u,
+ TGSI_TEXTURE_2D, pos, u_sampler);
+ ureg_TEX(ureg, v,
+ TGSI_TEXTURE_2D, pos, v_sampler);
+
+ ureg_SUB(ureg, u, ureg_src(u),
+ ureg_scalar(matrow0, TGSI_SWIZZLE_W));
+ ureg_SUB(ureg, v, ureg_src(v),
+ ureg_scalar(matrow0, TGSI_SWIZZLE_W));
+
+ ureg_MUL(ureg, rgb,
+ ureg_scalar(ureg_src(y), TGSI_SWIZZLE_X),
+ matrow0);
+ ureg_MAD(ureg, rgb,
+ ureg_scalar(ureg_src(u), TGSI_SWIZZLE_X),
+ matrow1,
+ ureg_src(rgb));
+ ureg_MAD(ureg, rgb,
+ ureg_scalar(ureg_src(v), TGSI_SWIZZLE_X),
+ matrow2,
+ ureg_src(rgb));
+
+ /* rgb.a = 1; */
+ ureg_MOV(ureg, ureg_writemask(rgb, TGSI_WRITEMASK_W),
+ ureg_scalar(matrow0, TGSI_SWIZZLE_X));
+
+ ureg_MOV(ureg, out, ureg_src(rgb));
+
+ ureg_release_temporary(ureg, rgb);
+ ureg_release_temporary(ureg, y);
+ ureg_release_temporary(ureg, u);
+ ureg_release_temporary(ureg, v);
+
+ ureg_END(ureg);
+
+ return ureg_create_shader_and_destroy(ureg, pipe);
+}
+
+static void *
create_fs(struct pipe_context *pipe,
unsigned fs_traits)
{
@@ -295,13 +368,15 @@ create_fs(struct pipe_context *pipe,
boolean is_solid = fs_traits & FS_SOLID_FILL;
boolean is_lingrad = fs_traits & FS_LINGRAD_FILL;
boolean is_radgrad = fs_traits & FS_RADGRAD_FILL;
+ unsigned comp_alpha = fs_traits & FS_COMPONENT_ALPHA;
+ boolean is_yuv = fs_traits & FS_YUV;
ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (ureg == NULL)
return 0;
- /* it has to be either a fill or a composite op */
- debug_assert(is_fill ^ is_composite);
+ /* it has to be either a fill, a composite op or a yuv conversion */
+ debug_assert((is_fill ^ is_composite) ^ is_yuv);
out = ureg_DECL_output(ureg,
TGSI_SEMANTIC_COLOR,
@@ -313,8 +388,7 @@ create_fs(struct pipe_context *pipe,
TGSI_SEMANTIC_GENERIC,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
- } else {
- debug_assert(is_fill);
+ } else if (is_fill) {
if (is_solid)
src_input = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_COLOR,
@@ -325,6 +399,9 @@ create_fs(struct pipe_context *pipe,
TGSI_SEMANTIC_POSITION,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
+ } else {
+ debug_assert(is_yuv);
+ return create_yuv_shader(pipe, ureg);
}
if (has_mask) {
@@ -391,7 +468,7 @@ create_fs(struct pipe_context *pipe,
ureg_TEX(ureg, mask,
TGSI_TEXTURE_2D, mask_pos, mask_sampler);
/* src IN mask */
- src_in_mask(ureg, out, ureg_src(src), ureg_src(mask));
+ src_in_mask(ureg, out, ureg_src(src), ureg_src(mask), comp_alpha);
ureg_release_temporary(ureg, mask);
}
@@ -400,11 +477,11 @@ create_fs(struct pipe_context *pipe,
return ureg_create_shader_and_destroy(ureg, pipe);
}
-struct xorg_shaders * xorg_shaders_create(struct exa_context *exa)
+struct xorg_shaders * xorg_shaders_create(struct xorg_renderer *r)
{
struct xorg_shaders *sc = CALLOC_STRUCT(xorg_shaders);
- sc->exa = exa;
+ sc->r = r;
sc->vs_hash = cso_hash_create();
sc->fs_hash = cso_hash_create();
@@ -431,9 +508,9 @@ cache_destroy(struct cso_context *cso,
void xorg_shaders_destroy(struct xorg_shaders *sc)
{
- cache_destroy(sc->exa->cso, sc->vs_hash,
+ cache_destroy(sc->r->cso, sc->vs_hash,
PIPE_SHADER_VERTEX);
- cache_destroy(sc->exa->cso, sc->fs_hash,
+ cache_destroy(sc->r->cso, sc->fs_hash,
PIPE_SHADER_FRAGMENT);
free(sc);
@@ -468,9 +545,9 @@ struct xorg_shader xorg_shaders_get(struct xorg_shaders *sc,
struct xorg_shader shader = { NULL, NULL };
void *vs, *fs;
- vs = shader_from_cache(sc->exa->pipe, PIPE_SHADER_VERTEX,
+ vs = shader_from_cache(sc->r->pipe, PIPE_SHADER_VERTEX,
sc->vs_hash, vs_traits);
- fs = shader_from_cache(sc->exa->pipe, PIPE_SHADER_FRAGMENT,
+ fs = shader_from_cache(sc->r->pipe, PIPE_SHADER_FRAGMENT,
sc->fs_hash, fs_traits);
debug_assert(vs && fs);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-08 12:46:08 +0000