[Mesa-dev] [PATCH 07/14] st/mesa: move PBO upload fs creation to st_pbo.c
Nicolai Hähnle
nhaehnle at gmail.com
Wed May 18 15:25:37 UTC 2016
From: Nicolai Hähnle <nicolai.haehnle at amd.com>
---
src/mesa/state_tracker/st_cb_texture.c | 78 +---------------------------------
src/mesa/state_tracker/st_pbo.c | 76 +++++++++++++++++++++++++++++++++
src/mesa/state_tracker/st_pbo.h | 3 ++
3 files changed, 80 insertions(+), 77 deletions(-)
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index d1c820b..ab791ef 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1070,82 +1070,6 @@ reinterpret_formats(enum pipe_format *src_format, enum pipe_format *dst_format)
return true;
}
-static void *
-create_pbo_upload_fs(struct st_context *st)
-{
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
- struct ureg_program *ureg;
- struct ureg_dst out;
- struct ureg_src sampler;
- struct ureg_src pos;
- struct ureg_src layer;
- struct ureg_src const0;
- struct ureg_dst temp0;
-
- ureg = ureg_create(PIPE_SHADER_FRAGMENT);
- if (!ureg)
- return NULL;
-
- out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
- sampler = ureg_DECL_sampler(ureg, 0);
- if (screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL)) {
- pos = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_POSITION, 0);
- } else {
- pos = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_POSITION, 0,
- TGSI_INTERPOLATE_LINEAR);
- }
- if (st->pbo.layers) {
- layer = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_LAYER, 0,
- TGSI_INTERPOLATE_CONSTANT);
- }
- const0 = ureg_DECL_constant(ureg, 0);
- temp0 = ureg_DECL_temporary(ureg);
-
- /* Note: const0 = [ -xoffset + skip_pixels, -yoffset, stride, image_height ] */
-
- /* temp0.xy = f2i(temp0.xy) */
- ureg_F2I(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
- ureg_swizzle(pos,
- TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
- TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));
-
- /* temp0.xy = temp0.xy + const0.xy */
- ureg_UADD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
- ureg_swizzle(ureg_src(temp0),
- TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
- TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y),
- ureg_swizzle(const0,
- TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
- TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));
-
- /* temp0.x = const0.z * temp0.y + temp0.x */
- ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
- ureg_scalar(const0, TGSI_SWIZZLE_Z),
- ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_Y),
- ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));
-
- if (st->pbo.layers) {
- /* temp0.x = const0.w * layer + temp0.x */
- ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
- ureg_scalar(const0, TGSI_SWIZZLE_W),
- ureg_scalar(layer, TGSI_SWIZZLE_X),
- ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));
- }
-
- /* temp0.w = 0 */
- ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_W), ureg_imm1u(ureg, 0));
-
- /* out = txf(sampler, temp0.x) */
- ureg_TXF(ureg, out, TGSI_TEXTURE_BUFFER, ureg_src(temp0), sampler);
-
- ureg_release_temporary(ureg, temp0);
-
- ureg_END(ureg);
-
- return ureg_create_shader_and_destroy(ureg, pipe);
-}
-
static bool
try_pbo_upload_common(struct gl_context *ctx,
struct pipe_surface *surface,
@@ -1191,7 +1115,7 @@ try_pbo_upload_common(struct gl_context *ctx,
}
if (!st->pbo.upload_fs) {
- st->pbo.upload_fs = create_pbo_upload_fs(st);
+ st->pbo.upload_fs = st_pbo_create_upload_fs(st);
if (!st->pbo.upload_fs)
return false;
}
diff --git a/src/mesa/state_tracker/st_pbo.c b/src/mesa/state_tracker/st_pbo.c
index 7644741..83d5608 100644
--- a/src/mesa/state_tracker/st_pbo.c
+++ b/src/mesa/state_tracker/st_pbo.c
@@ -123,6 +123,82 @@ st_pbo_create_gs(struct st_context *st)
return ureg_create_shader_and_destroy(ureg, st->pipe);
}
+void *
+st_pbo_create_upload_fs(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct ureg_program *ureg;
+ struct ureg_dst out;
+ struct ureg_src sampler;
+ struct ureg_src pos;
+ struct ureg_src layer;
+ struct ureg_src const0;
+ struct ureg_dst temp0;
+
+ ureg = ureg_create(PIPE_SHADER_FRAGMENT);
+ if (!ureg)
+ return NULL;
+
+ out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
+ sampler = ureg_DECL_sampler(ureg, 0);
+ if (screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL)) {
+ pos = ureg_DECL_system_value(ureg, TGSI_SEMANTIC_POSITION, 0);
+ } else {
+ pos = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_POSITION, 0,
+ TGSI_INTERPOLATE_LINEAR);
+ }
+ if (st->pbo.layers) {
+ layer = ureg_DECL_fs_input(ureg, TGSI_SEMANTIC_LAYER, 0,
+ TGSI_INTERPOLATE_CONSTANT);
+ }
+ const0 = ureg_DECL_constant(ureg, 0);
+ temp0 = ureg_DECL_temporary(ureg);
+
+ /* Note: const0 = [ -xoffset + skip_pixels, -yoffset, stride, image_height ] */
+
+ /* temp0.xy = f2i(temp0.xy) */
+ ureg_F2I(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
+ ureg_swizzle(pos,
+ TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));
+
+ /* temp0.xy = temp0.xy + const0.xy */
+ ureg_UADD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_XY),
+ ureg_swizzle(ureg_src(temp0),
+ TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y),
+ ureg_swizzle(const0,
+ TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y));
+
+ /* temp0.x = const0.z * temp0.y + temp0.x */
+ ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
+ ureg_scalar(const0, TGSI_SWIZZLE_Z),
+ ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_Y),
+ ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));
+
+ if (st->pbo.layers) {
+ /* temp0.x = const0.w * layer + temp0.x */
+ ureg_UMAD(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_X),
+ ureg_scalar(const0, TGSI_SWIZZLE_W),
+ ureg_scalar(layer, TGSI_SWIZZLE_X),
+ ureg_scalar(ureg_src(temp0), TGSI_SWIZZLE_X));
+ }
+
+ /* temp0.w = 0 */
+ ureg_MOV(ureg, ureg_writemask(temp0, TGSI_WRITEMASK_W), ureg_imm1u(ureg, 0));
+
+ /* out = txf(sampler, temp0.x) */
+ ureg_TXF(ureg, out, TGSI_TEXTURE_BUFFER, ureg_src(temp0), sampler);
+
+ ureg_release_temporary(ureg, temp0);
+
+ ureg_END(ureg);
+
+ return ureg_create_shader_and_destroy(ureg, pipe);
+}
+
void
st_init_pbo_helpers(struct st_context *st)
{
diff --git a/src/mesa/state_tracker/st_pbo.h b/src/mesa/state_tracker/st_pbo.h
index 9533b66..7ba426f 100644
--- a/src/mesa/state_tracker/st_pbo.h
+++ b/src/mesa/state_tracker/st_pbo.h
@@ -32,6 +32,9 @@ st_pbo_create_vs(struct st_context *st);
void *
st_pbo_create_gs(struct st_context *st);
+void *
+st_pbo_create_upload_fs(struct st_context *st);
+
extern void
st_init_pbo_helpers(struct st_context *st);
--
2.7.4
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