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-rw-r--r--src/gallium/auxiliary/util/u_blit.c40
-rw-r--r--src/gallium/auxiliary/util/u_blit.h3
-rw-r--r--src/gallium/auxiliary/util/u_simple_shaders.c47
-rw-r--r--src/gallium/auxiliary/util/u_simple_shaders.h4
4 files changed, 78 insertions, 16 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index 3f92476f0c0..817eeac9f0d 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -65,7 +65,7 @@ struct blit_state
struct pipe_vertex_element velem[2];
void *vs;
- void *fs[PIPE_MAX_TEXTURE_TYPES][TGSI_WRITEMASK_XYZW + 1][3];
+ void *fs[PIPE_MAX_TEXTURE_TYPES][4];
struct pipe_resource *vbuf; /**< quad vertices */
unsigned vbuf_slot;
@@ -135,17 +135,15 @@ void
util_destroy_blit(struct blit_state *ctx)
{
struct pipe_context *pipe = ctx->pipe;
- unsigned i, j, k;
+ unsigned i, j;
if (ctx->vs)
pipe->delete_vs_state(pipe, ctx->vs);
for (i = 0; i < ARRAY_SIZE(ctx->fs); i++) {
for (j = 0; j < ARRAY_SIZE(ctx->fs[i]); j++) {
- for (k = 0; k < ARRAY_SIZE(ctx->fs[i][j]); k++) {
- if (ctx->fs[i][j][k])
- pipe->delete_fs_state(pipe, ctx->fs[i][j][k]);
- }
+ if (ctx->fs[i][j])
+ pipe->delete_fs_state(pipe, ctx->fs[i][j]);
}
}
@@ -159,8 +157,9 @@ util_destroy_blit(struct blit_state *ctx)
* Helper function to set the fragment shaders.
*/
static inline void
-set_fragment_shader(struct blit_state *ctx, uint writemask,
+set_fragment_shader(struct blit_state *ctx,
enum pipe_format format,
+ boolean src_xrbias,
enum pipe_texture_target pipe_tex)
{
enum tgsi_return_type stype;
@@ -177,19 +176,29 @@ set_fragment_shader(struct blit_state *ctx, uint writemask,
idx = 2;
}
- if (!ctx->fs[pipe_tex][writemask][idx]) {
+ if (src_xrbias) {
+ assert(stype == TGSI_RETURN_TYPE_FLOAT);
+ idx = 3;
+ if (!ctx->fs[pipe_tex][idx]) {
+ enum tgsi_texture_type tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0);
+ ctx->fs[pipe_tex][idx] =
+ util_make_fragment_tex_shader_xrbias(ctx->pipe, tgsi_tex);
+ }
+ }
+
+ else if (!ctx->fs[pipe_tex][idx]) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(pipe_tex, 0);
/* OpenGL does not allow blits from signed to unsigned integer
* or vice versa. */
- ctx->fs[pipe_tex][writemask][idx] =
+ ctx->fs[pipe_tex][idx] =
util_make_fragment_tex_shader_writemask(ctx->pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR,
- writemask,
+ TGSI_WRITEMASK_XYZW,
stype, stype, false, false);
}
- cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][writemask][idx]);
+ cso_set_fragment_shader_handle(ctx->cso, ctx->fs[pipe_tex][idx]);
}
@@ -491,8 +500,8 @@ util_blit_pixels(struct blit_state *ctx,
* The sampler view's first_layer indicate the layer to use, but for
* cube maps it must point to the first face. Face is passed in src_face.
*
- * The main advantage over util_blit_pixels is that it allows to specify swizzles in
- * pipe_sampler_view::swizzle_?.
+ * The main advantage over util_blit_pixels is that it allows to specify
+ * swizzles in pipe_sampler_view::swizzle_?.
*
* But there is no control over blitting Z and/or stencil.
*/
@@ -505,7 +514,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
struct pipe_surface *dst,
int dstX0, int dstY0,
int dstX1, int dstY1,
- float z, uint filter)
+ float z, uint filter,
+ boolean src_xrbias)
{
boolean normalized = src_sampler_view->texture->target != PIPE_TEXTURE_RECT;
struct pipe_framebuffer_state fb;
@@ -593,7 +603,7 @@ util_blit_pixels_tex(struct blit_state *ctx,
cso_set_sampler_views(ctx->cso, PIPE_SHADER_FRAGMENT, 1, &src_sampler_view);
/* shaders */
- set_fragment_shader(ctx, TGSI_WRITEMASK_XYZW,
+ set_fragment_shader(ctx, src_xrbias,
src_sampler_view->format,
src_sampler_view->texture->target);
set_vertex_shader(ctx);
diff --git a/src/gallium/auxiliary/util/u_blit.h b/src/gallium/auxiliary/util/u_blit.h
index b50edab781e..e2934d0983c 100644
--- a/src/gallium/auxiliary/util/u_blit.h
+++ b/src/gallium/auxiliary/util/u_blit.h
@@ -72,7 +72,8 @@ util_blit_pixels_tex(struct blit_state *ctx,
struct pipe_surface *dst,
int dstX0, int dstY0,
int dstX1, int dstY1,
- float z, uint filter);
+ float z, uint filter,
+ boolean src_xrbias);
#ifdef __cplusplus
}
diff --git a/src/gallium/auxiliary/util/u_simple_shaders.c b/src/gallium/auxiliary/util/u_simple_shaders.c
index a301c057624..0b444045c42 100644
--- a/src/gallium/auxiliary/util/u_simple_shaders.c
+++ b/src/gallium/auxiliary/util/u_simple_shaders.c
@@ -222,6 +222,53 @@ ureg_load_tex(struct ureg_program *ureg, struct ureg_dst out,
}
/**
+ * Make simple fragment texture shader, with xrbias->float conversion:
+ * IMM {1023/510, -384/510, 0, 1}
+ * TEX TEMP[0], IN[0], SAMP[0], 2D;
+ * MAD TEMP[0].xyz TEMP[0], IMM[0].xxxx, IMM[0].yyyy
+ * MOV OUT[0], TEMP[0]
+ * END;
+ *
+ * \param tex_target one of PIPE_TEXTURE_x
+ */
+void *
+util_make_fragment_tex_shader_xrbias(struct pipe_context *pipe,
+ enum tgsi_texture_type tex_target)
+{
+ struct ureg_program *ureg;
+ struct ureg_src sampler;
+ struct ureg_src coord;
+ struct ureg_dst temp;
+ struct ureg_dst out;
+ struct ureg_src imm;
+ enum tgsi_return_type stype = TGSI_RETURN_TYPE_FLOAT;
+
+ ureg = ureg_create(PIPE_SHADER_FRAGMENT);
+ if (!ureg)
+ return NULL;
+
+ imm = ureg_imm4f(ureg, 1023.0f/510.0f, -384.0f/510.0f, 0.0f, 1.0f);
+ sampler = ureg_DECL_sampler(ureg, 0);
+ ureg_DECL_sampler_view(ureg, 0, tex_target, stype, stype, stype, stype);
+ coord = ureg_DECL_fs_input(ureg,
+ TGSI_SEMANTIC_GENERIC, 0,
+ TGSI_INTERPOLATE_LINEAR);
+ out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
+ temp = ureg_DECL_temporary(ureg);
+
+ ureg_TEX(ureg, temp, tex_target, coord, sampler);
+ ureg_MAD(ureg, ureg_writemask(temp, TGSI_WRITEMASK_XYZ),
+ ureg_src(temp),
+ ureg_scalar(imm, TGSI_SWIZZLE_X),
+ ureg_scalar(imm, TGSI_SWIZZLE_Y));
+ ureg_MOV(ureg, out, ureg_src(temp));
+ ureg_END(ureg);
+
+ return ureg_create_shader_and_destroy(ureg, pipe);
+}
+
+
+/**
* Make simple fragment texture shader:
* IMM {0,0,0,1} // (if writemask != 0xf)
* MOV TEMP[0], IMM[0] // (if writemask != 0xf)
diff --git a/src/gallium/auxiliary/util/u_simple_shaders.h b/src/gallium/auxiliary/util/u_simple_shaders.h
index a281f573a4a..627c56331a3 100644
--- a/src/gallium/auxiliary/util/u_simple_shaders.h
+++ b/src/gallium/auxiliary/util/u_simple_shaders.h
@@ -68,6 +68,10 @@ util_make_layered_clear_helper_vertex_shader(struct pipe_context *pipe);
extern void *
util_make_layered_clear_geometry_shader(struct pipe_context *pipe);
+void *
+util_make_fragment_tex_shader_xrbias(struct pipe_context *pipe,
+ enum tgsi_texture_type tex_target);
+
extern void *
util_make_fragment_tex_shader_writemask(struct pipe_context *pipe,
unsigned tex_target,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 15:09:33 +0000