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-rw-r--r--src/mesa/state_tracker/st_atom_sampler.c12
-rw-r--r--src/mesa/state_tracker/st_atom_texture.c34
-rw-r--r--src/mesa/state_tracker/st_cb_texture.c40
-rw-r--r--src/mesa/state_tracker/st_cb_texture.h4
-rw-r--r--src/mesa/state_tracker/st_context.c5
-rw-r--r--src/mesa/state_tracker/st_context.h2
6 files changed, 82 insertions, 15 deletions
diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index 3ba6a971f6f..cef61fb55c5 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -35,6 +35,7 @@
#include "main/macros.h"
#include "st_context.h"
+#include "st_cb_texture.h"
#include "st_atom.h"
#include "st_program.h"
#include "pipe/p_context.h"
@@ -125,6 +126,8 @@ update_samplers(struct st_context *st)
st->state.num_samplers = 0;
+ /*printf("%s samplers used = 0x%x\n", __FUNCTION__, fs->Base.Base.SamplersUsed);*/
+
/* loop over sampler units (aka tex image units) */
for (su = 0; su < st->ctx->Const.MaxTextureImageUnits; su++) {
struct pipe_sampler_state *sampler = st->state.samplers + su;
@@ -136,8 +139,9 @@ update_samplers(struct st_context *st)
const struct gl_texture_object *texobj
= st->ctx->Texture.Unit[texUnit]._Current;
- if (!texobj)
- continue;
+ if (!texobj) {
+ texobj = st_get_default_texture(st);
+ }
sampler->wrap_s = gl_wrap_to_sp(texobj->WrapS);
sampler->wrap_t = gl_wrap_to_sp(texobj->WrapT);
@@ -184,11 +188,11 @@ update_samplers(struct st_context *st)
st->state.num_samplers = su + 1;
- /* XXX more sampler state here */
-
+ /*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
cso_single_sampler(st->cso_context, su, sampler);
}
else {
+ /*printf("%s su=%u null\n", __FUNCTION__, su);*/
cso_single_sampler(st->cso_context, su, NULL);
}
}
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index 1ec671ed48f..fb03766ff59 100644
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -49,6 +49,8 @@ update_textures(struct st_context *st)
st->state.num_textures = 0;
+ /*printf("%s samplers used = 0x%x\n", __FUNCTION__, fprog->Base.SamplersUsed);*/
+
for (su = 0; su < st->ctx->Const.MaxTextureCoordUnits; su++) {
struct pipe_texture *pt = NULL;
@@ -56,24 +58,34 @@ update_textures(struct st_context *st)
const GLuint texUnit = fprog->Base.SamplerUnits[su];
struct gl_texture_object *texObj
= st->ctx->Texture.Unit[texUnit]._Current;
- struct st_texture_object *stObj = st_texture_object(texObj);
-
- if (texObj) {
- GLboolean flush, retval;
+ struct st_texture_object *stObj;
+ GLboolean flush, retval;
- retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush);
- if (!retval) {
- /* out of mem */
- /* missing texture */
- continue;
- }
+ if (!texObj) {
+ texObj = st_get_default_texture(st);
+ }
+ stObj = st_texture_object(texObj);
- st->state.num_textures = su + 1;
+ retval = st_finalize_texture(st->ctx, st->pipe, texObj, &flush);
+ if (!retval) {
+ /* out of mem */
+ continue;
}
+ st->state.num_textures = su + 1;
+
pt = st_get_stobj_texture(stObj);
}
+ /*
+ if (pt) {
+ printf("%s su=%u non-null\n", __FUNCTION__, su);
+ }
+ else {
+ printf("%s su=%u null\n", __FUNCTION__, su);
+ }
+ */
+
pipe_texture_reference(&st->state.sampler_texture[su], pt);
}
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index fceb260d708..f291531f81c 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1461,6 +1461,46 @@ st_finalize_texture(GLcontext *ctx,
}
+/**
+ * Returns pointer to a default/dummy texture.
+ * This is typically used when the current shader has tex/sample instructions
+ * but the user has not provided a (any) texture(s).
+ */
+struct gl_texture_object *
+st_get_default_texture(struct st_context *st)
+{
+ if (!st->default_texture) {
+ static const GLenum target = GL_TEXTURE_2D;
+ GLubyte pixels[16][16][4];
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImg;
+
+ texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
+
+ texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
+
+ _mesa_init_teximage_fields(st->ctx, target, texImg,
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA);
+
+ st_TexImage(st->ctx, 2, target,
+ 0, GL_RGBA, /* level, intformat */
+ 16, 16, 1, 0, /* w, h, d, border */
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+ &st->ctx->DefaultPacking,
+ texObj, texImg,
+ 0, 0);
+
+ texObj->MinFilter = GL_NEAREST;
+ texObj->MagFilter = GL_NEAREST;
+ texObj->_Complete = GL_TRUE;
+
+ st->default_texture = texObj;
+ }
+ return st->default_texture;
+}
+
+
void
st_init_texture_functions(struct dd_function_table *functions)
{
diff --git a/src/mesa/state_tracker/st_cb_texture.h b/src/mesa/state_tracker/st_cb_texture.h
index 843745fcd67..f1fe0339cdd 100644
--- a/src/mesa/state_tracker/st_cb_texture.h
+++ b/src/mesa/state_tracker/st_cb_texture.h
@@ -37,6 +37,10 @@ st_finalize_texture(GLcontext *ctx,
GLboolean *needFlush);
+extern struct gl_texture_object *
+st_get_default_texture(struct st_context *st);
+
+
extern void
st_init_texture_functions(struct dd_function_table *functions);
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 6e4a376d44a..d014ace59fb 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -199,6 +199,11 @@ static void st_destroy_context_priv( struct st_context *st )
}
}
+ if (st->default_texture) {
+ st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture);
+ st->default_texture = NULL;
+ }
+
free( st );
}
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h
index 96333902a91..4314d9af5c8 100644
--- a/src/mesa/state_tracker/st_context.h
+++ b/src/mesa/state_tracker/st_context.h
@@ -132,6 +132,8 @@ struct st_context
struct st_vertex_program *vp; /**< Currently bound vertex program */
struct st_fragment_program *fp; /**< Currently bound fragment program */
+ struct gl_texture_object *default_texture;
+
struct {
struct gl_program_cache *cache;
struct st_fragment_program *program; /**< cur pixel transfer prog */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 21:52:22 +0000