diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_sampler.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_sampler.c | 186 |
1 files changed, 110 insertions, 76 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_sampler.c b/mesalib/src/mesa/state_tracker/st_atom_sampler.c index e1700d6a9..e05316067 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_sampler.c +++ b/mesalib/src/mesa/state_tracker/st_atom_sampler.c @@ -120,14 +120,110 @@ gl_filter_to_img_filter(GLenum filter) }
}
+static void convert_sampler(struct st_context *st,
+ struct pipe_sampler_state *sampler,
+ GLuint texUnit)
+{
+ struct gl_texture_object *texobj;
+ struct gl_sampler_object *msamp;
+
+ texobj = st->ctx->Texture.Unit[texUnit]._Current;
+ if (!texobj) {
+ texobj = st_get_default_texture(st);
+ }
+
+ msamp = _mesa_get_samplerobj(st->ctx, texUnit);
+ sampler->wrap_s = gl_wrap_xlate(msamp->WrapS);
+ sampler->wrap_t = gl_wrap_xlate(msamp->WrapT);
+ sampler->wrap_r = gl_wrap_xlate(msamp->WrapR);
+
+ sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter);
+ sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter);
+ sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter);
+
+ if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
+ sampler->normalized_coords = 1;
+
+ sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias +
+ msamp->LodBias;
+
+ sampler->min_lod = CLAMP(msamp->MinLod,
+ 0.0f,
+ (GLfloat) texobj->MaxLevel - texobj->BaseLevel);
+ sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,
+ msamp->MaxLod);
+ if (sampler->max_lod < sampler->min_lod) {
+ /* The GL spec doesn't seem to specify what to do in this case.
+ * Swap the values.
+ */
+ float tmp = sampler->max_lod;
+ sampler->max_lod = sampler->min_lod;
+ sampler->min_lod = tmp;
+ assert(sampler->min_lod <= sampler->max_lod);
+ }
+
+ if (msamp->BorderColor.ui[0] ||
+ msamp->BorderColor.ui[1] ||
+ msamp->BorderColor.ui[2] ||
+ msamp->BorderColor.ui[3]) {
+ struct gl_texture_image *teximg;
+
+ teximg = texobj->Image[0][texobj->BaseLevel];
+
+ st_translate_color(msamp->BorderColor.f,
+ teximg ? teximg->_BaseFormat : GL_RGBA,
+ sampler->border_color);
+ }
+
+ sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
+ 0 : (GLuint) msamp->MaxAnisotropy);
+
+ /* only care about ARB_shadow, not SGI shadow */
+ if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
+ sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
+ sampler->compare_func
+ = st_compare_func_to_pipe(msamp->CompareFunc);
+ }
+
+ sampler->seamless_cube_map =
+ st->ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless;
+}
-static void
-update_samplers(struct st_context *st)
+static void
+update_vertex_samplers(struct st_context *st)
{
struct gl_vertex_program *vprog = st->ctx->VertexProgram._Current;
+ GLuint su;
+
+ st->state.num_vertex_samplers = 0;
+
+ /* loop over sampler units (aka tex image units) */
+ for (su = 0; su < st->ctx->Const.MaxVertexTextureImageUnits; su++) {
+ struct pipe_sampler_state *sampler = st->state.vertex_samplers + su;
+
+ memset(sampler, 0, sizeof(*sampler));
+
+ if (vprog->Base.SamplersUsed & (1 << su)) {
+ GLuint texUnit;
+
+ texUnit = vprog->Base.SamplerUnits[su];
+
+ convert_sampler(st, sampler, texUnit);
+
+ st->state.num_vertex_samplers = su + 1;
+
+ cso_single_vertex_sampler(st->cso_context, su, sampler);
+ } else {
+ cso_single_vertex_sampler(st->cso_context, su, NULL);
+ }
+ }
+ cso_single_vertex_sampler_done(st->cso_context);
+}
+
+static void
+update_fragment_samplers(struct st_context *st)
+{
struct gl_fragment_program *fprog = st->ctx->FragmentProgram._Current;
- const GLbitfield samplersUsed = (vprog->Base.SamplersUsed |
- fprog->Base.SamplersUsed);
GLuint su;
st->state.num_samplers = 0;
@@ -138,95 +234,33 @@ update_samplers(struct st_context *st) memset(sampler, 0, sizeof(*sampler));
- if (samplersUsed & (1 << su)) {
- struct gl_texture_object *texobj;
- struct gl_texture_image *teximg;
- struct gl_sampler_object *msamp;
+ if (fprog->Base.SamplersUsed & (1 << su)) {
GLuint texUnit;
- if (fprog->Base.SamplersUsed & (1 << su))
- texUnit = fprog->Base.SamplerUnits[su];
- else
- texUnit = vprog->Base.SamplerUnits[su];
-
- texobj = st->ctx->Texture.Unit[texUnit]._Current;
- if (!texobj) {
- texobj = st_get_default_texture(st);
- }
-
- teximg = texobj->Image[0][texobj->BaseLevel];
-
- msamp = _mesa_get_samplerobj(st->ctx, texUnit);
-
- sampler->wrap_s = gl_wrap_xlate(msamp->WrapS);
- sampler->wrap_t = gl_wrap_xlate(msamp->WrapT);
- sampler->wrap_r = gl_wrap_xlate(msamp->WrapR);
-
- sampler->min_img_filter = gl_filter_to_img_filter(msamp->MinFilter);
- sampler->min_mip_filter = gl_filter_to_mip_filter(msamp->MinFilter);
- sampler->mag_img_filter = gl_filter_to_img_filter(msamp->MagFilter);
-
- if (texobj->Target != GL_TEXTURE_RECTANGLE_ARB)
- sampler->normalized_coords = 1;
-
- sampler->lod_bias = st->ctx->Texture.Unit[texUnit].LodBias +
- msamp->LodBias;
-
- sampler->min_lod = CLAMP(msamp->MinLod,
- 0.0f,
- (GLfloat) texobj->MaxLevel - texobj->BaseLevel);
- sampler->max_lod = MIN2((GLfloat) texobj->MaxLevel - texobj->BaseLevel,
- msamp->MaxLod);
- if (sampler->max_lod < sampler->min_lod) {
- /* The GL spec doesn't seem to specify what to do in this case.
- * Swap the values.
- */
- float tmp = sampler->max_lod;
- sampler->max_lod = sampler->min_lod;
- sampler->min_lod = tmp;
- assert(sampler->min_lod <= sampler->max_lod);
- }
-
- st_translate_color(msamp->BorderColor.f,
- teximg ? teximg->_BaseFormat : GL_RGBA,
- sampler->border_color);
-
- sampler->max_anisotropy = (msamp->MaxAnisotropy == 1.0 ?
- 0 : (GLuint) msamp->MaxAnisotropy);
-
- /* only care about ARB_shadow, not SGI shadow */
- if (msamp->CompareMode == GL_COMPARE_R_TO_TEXTURE) {
- sampler->compare_mode = PIPE_TEX_COMPARE_R_TO_TEXTURE;
- sampler->compare_func
- = st_compare_func_to_pipe(msamp->CompareFunc);
- }
-
- sampler->seamless_cube_map =
- st->ctx->Texture.CubeMapSeamless || msamp->CubeMapSeamless;
+ texUnit = fprog->Base.SamplerUnits[su];
+
+ convert_sampler(st, sampler, texUnit);
st->state.num_samplers = su + 1;
/*printf("%s su=%u non-null\n", __FUNCTION__, su);*/
cso_single_sampler(st->cso_context, su, sampler);
- if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
- cso_single_vertex_sampler(st->cso_context, su, sampler);
- }
}
else {
/*printf("%s su=%u null\n", __FUNCTION__, su);*/
cso_single_sampler(st->cso_context, su, NULL);
- if (su < st->ctx->Const.MaxVertexTextureImageUnits) {
- cso_single_vertex_sampler(st->cso_context, su, NULL);
- }
}
}
cso_single_sampler_done(st->cso_context);
- if (st->ctx->Const.MaxVertexTextureImageUnits > 0) {
- cso_single_vertex_sampler_done(st->cso_context);
- }
}
+static void
+update_samplers(struct st_context *st)
+{
+ update_fragment_samplers(st);
+ update_vertex_samplers(st);
+}
const struct st_tracked_state st_update_sampler = {
"st_update_sampler", /* name */
|