static struct pipe_sampler_view * st_get_texture_sampler_view_from_stobj(struct st_context *st, struct st_texture_object *stObj, enum pipe_format format, unsigned glsl_version) { struct pipe_sampler_view **sv; const struct st_texture_image *firstImage; if (!stObj || !stObj->pt) { return NULL; } sv = st_texture_get_sampler_view(st, stObj); if (util_format_is_depth_and_stencil(format)) { if (stObj->base.StencilSampling) format = util_format_stencil_only(format); else { firstImage = st_texture_image_const(_mesa_base_tex_image(&stObj->base)); if (firstImage->base._BaseFormat == GL_STENCIL_INDEX) format = util_format_stencil_only(format); } } /* if sampler view has changed dereference it */ if (*sv) { if (check_sampler_swizzle(stObj, *sv, glsl_version) || (format != (*sv)->format) || gl_target_to_pipe(stObj->base.Target) != (*sv)->target || stObj->base.MinLevel + stObj->base.BaseLevel != (*sv)->u.tex.first_level || last_level(stObj) != (*sv)->u.tex.last_level || stObj->base.MinLayer != (*sv)->u.tex.first_layer || last_layer(stObj) != (*sv)->u.tex.last_layer) { pipe_sampler_view_reference(sv, NULL); } } if (!*sv) { *sv = st_create_texture_sampler_view_from_stobj(st->pipe, stObj, format, glsl_version); } else if ((*sv)->context != st->pipe) { /* Recreate view in correct context, use existing view as template */ struct pipe_sampler_view *new_sv = st->pipe->create_sampler_view(st->pipe, stObj->pt, *sv); pipe_sampler_view_reference(sv, NULL); *sv = new_sv; } return *sv; }
struct pipe_sampler_view * st_get_texture_sampler_view_from_stobj(struct st_context *st, struct st_texture_object *stObj, const struct gl_sampler_object *samp, unsigned glsl_version) { struct pipe_sampler_view **sv; if (!stObj || !stObj->pt) { return NULL; } sv = st_texture_get_sampler_view(st, stObj); if (*sv) { /* Debug check: make sure that the sampler view's parameters are * what they're supposed to be. */ MAYBE_UNUSED struct pipe_sampler_view *view = *sv; assert(!check_sampler_swizzle(st, stObj, view, glsl_version)); assert(get_sampler_view_format(st, stObj, samp) == view->format); assert(gl_target_to_pipe(stObj->base.Target) == view->target); if (stObj->base.Target == GL_TEXTURE_BUFFER) { unsigned base = stObj->base.BufferOffset; MAYBE_UNUSED unsigned size = MIN2(stObj->pt->width0 - base, (unsigned) stObj->base.BufferSize); assert(view->u.buf.offset == base); assert(view->u.buf.size == size); } else { assert(stObj->base.MinLevel + stObj->base.BaseLevel == view->u.tex.first_level); assert(last_level(stObj) == view->u.tex.last_level); assert(stObj->layer_override || stObj->base.MinLayer == view->u.tex.first_layer); assert(stObj->layer_override || last_layer(stObj) == view->u.tex.last_layer); assert(!stObj->layer_override || (stObj->layer_override == view->u.tex.first_layer && stObj->layer_override == view->u.tex.last_layer)); } } else { /* create new sampler view */ enum pipe_format format = get_sampler_view_format(st, stObj, samp); *sv = st_create_texture_sampler_view_from_stobj(st, stObj, format, glsl_version); } return *sv; }
static struct pipe_sampler_view * st_get_texture_sampler_view_from_stobj(struct st_texture_object *stObj, struct pipe_context *pipe, const struct gl_sampler_object *samp, enum pipe_format format) { if (!stObj || !stObj->pt) { return NULL; } if (!stObj->sampler_view) { stObj->sampler_view = st_create_texture_sampler_view_from_stobj(pipe, stObj, samp, format); } return stObj->sampler_view; }
static struct pipe_sampler_view * st_get_texture_sampler_view_from_stobj(struct st_context *st, struct st_texture_object *stObj, const struct gl_sampler_object *samp, enum pipe_format format) { struct pipe_sampler_view **sv; if (!stObj || !stObj->pt) { return NULL; } sv = st_texture_get_sampler_view(st, stObj); if (stObj->base.StencilSampling && util_format_is_depth_and_stencil(format)) format = util_format_stencil_only(format); /* if sampler view has changed dereference it */ if (*sv) { if (check_sampler_swizzle(stObj, *sv) || (format != (*sv)->format) || stObj->base.BaseLevel != (*sv)->u.tex.first_level) { pipe_sampler_view_reference(sv, NULL); } } if (!*sv) { *sv = st_create_texture_sampler_view_from_stobj(st->pipe, stObj, samp, format); } else if ((*sv)->context != st->pipe) { /* Recreate view in correct context, use existing view as template */ struct pipe_sampler_view *new_sv = st->pipe->create_sampler_view(st->pipe, stObj->pt, *sv); pipe_sampler_view_reference(sv, NULL); *sv = new_sv; } return *sv; }