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Diffstat (limited to 'src/gallium/drivers/i965/brw_pipe_sampler.c')
-rw-r--r--src/gallium/drivers/i965/brw_pipe_sampler.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_sampler.c b/src/gallium/drivers/i965/brw_pipe_sampler.c
deleted file mode 100644
index 3fe753ec42c..00000000000
--- a/src/gallium/drivers/i965/brw_pipe_sampler.c
+++ /dev/null
@@ -1,259 +0,0 @@
-
-#include "util/u_memory.h"
-#include "util/u_math.h"
-
-#include "pipe/p_context.h"
-#include "pipe/p_state.h"
-#include "util/u_inlines.h"
-
-#include "brw_context.h"
-#include "brw_defines.h"
-
-
-
-/* The brw (and related graphics cores) do not support GL_CLAMP. The
- * Intel drivers for "other operating systems" implement GL_CLAMP as
- * GL_CLAMP_TO_EDGE, so the same is done here.
- */
-static GLuint translate_wrap_mode( unsigned wrap )
-{
- switch( wrap ) {
- case PIPE_TEX_WRAP_REPEAT:
- return BRW_TEXCOORDMODE_WRAP;
-
- case PIPE_TEX_WRAP_CLAMP:
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
- return BRW_TEXCOORDMODE_CLAMP;
-
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
- return BRW_TEXCOORDMODE_CLAMP_BORDER;
-
- case PIPE_TEX_WRAP_MIRROR_REPEAT:
- return BRW_TEXCOORDMODE_MIRROR;
-
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
- return BRW_TEXCOORDMODE_MIRROR_ONCE;
-
- default:
- return BRW_TEXCOORDMODE_WRAP;
- }
-}
-
-static GLuint translate_img_filter( unsigned filter )
-{
- switch (filter) {
- case PIPE_TEX_FILTER_NEAREST:
- return BRW_MAPFILTER_NEAREST;
- case PIPE_TEX_FILTER_LINEAR:
- return BRW_MAPFILTER_LINEAR;
- default:
- assert(0);
- return BRW_MAPFILTER_NEAREST;
- }
-}
-
-static GLuint translate_mip_filter( unsigned filter )
-{
- switch (filter) {
- case PIPE_TEX_MIPFILTER_NONE:
- return BRW_MIPFILTER_NONE;
- case PIPE_TEX_MIPFILTER_NEAREST:
- return BRW_MIPFILTER_NEAREST;
- case PIPE_TEX_MIPFILTER_LINEAR:
- return BRW_MIPFILTER_LINEAR;
- default:
- assert(0);
- return BRW_MIPFILTER_NONE;
- }
-}
-
-/* XXX: not sure why there are special translations for the shadow tex
- * compare functions. In particular ALWAYS is translated to NEVER.
- * Is this a hardware issue? Does i965 really suffer from this?
- */
-static GLuint translate_shadow_compare_func( unsigned func )
-{
- switch (func) {
- case PIPE_FUNC_NEVER:
- return BRW_COMPAREFUNCTION_ALWAYS;
- case PIPE_FUNC_LESS:
- return BRW_COMPAREFUNCTION_LEQUAL;
- case PIPE_FUNC_LEQUAL:
- return BRW_COMPAREFUNCTION_LESS;
- case PIPE_FUNC_GREATER:
- return BRW_COMPAREFUNCTION_GEQUAL;
- case PIPE_FUNC_GEQUAL:
- return BRW_COMPAREFUNCTION_GREATER;
- case PIPE_FUNC_NOTEQUAL:
- return BRW_COMPAREFUNCTION_EQUAL;
- case PIPE_FUNC_EQUAL:
- return BRW_COMPAREFUNCTION_NOTEQUAL;
- case PIPE_FUNC_ALWAYS:
- return BRW_COMPAREFUNCTION_NEVER;
- default:
- assert(0);
- return BRW_COMPAREFUNCTION_NEVER;
- }
-}
-
-
-
-
-static void *
-brw_create_sampler_state( struct pipe_context *pipe,
- const struct pipe_sampler_state *template )
-{
- struct brw_sampler *sampler = CALLOC_STRUCT(brw_sampler);
-
- sampler->ss0.min_filter = translate_img_filter( template->min_img_filter );
- sampler->ss0.mag_filter = translate_img_filter( template->mag_img_filter );
- sampler->ss0.mip_filter = translate_mip_filter( template->min_mip_filter );
-
-
- /* XXX: anisotropy logic slightly changed:
- */
- if (template->max_anisotropy > 1) {
- sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC;
- sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC;
-
- sampler->ss3.max_aniso = MIN2((template->max_anisotropy - 2) / 2,
- BRW_ANISORATIO_16);
- }
-
- sampler->ss1.r_wrap_mode = translate_wrap_mode(template->wrap_r);
- sampler->ss1.s_wrap_mode = translate_wrap_mode(template->wrap_s);
- sampler->ss1.t_wrap_mode = translate_wrap_mode(template->wrap_t);
-
- /* Set LOD bias:
- */
- sampler->ss0.lod_bias =
- util_signed_fixed(CLAMP(template->lod_bias, -16, 15), 6);
-
-
- sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
- sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
-
- /* Set shadow function:
- */
- if (template->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
-
- /* Shadowing is "enabled" by emitting a particular sampler
- * message (sample_c). So need to recompile WM program when
- * shadow comparison is enabled on each/any texture unit.
- */
- sampler->ss0.shadow_function =
- translate_shadow_compare_func(template->compare_func);
- }
-
- /* Set BaseMipLevel, MaxLOD, MinLOD:
- */
- sampler->ss0.base_level =
- util_unsigned_fixed(0, 1);
-
- sampler->ss1.max_lod =
- util_unsigned_fixed(CLAMP(template->max_lod, 0, 13), 6);
-
- sampler->ss1.min_lod =
- util_unsigned_fixed(CLAMP(template->min_lod, 0, 13), 6);
-
- return (void *)sampler;
-}
-
-static void brw_bind_sampler_state(struct pipe_context *pipe,
- unsigned num, void **sampler)
-{
- struct brw_context *brw = brw_context(pipe);
- int i;
-
- for (i = 0; i < num; i++)
- brw->curr.sampler[i] = sampler[i];
-
- for (i = num; i < brw->curr.num_samplers; i++)
- brw->curr.sampler[i] = NULL;
-
- brw->curr.num_samplers = num;
- brw->state.dirty.mesa |= PIPE_NEW_SAMPLERS;
-}
-
-static void brw_delete_sampler_state(struct pipe_context *pipe,
- void *cso)
-{
- FREE(cso);
-}
-
-static void brw_set_fragment_sampler_views(struct pipe_context *pipe,
- unsigned num,
- struct pipe_sampler_view **views)
-{
- struct brw_context *brw = brw_context(pipe);
- int i;
-
- for (i = 0; i < num; i++)
- pipe_sampler_view_reference(&brw->curr.fragment_sampler_views[i], views[i]);
-
- for (i = num; i < brw->curr.num_fragment_sampler_views; i++)
- pipe_sampler_view_reference(&brw->curr.fragment_sampler_views[i], NULL);
-
- brw->curr.num_fragment_sampler_views = num;
- brw->state.dirty.mesa |= PIPE_NEW_BOUND_TEXTURES;
-}
-
-static void brw_set_vertex_sampler_views(struct pipe_context *pipe,
- unsigned num,
- struct pipe_sampler_view **views)
-{
-}
-
-static void brw_bind_vertex_sampler_state(struct pipe_context *pipe,
- unsigned num, void **sampler)
-{
-}
-
-
-static struct pipe_sampler_view *
-brw_create_sampler_view(struct pipe_context *pipe,
- struct pipe_resource *texture,
- const struct pipe_sampler_view *templ)
-{
- struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
-
- if (view) {
- *view = *templ;
- view->reference.count = 1;
- view->texture = NULL;
- pipe_resource_reference(&view->texture, texture);
- view->context = pipe;
- }
-
- return view;
-}
-
-
-static void
-brw_sampler_view_destroy(struct pipe_context *pipe,
- struct pipe_sampler_view *view)
-{
- pipe_resource_reference(&view->texture, NULL);
- FREE(view);
-}
-
-
-void brw_pipe_sampler_init( struct brw_context *brw )
-{
- brw->base.create_sampler_state = brw_create_sampler_state;
- brw->base.delete_sampler_state = brw_delete_sampler_state;
-
- brw->base.set_fragment_sampler_views = brw_set_fragment_sampler_views;
- brw->base.bind_fragment_sampler_states = brw_bind_sampler_state;
-
- brw->base.set_vertex_sampler_views = brw_set_vertex_sampler_views;
- brw->base.bind_vertex_sampler_states = brw_bind_vertex_sampler_state;
-
- brw->base.create_sampler_view = brw_create_sampler_view;
- brw->base.sampler_view_destroy = brw_sampler_view_destroy;
-}
-void brw_pipe_sampler_cleanup( struct brw_context *brw )
-{
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 14:09:41 +0000