/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "main/imports.h"
#include "main/mtypes.h"
+#include "main/framebuffer.h"
+#include "main/texobj.h"
+#include "main/texstate.h"
#include "program/program.h"
#include "pipe/p_context.h"
-
+#include "pipe/p_shader_tokens.h"
#include "util/u_simple_shaders.h"
-
#include "cso_cache/cso_context.h"
+#include "util/u_debug.h"
#include "st_context.h"
#include "st_atom.h"
#include "st_program.h"
+#include "st_texture.h"
-/**
- * Return pointer to a pass-through fragment shader.
- * This shader is used when a texture is missing/incomplete.
- */
-static void *
-get_passthrough_fs(struct st_context *st)
+static unsigned
+get_texture_target(struct gl_context *ctx, const unsigned unit)
{
- if (!st->passthrough_fs) {
- st->passthrough_fs =
- util_make_fragment_passthrough_shader(st->pipe);
+ struct gl_texture_object *texObj = _mesa_get_tex_unit(ctx, unit)->_Current;
+ gl_texture_index index;
+
+ if (texObj) {
+ index = _mesa_tex_target_to_index(ctx, texObj->Target);
+ } else {
+ /* fallback for missing texture */
+ index = TEXTURE_2D_INDEX;
}
- return st->passthrough_fs;
+ /* Map mesa texture target to TGSI texture target.
+ * Copied from st_mesa_to_tgsi.c, the shadow part is omitted */
+ switch(index) {
+ case TEXTURE_2D_MULTISAMPLE_INDEX: return TGSI_TEXTURE_2D_MSAA;
+ case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY_MSAA;
+ case TEXTURE_BUFFER_INDEX: return TGSI_TEXTURE_BUFFER;
+ case TEXTURE_1D_INDEX: return TGSI_TEXTURE_1D;
+ case TEXTURE_2D_INDEX: return TGSI_TEXTURE_2D;
+ case TEXTURE_3D_INDEX: return TGSI_TEXTURE_3D;
+ case TEXTURE_CUBE_INDEX: return TGSI_TEXTURE_CUBE;
+ case TEXTURE_CUBE_ARRAY_INDEX: return TGSI_TEXTURE_CUBE_ARRAY;
+ case TEXTURE_RECT_INDEX: return TGSI_TEXTURE_RECT;
+ case TEXTURE_1D_ARRAY_INDEX: return TGSI_TEXTURE_1D_ARRAY;
+ case TEXTURE_2D_ARRAY_INDEX: return TGSI_TEXTURE_2D_ARRAY;
+ case TEXTURE_EXTERNAL_INDEX: return TGSI_TEXTURE_2D;
+ default:
+ debug_assert(0);
+ return TGSI_TEXTURE_1D;
+ }
}
* Update fragment program state/atom. This involves translating the
* Mesa fragment program into a gallium fragment program and binding it.
*/
-static void
-update_fp( struct st_context *st )
+void
+st_update_fp( struct st_context *st )
{
struct st_fragment_program *stfp;
struct st_fp_variant_key key;
assert(st->ctx->FragmentProgram._Current);
stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
- assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB);
-
- memset(&key, 0, sizeof(key));
- key.st = st;
-
- /* _NEW_FRAG_CLAMP */
- key.clamp_color = st->clamp_frag_color_in_shader &&
- st->ctx->Color._ClampFragmentColor;
-
- st->fp_variant = st_get_fp_variant(st, stfp, &key);
+ assert(stfp->Base.Target == GL_FRAGMENT_PROGRAM_ARB);
+
+ void *shader;
+
+ if (st->shader_has_one_variant[MESA_SHADER_FRAGMENT] &&
+ !stfp->ati_fs && /* ATI_fragment_shader always has multiple variants */
+ !stfp->Base.ExternalSamplersUsed && /* external samplers need variants */
+ stfp->variants) {
+ shader = stfp->variants->driver_shader;
+ } else {
+ memset(&key, 0, sizeof(key));
+ key.st = st->has_shareable_shaders ? NULL : st;
+
+ /* _NEW_FRAG_CLAMP */
+ key.clamp_color = st->clamp_frag_color_in_shader &&
+ st->ctx->Color._ClampFragmentColor;
+
+ /* _NEW_MULTISAMPLE | _NEW_BUFFERS */
+ key.persample_shading =
+ st->force_persample_in_shader &&
+ _mesa_is_multisample_enabled(st->ctx) &&
+ st->ctx->Multisample.SampleShading &&
+ st->ctx->Multisample.MinSampleShadingValue *
+ _mesa_geometric_samples(st->ctx->DrawBuffer) > 1;
+
+ if (stfp->ati_fs) {
+ key.fog = st->ctx->Fog._PackedEnabledMode;
+
+ for (unsigned u = 0; u < MAX_NUM_FRAGMENT_REGISTERS_ATI; u++) {
+ key.texture_targets[u] = get_texture_target(st->ctx, u);
+ }
+ }
+
+ key.external = st_get_external_sampler_key(st, &stfp->Base);
+
+ shader = st_get_fp_variant(st, stfp, &key)->driver_shader;
+ }
st_reference_fragprog(st, &st->fp, stfp);
- if (st->missing_textures) {
- /* use a pass-through frag shader that uses no textures */
- void *fs = get_passthrough_fs(st);
- cso_set_fragment_shader_handle(st->cso_context, fs);
- }
- else {
- cso_set_fragment_shader_handle(st->cso_context,
- st->fp_variant->driver_shader);
- }
+ cso_set_fragment_shader_handle(st->cso_context, shader);
}
-const struct st_tracked_state st_update_fp = {
- "st_update_fp", /* name */
- { /* dirty */
- 0, /* mesa */
- ST_NEW_FRAGMENT_PROGRAM /* st */
- },
- update_fp /* update */
-};
-
-
-
/**
* Update vertex program state/atom. This involves translating the
* Mesa vertex program into a gallium fragment program and binding it.
*/
-static void
-update_vp( struct st_context *st )
+void
+st_update_vp( struct st_context *st )
{
struct st_vertex_program *stvp;
struct st_vp_variant_key key;
*/
assert(st->ctx->VertexProgram._Current);
stvp = st_vertex_program(st->ctx->VertexProgram._Current);
- assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB);
+ assert(stvp->Base.Target == GL_VERTEX_PROGRAM_ARB);
+
+ if (st->shader_has_one_variant[MESA_SHADER_VERTEX] &&
+ stvp->variants &&
+ stvp->variants->key.passthrough_edgeflags == st->vertdata_edgeflags) {
+ st->vp_variant = stvp->variants;
+ } else {
+ memset(&key, 0, sizeof key);
+ key.st = st->has_shareable_shaders ? NULL : st;
+
+ /* When this is true, we will add an extra input to the vertex
+ * shader translation (for edgeflags), an extra output with
+ * edgeflag semantics, and extend the vertex shader to pass through
+ * the input to the output. We'll need to use similar logic to set
+ * up the extra vertex_element input for edgeflags.
+ */
+ key.passthrough_edgeflags = st->vertdata_edgeflags;
+
+ key.clamp_color = st->clamp_vert_color_in_shader &&
+ st->ctx->Light._ClampVertexColor &&
+ (stvp->Base.info.outputs_written &
+ (VARYING_SLOT_COL0 |
+ VARYING_SLOT_COL1 |
+ VARYING_SLOT_BFC0 |
+ VARYING_SLOT_BFC1));
+
+ st->vp_variant = st_get_vp_variant(st, stvp, &key);
+ }
- memset(&key, 0, sizeof key);
- key.st = st; /* variants are per-context */
+ st_reference_vertprog(st, &st->vp, stvp);
- /* When this is true, we will add an extra input to the vertex
- * shader translation (for edgeflags), an extra output with
- * edgeflag semantics, and extend the vertex shader to pass through
- * the input to the output. We'll need to use similar logic to set
- * up the extra vertex_element input for edgeflags.
- * _NEW_POLYGON, ST_NEW_EDGEFLAGS_DATA
- */
- key.passthrough_edgeflags = (st->vertdata_edgeflags && (
- st->ctx->Polygon.FrontMode != GL_FILL ||
- st->ctx->Polygon.BackMode != GL_FILL));
+ cso_set_vertex_shader_handle(st->cso_context,
+ st->vp_variant->driver_shader);
+}
- key.clamp_color = st->clamp_vert_color_in_shader &&
- st->ctx->Light._ClampVertexColor;
- st->vp_variant = st_get_vp_variant(st, stvp, &key);
+void
+st_update_gp( struct st_context *st )
+{
+ struct st_common_program *stgp;
- st_reference_vertprog(st, &st->vp, stvp);
+ if (!st->ctx->GeometryProgram._Current) {
+ cso_set_geometry_shader_handle(st->cso_context, NULL);
+ st_reference_prog(st, &st->gp, NULL);
+ return;
+ }
- cso_set_vertex_shader_handle(st->cso_context,
- st->vp_variant->driver_shader);
+ stgp = st_common_program(st->ctx->GeometryProgram._Current);
+ assert(stgp->Base.Target == GL_GEOMETRY_PROGRAM_NV);
+
+ void *shader;
- st->vertex_result_to_slot = stvp->result_to_output;
+ if (st->shader_has_one_variant[MESA_SHADER_GEOMETRY] && stgp->variants) {
+ shader = stgp->variants->driver_shader;
+ } else {
+ shader = st_get_basic_variant(st, PIPE_SHADER_GEOMETRY, &stgp->tgsi,
+ &stgp->variants)->driver_shader;
+ }
+
+ st_reference_prog(st, &st->gp, stgp);
+
+ cso_set_geometry_shader_handle(st->cso_context, shader);
}
-const struct st_tracked_state st_update_vp = {
- "st_update_vp", /* name */
- { /* dirty */
- _NEW_POLYGON, /* mesa */
- ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */
- },
- update_vp /* update */
-};
+void
+st_update_tcp( struct st_context *st )
+{
+ struct st_common_program *sttcp;
+
+ if (!st->ctx->TessCtrlProgram._Current) {
+ cso_set_tessctrl_shader_handle(st->cso_context, NULL);
+ st_reference_prog(st, &st->tcp, NULL);
+ return;
+ }
+
+ sttcp = st_common_program(st->ctx->TessCtrlProgram._Current);
+ assert(sttcp->Base.Target == GL_TESS_CONTROL_PROGRAM_NV);
+
+ void *shader;
+ if (st->shader_has_one_variant[MESA_SHADER_TESS_CTRL] && sttcp->variants) {
+ shader = sttcp->variants->driver_shader;
+ } else {
+ shader = st_get_basic_variant(st, PIPE_SHADER_TESS_CTRL, &sttcp->tgsi,
+ &sttcp->variants)->driver_shader;
+ }
+ st_reference_prog(st, &st->tcp, sttcp);
-static void
-update_gp( struct st_context *st )
+ cso_set_tessctrl_shader_handle(st->cso_context, shader);
+}
+
+
+void
+st_update_tep( struct st_context *st )
{
- struct st_geometry_program *stgp;
- struct st_gp_variant_key key;
+ struct st_common_program *sttep;
- if (!st->ctx->GeometryProgram._Current) {
- cso_set_geometry_shader_handle(st->cso_context, NULL);
+ if (!st->ctx->TessEvalProgram._Current) {
+ cso_set_tesseval_shader_handle(st->cso_context, NULL);
+ st_reference_prog(st, &st->tep, NULL);
return;
}
- stgp = st_geometry_program(st->ctx->GeometryProgram._Current);
- assert(stgp->Base.Base.Target == MESA_GEOMETRY_PROGRAM);
+ sttep = st_common_program(st->ctx->TessEvalProgram._Current);
+ assert(sttep->Base.Target == GL_TESS_EVALUATION_PROGRAM_NV);
- memset(&key, 0, sizeof(key));
- key.st = st;
+ void *shader;
- st->gp_variant = st_get_gp_variant(st, stgp, &key);
+ if (st->shader_has_one_variant[MESA_SHADER_TESS_EVAL] && sttep->variants) {
+ shader = sttep->variants->driver_shader;
+ } else {
+ shader = st_get_basic_variant(st, PIPE_SHADER_TESS_EVAL, &sttep->tgsi,
+ &sttep->variants)->driver_shader;
+ }
- st_reference_geomprog(st, &st->gp, stgp);
+ st_reference_prog(st, &st->tep, sttep);
- cso_set_geometry_shader_handle(st->cso_context,
- st->gp_variant->driver_shader);
+ cso_set_tesseval_shader_handle(st->cso_context, shader);
}
-const struct st_tracked_state st_update_gp = {
- "st_update_gp", /* name */
- { /* dirty */
- 0, /* mesa */
- ST_NEW_GEOMETRY_PROGRAM /* st */
- },
- update_gp /* update */
-};
+
+void
+st_update_cp( struct st_context *st )
+{
+ struct st_compute_program *stcp;
+
+ if (!st->ctx->ComputeProgram._Current) {
+ cso_set_compute_shader_handle(st->cso_context, NULL);
+ st_reference_compprog(st, &st->cp, NULL);
+ return;
+ }
+
+ stcp = st_compute_program(st->ctx->ComputeProgram._Current);
+ assert(stcp->Base.Target == GL_COMPUTE_PROGRAM_NV);
+
+ void *shader;
+
+ if (st->shader_has_one_variant[MESA_SHADER_COMPUTE] && stcp->variants) {
+ shader = stcp->variants->driver_shader;
+ } else {
+ shader = st_get_cp_variant(st, &stcp->tgsi,
+ &stcp->variants)->driver_shader;
+ }
+
+ st_reference_compprog(st, &st->cp, stcp);
+
+ cso_set_compute_shader_handle(st->cso_context, shader);
+}
projects / mesa.git / blobdiff