* Brian Paul
*/
-
-
#include "main/imports.h"
#include "main/mtypes.h"
-#include "main/macros.h"
-#include "shader/program.h"
+#include "program/program.h"
#include "pipe/p_context.h"
-#include "pipe/p_shader_tokens.h"
#include "util/u_simple_shaders.h"
#include "st_context.h"
#include "st_atom.h"
#include "st_program.h"
-#include "st_atom_shader.h"
-#include "st_mesa_to_tgsi.h"
-
-
-
-
-
-/*
- * Translate fragment program if needed.
- */
-static void
-translate_fp(struct st_context *st,
- struct st_fragment_program *stfp)
-{
- const GLbitfield fragInputsRead = stfp->Base.Base.InputsRead;
-
- if (!stfp->state.tokens) {
- GLuint inAttr, numIn = 0;
-
- for (inAttr = 0; inAttr < FRAG_ATTRIB_MAX; inAttr++) {
- if (fragInputsRead & (1 << inAttr)) {
- stfp->input_to_slot[inAttr] = numIn;
- numIn++;
- }
- else {
- stfp->input_to_slot[inAttr] = -1;
- }
- }
-
- stfp->num_input_slots = numIn;
-
- assert(stfp->Base.Base.NumInstructions > 1);
-
- st_translate_fragment_program(st, stfp, stfp->input_to_slot);
- }
-}
-
/**
- * Find a translated vertex program that corresponds to stvp and
- * has outputs matched to stfp's inputs.
- * This performs vertex and fragment translation (to TGSI) when needed.
+ * Return pointer to a pass-through fragment shader.
+ * This shader is used when a texture is missing/incomplete.
*/
-static struct st_vp_varient *
-find_translated_vp(struct st_context *st,
- struct st_vertex_program *stvp )
-{
- struct st_vp_varient *vpv;
- struct st_vp_varient_key key;
-
- /* Nothing in our key yet. This will change:
- */
- memset(&key, 0, sizeof key);
-
- /* 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));
-
-
- /* Do we need to throw away old translations after a change in the
- * GL program string?
- */
- if (stvp->serialNo != stvp->lastSerialNo) {
- /* These may have changed if the program string changed.
- */
- st_prepare_vertex_program( st, stvp );
-
- /* We are now up-to-date:
- */
- stvp->lastSerialNo = stvp->serialNo;
- }
-
- /* See if we've got a translated vertex program whose outputs match
- * the fragment program's inputs.
- */
- for (vpv = stvp->varients; vpv; vpv = vpv->next) {
- if (memcmp(&vpv->key, &key, sizeof key) == 0) {
- break;
- }
- }
-
- /* No? Perform new translation here. */
- if (!vpv) {
- vpv = st_translate_vertex_program(st, stvp, &key);
- if (!vpv)
- return NULL;
-
- vpv->next = stvp->varients;
- stvp->varients = vpv;
- }
-
- return vpv;
-}
-
-
-
-
static void *
get_passthrough_fs(struct st_context *st)
{
return st->passthrough_fs;
}
+
+/**
+ * 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 )
{
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);
- translate_fp(st, stfp);
+ memset(&key, 0, sizeof(key));
+ key.st = st;
+
+ st->fp_variant = st_get_fp_variant(st, stfp, &key);
st_reference_fragprog(st, &st->fp, stfp);
cso_set_fragment_shader_handle(st->cso_context, fs);
}
else {
- cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader);
+ cso_set_fragment_shader_handle(st->cso_context,
+ st->fp_variant->driver_shader);
}
}
+
const struct st_tracked_state st_update_fp = {
"st_update_fp", /* name */
{ /* dirty */
-
+/**
+ * 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 )
{
struct st_vertex_program *stvp;
+ struct st_vp_variant_key key;
/* find active shader and params -- Should be covered by
* ST_NEW_VERTEX_PROGRAM
stvp = st_vertex_program(st->ctx->VertexProgram._Current);
assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB);
- st->vp_varient = find_translated_vp(st, stvp);
+ memset(&key, 0, sizeof key);
+ key.st = st; /* variants are per-context */
+
+ /* 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));
+
+ st->vp_variant = st_get_vp_variant(st, stvp, &key);
st_reference_vertprog(st, &st->vp, stvp);
cso_set_vertex_shader_handle(st->cso_context,
- st->vp_varient->driver_shader);
+ st->vp_variant->driver_shader);
st->vertex_result_to_slot = stvp->result_to_output;
}
_NEW_POLYGON, /* mesa */
ST_NEW_VERTEX_PROGRAM | ST_NEW_EDGEFLAGS_DATA /* st */
},
- update_vp /* update */
+ update_vp /* update */
+};
+
+
+
+static void
+update_gp( struct st_context *st )
+{
+ struct st_geometry_program *stgp;
+ struct st_gp_variant_key key;
+
+ if (!st->ctx->GeometryProgram._Current) {
+ cso_set_geometry_shader_handle(st->cso_context, NULL);
+ return;
+ }
+
+ stgp = st_geometry_program(st->ctx->GeometryProgram._Current);
+ assert(stgp->Base.Base.Target == MESA_GEOMETRY_PROGRAM);
+
+ memset(&key, 0, sizeof(key));
+ key.st = st;
+
+ st->gp_variant = st_get_gp_variant(st, stgp, &key);
+
+ st_reference_geomprog(st, &st->gp, stgp);
+
+ cso_set_geometry_shader_handle(st->cso_context,
+ st->gp_variant->driver_shader);
+}
+
+const struct st_tracked_state st_update_gp = {
+ "st_update_gp", /* name */
+ { /* dirty */
+ 0, /* mesa */
+ ST_NEW_GEOMETRY_PROGRAM /* st */
+ },
+ update_gp /* update */
};
projects / mesa.git / blobdiff