#include "main/imports.h"
+#include "main/hash.h"
#include "main/mtypes.h"
+#include "program/prog_parameter.h"
#include "program/prog_print.h"
#include "program/programopt.h"
#include "tgsi/tgsi_ureg.h"
#include "st_debug.h"
+#include "st_cb_bitmap.h"
+#include "st_cb_drawpixels.h"
#include "st_context.h"
#include "st_program.h"
#include "st_mesa_to_tgsi.h"
+/**
+ * Delete a vertex program variant. Note the caller must unlink
+ * the variant from the linked list.
+ */
+static void
+delete_vp_variant(struct st_context *st, struct st_vp_variant *vpv)
+{
+ if (vpv->driver_shader)
+ cso_delete_vertex_shader(st->cso_context, vpv->driver_shader);
+
+ if (vpv->draw_shader)
+ draw_delete_vertex_shader( st->draw, vpv->draw_shader );
+
+ if (vpv->tgsi.tokens)
+ st_free_tokens(vpv->tgsi.tokens);
+
+ free( vpv );
+}
+
+
+
/**
* Clean out any old compilations:
*/
void
-st_vp_release_varients( struct st_context *st,
+st_release_vp_variants( struct st_context *st,
struct st_vertex_program *stvp )
{
- struct st_vp_varient *vpv;
+ struct st_vp_variant *vpv;
- for (vpv = stvp->varients; vpv; ) {
- struct st_vp_varient *next = vpv->next;
+ for (vpv = stvp->variants; vpv; ) {
+ struct st_vp_variant *next = vpv->next;
+ delete_vp_variant(st, vpv);
+ vpv = next;
+ }
- if (vpv->driver_shader)
- cso_delete_vertex_shader(st->cso_context, vpv->driver_shader);
-
-#if FEATURE_feedback || FEATURE_rastpos
- if (vpv->draw_shader)
- draw_delete_vertex_shader( st->draw, vpv->draw_shader );
-#endif
-
- if (vpv->tgsi.tokens)
- st_free_tokens(vpv->tgsi.tokens);
+ stvp->variants = NULL;
+}
+
+
+
+/**
+ * Delete a fragment program variant. Note the caller must unlink
+ * the variant from the linked list.
+ */
+static void
+delete_fp_variant(struct st_context *st, struct st_fp_variant *fpv)
+{
+ if (fpv->driver_shader)
+ cso_delete_fragment_shader(st->cso_context, fpv->driver_shader);
+ if (fpv->parameters)
+ _mesa_free_parameter_list(fpv->parameters);
+ if (fpv->tgsi.tokens)
+ st_free_tokens(fpv->tgsi.tokens);
+ free(fpv);
+}
+
+
+/**
+ * Free all variants of a fragment program.
+ */
+void
+st_release_fp_variants(struct st_context *st, struct st_fragment_program *stfp)
+{
+ struct st_fp_variant *fpv;
+
+ for (fpv = stfp->variants; fpv; ) {
+ struct st_fp_variant *next = fpv->next;
+ delete_fp_variant(st, fpv);
+ fpv = next;
+ }
+
+ stfp->variants = NULL;
+}
+
+
+/**
+ * Delete a geometry program variant. Note the caller must unlink
+ * the variant from the linked list.
+ */
+static void
+delete_gp_variant(struct st_context *st, struct st_gp_variant *gpv)
+{
+ if (gpv->driver_shader)
+ cso_delete_geometry_shader(st->cso_context, gpv->driver_shader);
- FREE( vpv );
+ free(gpv);
+}
- vpv = next;
+
+/**
+ * Free all variants of a geometry program.
+ */
+void
+st_release_gp_variants(struct st_context *st, struct st_geometry_program *stgp)
+{
+ struct st_gp_variant *gpv;
+
+ for (gpv = stgp->variants; gpv; ) {
+ struct st_gp_variant *next = gpv->next;
+ delete_gp_variant(st, gpv);
+ gpv = next;
}
- stvp->varients = NULL;
+ stgp->variants = NULL;
}
/**
* Translate a Mesa vertex shader into a TGSI shader.
- * \param outputMapping to map vertex program output registers (VERT_RESULT_x)
+ * \param outputMapping to map vertex program output registers (VARYING_SLOT_x)
* to TGSI output slots
* \param tokensOut destination for TGSI tokens
* \return pointer to cached pipe_shader object.
*/
void
-st_prepare_vertex_program(struct st_context *st,
+st_prepare_vertex_program(struct gl_context *ctx,
struct st_vertex_program *stvp)
{
+ struct st_context *st = st_context(ctx);
GLuint attr;
stvp->num_inputs = 0;
stvp->num_outputs = 0;
if (stvp->Base.IsPositionInvariant)
- _mesa_insert_mvp_code(st->ctx, &stvp->Base);
+ _mesa_insert_mvp_code(ctx, &stvp->Base);
- assert(stvp->Base.Base.NumInstructions > 1);
+ if (!stvp->glsl_to_tgsi)
+ assert(stvp->Base.Base.NumInstructions > 1);
/*
* Determine number of inputs, the mappings between VERT_ATTRIB_x
* and TGSI generic input indexes, plus input attrib semantic info.
*/
for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
- if (stvp->Base.Base.InputsRead & (1 << attr)) {
+ if ((stvp->Base.Base.InputsRead & BITFIELD64_BIT(attr)) != 0) {
stvp->input_to_index[attr] = stvp->num_inputs;
stvp->index_to_input[stvp->num_inputs] = attr;
stvp->num_inputs++;
/* Compute mapping of vertex program outputs to slots.
*/
- for (attr = 0; attr < VERT_RESULT_MAX; attr++) {
+ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) {
if ((stvp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) == 0) {
stvp->result_to_output[attr] = ~0;
}
stvp->result_to_output[attr] = slot;
switch (attr) {
- case VERT_RESULT_HPOS:
+ case VARYING_SLOT_POS:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
stvp->output_semantic_index[slot] = 0;
break;
- case VERT_RESULT_COL0:
+ case VARYING_SLOT_COL0:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
stvp->output_semantic_index[slot] = 0;
break;
- case VERT_RESULT_COL1:
+ case VARYING_SLOT_COL1:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
stvp->output_semantic_index[slot] = 1;
break;
- case VERT_RESULT_BFC0:
+ case VARYING_SLOT_BFC0:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
stvp->output_semantic_index[slot] = 0;
break;
- case VERT_RESULT_BFC1:
+ case VARYING_SLOT_BFC1:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
stvp->output_semantic_index[slot] = 1;
break;
- case VERT_RESULT_FOGC:
+ case VARYING_SLOT_FOGC:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
stvp->output_semantic_index[slot] = 0;
break;
- case VERT_RESULT_PSIZ:
+ case VARYING_SLOT_PSIZ:
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
stvp->output_semantic_index[slot] = 0;
break;
- case VERT_RESULT_EDGE:
+ case VARYING_SLOT_CLIP_DIST0:
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ stvp->output_semantic_index[slot] = 0;
+ break;
+ case VARYING_SLOT_CLIP_DIST1:
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ stvp->output_semantic_index[slot] = 1;
+ break;
+ case VARYING_SLOT_EDGE:
assert(0);
break;
+ case VARYING_SLOT_CLIP_VERTEX:
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX;
+ stvp->output_semantic_index[slot] = 0;
+ break;
- case VERT_RESULT_TEX0:
- case VERT_RESULT_TEX1:
- case VERT_RESULT_TEX2:
- case VERT_RESULT_TEX3:
- case VERT_RESULT_TEX4:
- case VERT_RESULT_TEX5:
- case VERT_RESULT_TEX6:
- case VERT_RESULT_TEX7:
- stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stvp->output_semantic_index[slot] = attr - VERT_RESULT_TEX0;
+ case VARYING_SLOT_TEX0:
+ case VARYING_SLOT_TEX1:
+ case VARYING_SLOT_TEX2:
+ case VARYING_SLOT_TEX3:
+ case VARYING_SLOT_TEX4:
+ case VARYING_SLOT_TEX5:
+ case VARYING_SLOT_TEX6:
+ case VARYING_SLOT_TEX7:
+ stvp->output_semantic_name[slot] = st->needs_texcoord_semantic ?
+ TGSI_SEMANTIC_TEXCOORD : TGSI_SEMANTIC_GENERIC;
+ stvp->output_semantic_index[slot] = attr - VARYING_SLOT_TEX0;
break;
- case VERT_RESULT_VAR0:
+ case VARYING_SLOT_VAR0:
default:
- assert(attr < VERT_RESULT_MAX);
+ assert(attr < VARYING_SLOT_MAX);
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stvp->output_semantic_index[slot] = (FRAG_ATTRIB_VAR0 -
- FRAG_ATTRIB_TEX0 +
- attr -
- VERT_RESULT_VAR0);
+ stvp->output_semantic_index[slot] = st->needs_texcoord_semantic ?
+ (attr - VARYING_SLOT_VAR0) : (attr - VARYING_SLOT_TEX0);
break;
}
}
}
/* similar hack to above, presetup potentially unused edgeflag output */
- stvp->result_to_output[VERT_RESULT_EDGE] = stvp->num_outputs;
+ stvp->result_to_output[VARYING_SLOT_EDGE] = stvp->num_outputs;
stvp->output_semantic_name[stvp->num_outputs] = TGSI_SEMANTIC_EDGEFLAG;
stvp->output_semantic_index[stvp->num_outputs] = 0;
}
-struct st_vp_varient *
+/**
+ * Translate a vertex program to create a new variant.
+ */
+static struct st_vp_variant *
st_translate_vertex_program(struct st_context *st,
struct st_vertex_program *stvp,
- const struct st_vp_varient_key *key)
+ const struct st_vp_variant_key *key)
{
- struct st_vp_varient *vpv = CALLOC_STRUCT(st_vp_varient);
+ struct st_vp_variant *vpv = CALLOC_STRUCT(st_vp_variant);
struct pipe_context *pipe = st->pipe;
struct ureg_program *ureg;
enum pipe_error error;
unsigned num_outputs;
- _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
- _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING);
+ st_prepare_vertex_program(st->ctx, stvp);
+
+ if (!stvp->glsl_to_tgsi)
+ {
+ _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT);
+ }
ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
if (ureg == NULL) {
- FREE(vpv);
+ free(vpv);
return NULL;
}
debug_printf("\n");
}
- error =
- st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_VERTEX,
- ureg,
- &stvp->Base.Base,
- /* inputs */
- vpv->num_inputs,
- stvp->input_to_index,
- NULL, /* input semantic name */
- NULL, /* input semantic index */
- NULL,
- /* outputs */
- num_outputs,
- stvp->result_to_output,
- stvp->output_semantic_name,
- stvp->output_semantic_index,
- key->passthrough_edgeflags );
+ if (stvp->glsl_to_tgsi)
+ error = st_translate_program(st->ctx,
+ TGSI_PROCESSOR_VERTEX,
+ ureg,
+ stvp->glsl_to_tgsi,
+ &stvp->Base.Base,
+ /* inputs */
+ stvp->num_inputs,
+ stvp->input_to_index,
+ NULL, /* input semantic name */
+ NULL, /* input semantic index */
+ NULL, /* interp mode */
+ NULL, /* is centroid */
+ /* outputs */
+ stvp->num_outputs,
+ stvp->result_to_output,
+ stvp->output_semantic_name,
+ stvp->output_semantic_index,
+ key->passthrough_edgeflags,
+ key->clamp_color);
+ else
+ error = st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_VERTEX,
+ ureg,
+ &stvp->Base.Base,
+ /* inputs */
+ vpv->num_inputs,
+ stvp->input_to_index,
+ NULL, /* input semantic name */
+ NULL, /* input semantic index */
+ NULL,
+ /* outputs */
+ num_outputs,
+ stvp->result_to_output,
+ stvp->output_semantic_name,
+ stvp->output_semantic_index,
+ key->passthrough_edgeflags,
+ key->clamp_color);
if (error)
goto fail;
ureg_destroy( ureg );
+ if (stvp->glsl_to_tgsi) {
+ st_translate_stream_output_info(stvp->glsl_to_tgsi,
+ stvp->result_to_output,
+ &vpv->tgsi.stream_output);
+ }
+
vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi);
if (ST_DEBUG & DEBUG_TGSI) {
}
+/**
+ * Find/create a vertex program variant.
+ */
+struct st_vp_variant *
+st_get_vp_variant(struct st_context *st,
+ struct st_vertex_program *stvp,
+ const struct st_vp_variant_key *key)
+{
+ struct st_vp_variant *vpv;
+
+ /* Search for existing variant */
+ for (vpv = stvp->variants; vpv; vpv = vpv->next) {
+ if (memcmp(&vpv->key, key, sizeof(*key)) == 0) {
+ break;
+ }
+ }
+
+ if (!vpv) {
+ /* create now */
+ vpv = st_translate_vertex_program(st, stvp, key);
+ if (vpv) {
+ /* insert into list */
+ vpv->next = stvp->variants;
+ stvp->variants = vpv;
+ }
+ }
+
+ return vpv;
+}
+
+
+static unsigned
+st_translate_interp(enum glsl_interp_qualifier glsl_qual, bool is_color)
+{
+ switch (glsl_qual) {
+ case INTERP_QUALIFIER_NONE:
+ if (is_color)
+ return TGSI_INTERPOLATE_COLOR;
+ return TGSI_INTERPOLATE_PERSPECTIVE;
+ case INTERP_QUALIFIER_SMOOTH:
+ return TGSI_INTERPOLATE_PERSPECTIVE;
+ case INTERP_QUALIFIER_FLAT:
+ return TGSI_INTERPOLATE_CONSTANT;
+ case INTERP_QUALIFIER_NOPERSPECTIVE:
+ return TGSI_INTERPOLATE_LINEAR;
+ default:
+ assert(0 && "unexpected interp mode in st_translate_interp()");
+ return TGSI_INTERPOLATE_PERSPECTIVE;
+ }
+}
+
/**
- * Translate a Mesa fragment shader into a TGSI shader.
- * \return pointer to cached pipe_shader object.
+ * Translate a Mesa fragment shader into a TGSI shader using extra info in
+ * the key.
+ * \return new fragment program variant
*/
-void
+static struct st_fp_variant *
st_translate_fragment_program(struct st_context *st,
- struct st_fragment_program *stfp )
+ struct st_fragment_program *stfp,
+ const struct st_fp_variant_key *key)
{
struct pipe_context *pipe = st->pipe;
+ struct st_fp_variant *variant = CALLOC_STRUCT(st_fp_variant);
+ GLboolean deleteFP = GL_FALSE;
+
GLuint outputMapping[FRAG_RESULT_MAX];
- GLuint inputMapping[FRAG_ATTRIB_MAX];
+ GLuint inputMapping[VARYING_SLOT_MAX];
GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
GLuint attr;
- enum pipe_error error;
- const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
+ GLbitfield64 inputsRead;
struct ureg_program *ureg;
+ GLboolean write_all = GL_FALSE;
+
ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
+ GLboolean is_centroid[PIPE_MAX_SHADER_INPUTS];
uint fs_num_inputs = 0;
ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
uint fs_num_outputs = 0;
- _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
+ if (!variant)
+ return NULL;
+
+ assert(!(key->bitmap && key->drawpixels));
+
+ if (key->bitmap) {
+ /* glBitmap drawing */
+ struct gl_fragment_program *fp; /* we free this temp program below */
+
+ st_make_bitmap_fragment_program(st, &stfp->Base,
+ &fp, &variant->bitmap_sampler);
+
+ variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters);
+ stfp = st_fragment_program(fp);
+ deleteFP = GL_TRUE;
+ }
+ else if (key->drawpixels) {
+ /* glDrawPixels drawing */
+ struct gl_fragment_program *fp; /* we free this temp program below */
+
+ if (key->drawpixels_z || key->drawpixels_stencil) {
+ fp = st_make_drawpix_z_stencil_program(st, key->drawpixels_z,
+ key->drawpixels_stencil);
+ }
+ else {
+ /* RGBA */
+ st_make_drawpix_fragment_program(st, &stfp->Base, &fp);
+ variant->parameters = _mesa_clone_parameter_list(fp->Base.Parameters);
+ deleteFP = GL_TRUE;
+ }
+ stfp = st_fragment_program(fp);
+ }
+
+ if (!stfp->glsl_to_tgsi)
+ _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT);
/*
* Convert Mesa program inputs to TGSI input register semantics.
*/
- for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) {
- if (inputsRead & (1 << attr)) {
+ inputsRead = stfp->Base.Base.InputsRead;
+ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) {
+ if ((inputsRead & BITFIELD64_BIT(attr)) != 0) {
const GLuint slot = fs_num_inputs++;
inputMapping[attr] = slot;
+ is_centroid[slot] = (stfp->Base.IsCentroid & BITFIELD64_BIT(attr)) != 0;
switch (attr) {
- case FRAG_ATTRIB_WPOS:
+ case VARYING_SLOT_POS:
input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
break;
- case FRAG_ATTRIB_COL0:
+ case VARYING_SLOT_COL0:
input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
+ TRUE);
break;
- case FRAG_ATTRIB_COL1:
+ case VARYING_SLOT_COL1:
input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
input_semantic_index[slot] = 1;
- interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
+ TRUE);
break;
- case FRAG_ATTRIB_FOGC:
+ case VARYING_SLOT_FOGC:
input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
break;
- case FRAG_ATTRIB_FACE:
+ case VARYING_SLOT_FACE:
input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
break;
+ case VARYING_SLOT_CLIP_DIST0:
+ input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
+ case VARYING_SLOT_CLIP_DIST1:
+ input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ input_semantic_index[slot] = 1;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
/* In most cases, there is nothing special about these
* inputs, so adopt a convention to use the generic
- * semantic name and the mesa FRAG_ATTRIB_ number as the
- * index.
- *
+ * semantic name and the mesa VARYING_SLOT_ number as the
+ * index.
+ *
* All that is required is that the vertex shader labels
* its own outputs similarly, and that the vertex shader
* generates at least every output required by the
* fragment shader plus fixed-function hardware (such as
* BFC).
- *
- * There is no requirement that semantic indexes start at
- * zero or be restricted to a particular range -- nobody
- * should be building tables based on semantic index.
+ *
+ * However, some drivers may need us to identify the PNTC and TEXi
+ * varyings if, for example, their capability to replace them with
+ * sprite coordinates is limited.
*/
- case FRAG_ATTRIB_PNTC:
- case FRAG_ATTRIB_TEX0:
- case FRAG_ATTRIB_TEX1:
- case FRAG_ATTRIB_TEX2:
- case FRAG_ATTRIB_TEX3:
- case FRAG_ATTRIB_TEX4:
- case FRAG_ATTRIB_TEX5:
- case FRAG_ATTRIB_TEX6:
- case FRAG_ATTRIB_TEX7:
- case FRAG_ATTRIB_VAR0:
+ case VARYING_SLOT_PNTC:
+ if (st->needs_texcoord_semantic) {
+ input_semantic_name[slot] = TGSI_SEMANTIC_PCOORD;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ break;
+ }
+ /* fall through */
+ case VARYING_SLOT_TEX0:
+ case VARYING_SLOT_TEX1:
+ case VARYING_SLOT_TEX2:
+ case VARYING_SLOT_TEX3:
+ case VARYING_SLOT_TEX4:
+ case VARYING_SLOT_TEX5:
+ case VARYING_SLOT_TEX6:
+ case VARYING_SLOT_TEX7:
+ if (st->needs_texcoord_semantic) {
+ input_semantic_name[slot] = TGSI_SEMANTIC_TEXCOORD;
+ input_semantic_index[slot] = attr - VARYING_SLOT_TEX0;
+ interpMode[slot] =
+ st_translate_interp(stfp->Base.InterpQualifier[attr], FALSE);
+ break;
+ }
+ /* fall through */
+ case VARYING_SLOT_VAR0:
default:
- /* Actually, let's try and zero-base this just for
- * readability of the generated TGSI.
+ /* Semantic indices should be zero-based because drivers may choose
+ * to assign a fixed slot determined by that index.
+ * This is useful because ARB_separate_shader_objects uses location
+ * qualifiers for linkage, and if the semantic index corresponds to
+ * these locations, linkage passes in the driver become unecessary.
+ *
+ * If needs_texcoord_semantic is true, no semantic indices will be
+ * consumed for the TEXi varyings, and we can base the locations of
+ * the user varyings on VAR0. Otherwise, we use TEX0 as base index.
*/
- assert(attr >= FRAG_ATTRIB_TEX0);
- input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
+ assert(attr >= VARYING_SLOT_TEX0);
+ input_semantic_index[slot] = st->needs_texcoord_semantic ?
+ (attr - VARYING_SLOT_VAR0) : (attr - VARYING_SLOT_TEX0);
input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- if (attr == FRAG_ATTRIB_PNTC)
+ if (attr == VARYING_SLOT_PNTC)
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
else
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ interpMode[slot] = st_translate_interp(stfp->Base.InterpQualifier[attr],
+ FALSE);
break;
}
}
else {
- inputMapping[attr] = -1;
+ inputMapping[attr] = -1;
}
}
outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
}
- /* handle remaning outputs (color) */
+ /* handle remaining outputs (color) */
for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
if (outputsWritten & BITFIELD64_BIT(attr)) {
switch (attr) {
/* handled above */
assert(0);
break;
+ case FRAG_RESULT_COLOR:
+ write_all = GL_TRUE; /* fallthrough */
default:
assert(attr == FRAG_RESULT_COLOR ||
(FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX));
}
ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
- if (ureg == NULL)
- return;
+ if (ureg == NULL) {
+ free(variant);
+ return NULL;
+ }
if (ST_DEBUG & DEBUG_MESA) {
_mesa_print_program(&stfp->Base.Base);
_mesa_print_program_parameters(st->ctx, &stfp->Base.Base);
debug_printf("\n");
}
+ if (write_all == GL_TRUE)
+ ureg_property_fs_color0_writes_all_cbufs(ureg, 1);
+
+ if (stfp->Base.FragDepthLayout != FRAG_DEPTH_LAYOUT_NONE) {
+ switch (stfp->Base.FragDepthLayout) {
+ case FRAG_DEPTH_LAYOUT_ANY:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_ANY);
+ break;
+ case FRAG_DEPTH_LAYOUT_GREATER:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_GREATER);
+ break;
+ case FRAG_DEPTH_LAYOUT_LESS:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_LESS);
+ break;
+ case FRAG_DEPTH_LAYOUT_UNCHANGED:
+ ureg_property_fs_depth_layout(ureg, TGSI_FS_DEPTH_LAYOUT_UNCHANGED);
+ break;
+ default:
+ assert(0);
+ }
+ }
- error =
+ if (stfp->glsl_to_tgsi)
+ st_translate_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ stfp->glsl_to_tgsi,
+ &stfp->Base.Base,
+ /* inputs */
+ fs_num_inputs,
+ inputMapping,
+ input_semantic_name,
+ input_semantic_index,
+ interpMode,
+ is_centroid,
+ /* outputs */
+ fs_num_outputs,
+ outputMapping,
+ fs_output_semantic_name,
+ fs_output_semantic_index, FALSE,
+ key->clamp_color );
+ else
st_translate_mesa_program(st->ctx,
TGSI_PROCESSOR_FRAGMENT,
ureg,
fs_num_outputs,
outputMapping,
fs_output_semantic_name,
- fs_output_semantic_index, FALSE );
+ fs_output_semantic_index, FALSE,
+ key->clamp_color);
- stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
+ variant->tgsi.tokens = ureg_get_tokens( ureg, NULL );
ureg_destroy( ureg );
- stfp->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi);
+
+ /* fill in variant */
+ variant->driver_shader = pipe->create_fs_state(pipe, &variant->tgsi);
+ variant->key = *key;
if (ST_DEBUG & DEBUG_TGSI) {
- tgsi_dump( stfp->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
+ tgsi_dump( variant->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
debug_printf("\n");
}
+
+ if (deleteFP) {
+ /* Free the temporary program made above */
+ struct gl_fragment_program *fp = &stfp->Base;
+ _mesa_reference_fragprog(st->ctx, &fp, NULL);
+ }
+
+ return variant;
}
-void
+
+/**
+ * Translate fragment program if needed.
+ */
+struct st_fp_variant *
+st_get_fp_variant(struct st_context *st,
+ struct st_fragment_program *stfp,
+ const struct st_fp_variant_key *key)
+{
+ struct st_fp_variant *fpv;
+
+ /* Search for existing variant */
+ for (fpv = stfp->variants; fpv; fpv = fpv->next) {
+ if (memcmp(&fpv->key, key, sizeof(*key)) == 0) {
+ break;
+ }
+ }
+
+ if (!fpv) {
+ /* create new */
+ fpv = st_translate_fragment_program(st, stfp, key);
+ if (fpv) {
+ /* insert into list */
+ fpv->next = stfp->variants;
+ stfp->variants = fpv;
+ }
+ }
+
+ return fpv;
+}
+
+
+/**
+ * Translate a geometry program to create a new variant.
+ */
+static struct st_gp_variant *
st_translate_geometry_program(struct st_context *st,
- struct st_geometry_program *stgp)
+ struct st_geometry_program *stgp,
+ const struct st_gp_variant_key *key)
{
- GLuint inputMapping[GEOM_ATTRIB_MAX];
- GLuint outputMapping[GEOM_RESULT_MAX];
+ GLuint inputMapping[VARYING_SLOT_MAX];
+ GLuint outputMapping[VARYING_SLOT_MAX];
struct pipe_context *pipe = st->pipe;
- enum pipe_error error;
GLuint attr;
- const GLbitfield inputsRead = stgp->Base.Base.InputsRead;
+ GLbitfield64 inputsRead;
GLuint vslot = 0;
- GLuint num_generic = 0;
uint gs_num_inputs = 0;
uint gs_builtin_inputs = 0;
GLuint maxSlot = 0;
struct ureg_program *ureg;
- _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT);
- _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_VARYING);
+ struct st_gp_variant *gpv;
+
+ gpv = CALLOC_STRUCT(st_gp_variant);
+ if (!gpv)
+ return NULL;
+
+ if (!stgp->glsl_to_tgsi) {
+ _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT);
+ }
ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY );
if (ureg == NULL) {
- return;
+ free(gpv);
+ return NULL;
}
/* which vertex output goes to the first geometry input */
/*
* Convert Mesa program inputs to TGSI input register semantics.
*/
- for (attr = 0; attr < GEOM_ATTRIB_MAX; attr++) {
- if (inputsRead & (1 << attr)) {
+ inputsRead = stgp->Base.Base.InputsRead;
+ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) {
+ if ((inputsRead & BITFIELD64_BIT(attr)) != 0) {
const GLuint slot = gs_num_inputs;
gs_num_inputs++;
stgp->index_to_input[vslot] = attr;
++vslot;
- if (attr != GEOM_ATTRIB_PRIMITIVE_ID) {
+ if (attr != VARYING_SLOT_PRIMITIVE_ID) {
gs_array_offset += 2;
} else
++gs_builtin_inputs;
-#if 1
+#if 0
debug_printf("input map at %d = %d\n",
slot + gs_array_offset, stgp->input_map[slot + gs_array_offset]);
#endif
switch (attr) {
- case GEOM_ATTRIB_PRIMITIVE_ID:
+ case VARYING_SLOT_PRIMITIVE_ID:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
stgp->input_semantic_index[slot] = 0;
break;
- case GEOM_ATTRIB_POSITION:
+ case VARYING_SLOT_POS:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
stgp->input_semantic_index[slot] = 0;
break;
- case GEOM_ATTRIB_COLOR0:
+ case VARYING_SLOT_COL0:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
stgp->input_semantic_index[slot] = 0;
break;
- case GEOM_ATTRIB_COLOR1:
+ case VARYING_SLOT_COL1:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
stgp->input_semantic_index[slot] = 1;
break;
- case GEOM_ATTRIB_FOG_FRAG_COORD:
+ case VARYING_SLOT_FOGC:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
stgp->input_semantic_index[slot] = 0;
break;
- case GEOM_ATTRIB_TEX_COORD:
+ case VARYING_SLOT_CLIP_VERTEX:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case VARYING_SLOT_CLIP_DIST0:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case VARYING_SLOT_CLIP_DIST1:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ stgp->input_semantic_index[slot] = 1;
+ break;
+ case VARYING_SLOT_TEX0:
+ case VARYING_SLOT_TEX1:
+ case VARYING_SLOT_TEX2:
+ case VARYING_SLOT_TEX3:
+ case VARYING_SLOT_TEX4:
+ case VARYING_SLOT_TEX5:
+ case VARYING_SLOT_TEX6:
+ case VARYING_SLOT_TEX7:
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stgp->input_semantic_index[slot] = num_generic++;
+ stgp->input_semantic_index[slot] = (attr - VARYING_SLOT_TEX0);
break;
- case GEOM_ATTRIB_VAR0:
- /* fall-through */
+ case VARYING_SLOT_VAR0:
default:
+ assert(attr >= VARYING_SLOT_VAR0 && attr < VARYING_SLOT_MAX);
stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stgp->input_semantic_index[slot] = num_generic++;
+ stgp->input_semantic_index[slot] = (VARYING_SLOT_VAR0 -
+ VARYING_SLOT_TEX0 +
+ attr -
+ VARYING_SLOT_VAR0);
+ break;
}
}
}
gs_output_semantic_index[i] = 0;
}
- num_generic = 0;
/*
* Determine number of outputs, the (default) output register
* mapping and the semantic information for each output.
*/
- for (attr = 0; attr < GEOM_RESULT_MAX; attr++) {
- if (stgp->Base.Base.OutputsWritten & (1 << attr)) {
+ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) {
+ if (stgp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) {
GLuint slot;
slot = gs_num_outputs;
outputMapping[attr] = slot;
switch (attr) {
- case GEOM_RESULT_POS:
+ case VARYING_SLOT_POS:
assert(slot == 0);
gs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
gs_output_semantic_index[slot] = 0;
break;
- case GEOM_RESULT_COL0:
+ case VARYING_SLOT_COL0:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
gs_output_semantic_index[slot] = 0;
break;
- case GEOM_RESULT_COL1:
+ case VARYING_SLOT_COL1:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
gs_output_semantic_index[slot] = 1;
break;
- case GEOM_RESULT_SCOL0:
+ case VARYING_SLOT_BFC0:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
gs_output_semantic_index[slot] = 0;
break;
- case GEOM_RESULT_SCOL1:
+ case VARYING_SLOT_BFC1:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
gs_output_semantic_index[slot] = 1;
break;
- case GEOM_RESULT_FOGC:
+ case VARYING_SLOT_FOGC:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
gs_output_semantic_index[slot] = 0;
break;
- case GEOM_RESULT_PSIZ:
+ case VARYING_SLOT_PSIZ:
gs_output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
gs_output_semantic_index[slot] = 0;
break;
- case GEOM_RESULT_TEX0:
- case GEOM_RESULT_TEX1:
- case GEOM_RESULT_TEX2:
- case GEOM_RESULT_TEX3:
- case GEOM_RESULT_TEX4:
- case GEOM_RESULT_TEX5:
- case GEOM_RESULT_TEX6:
- case GEOM_RESULT_TEX7:
- /* fall-through */
- case GEOM_RESULT_VAR0:
- /* fall-through */
+ case VARYING_SLOT_CLIP_VERTEX:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case VARYING_SLOT_CLIP_DIST0:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case VARYING_SLOT_CLIP_DIST1:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_CLIPDIST;
+ gs_output_semantic_index[slot] = 1;
+ break;
+ case VARYING_SLOT_TEX0:
+ case VARYING_SLOT_TEX1:
+ case VARYING_SLOT_TEX2:
+ case VARYING_SLOT_TEX3:
+ case VARYING_SLOT_TEX4:
+ case VARYING_SLOT_TEX5:
+ case VARYING_SLOT_TEX6:
+ case VARYING_SLOT_TEX7:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ gs_output_semantic_index[slot] = (attr - VARYING_SLOT_TEX0);
+ break;
+ case VARYING_SLOT_VAR0:
default:
assert(slot < Elements(gs_output_semantic_name));
- /* use default semantic info */
+ assert(attr >= VARYING_SLOT_VAR0);
gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- gs_output_semantic_index[slot] = num_generic++;
+ gs_output_semantic_index[slot] = (VARYING_SLOT_VAR0 -
+ VARYING_SLOT_TEX0 +
+ attr -
+ VARYING_SLOT_VAR0);
}
}
}
assert(gs_output_semantic_name[0] == TGSI_SEMANTIC_POSITION);
/* find max output slot referenced to compute gs_num_outputs */
- for (attr = 0; attr < GEOM_RESULT_MAX; attr++) {
+ for (attr = 0; attr < VARYING_SLOT_MAX; attr++) {
if (outputMapping[attr] != ~0 && outputMapping[attr] > maxSlot)
maxSlot = outputMapping[attr];
}
st_free_tokens(stgp->tgsi.tokens);
stgp->tgsi.tokens = NULL;
}
- if (stgp->driver_shader) {
- cso_delete_geometry_shader(st->cso_context, stgp->driver_shader);
- stgp->driver_shader = NULL;
- }
ureg_property_gs_input_prim(ureg, stgp->Base.InputType);
ureg_property_gs_output_prim(ureg, stgp->Base.OutputType);
ureg_property_gs_max_vertices(ureg, stgp->Base.VerticesOut);
- error = st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_GEOMETRY,
- ureg,
- &stgp->Base.Base,
- /* inputs */
- gs_num_inputs,
- inputMapping,
- stgp->input_semantic_name,
- stgp->input_semantic_index,
- NULL,
- /* outputs */
- gs_num_outputs,
- outputMapping,
- gs_output_semantic_name,
- gs_output_semantic_index,
- FALSE);
-
+ if (stgp->glsl_to_tgsi)
+ st_translate_program(st->ctx,
+ TGSI_PROCESSOR_GEOMETRY,
+ ureg,
+ stgp->glsl_to_tgsi,
+ &stgp->Base.Base,
+ /* inputs */
+ gs_num_inputs,
+ inputMapping,
+ stgp->input_semantic_name,
+ stgp->input_semantic_index,
+ NULL,
+ NULL,
+ /* outputs */
+ gs_num_outputs,
+ outputMapping,
+ gs_output_semantic_name,
+ gs_output_semantic_index,
+ FALSE,
+ FALSE);
+ else
+ st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_GEOMETRY,
+ ureg,
+ &stgp->Base.Base,
+ /* inputs */
+ gs_num_inputs,
+ inputMapping,
+ stgp->input_semantic_name,
+ stgp->input_semantic_index,
+ NULL,
+ /* outputs */
+ gs_num_outputs,
+ outputMapping,
+ gs_output_semantic_name,
+ gs_output_semantic_index,
+ FALSE,
+ FALSE);
stgp->num_inputs = gs_num_inputs;
stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
ureg_destroy( ureg );
- stgp->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi);
+
+ if (stgp->glsl_to_tgsi) {
+ st_translate_stream_output_info(stgp->glsl_to_tgsi,
+ outputMapping,
+ &stgp->tgsi.stream_output);
+ }
+
+ /* fill in new variant */
+ gpv->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi);
+ gpv->key = *key;
if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {
_mesa_print_program(&stgp->Base.Base);
tgsi_dump(stgp->tgsi.tokens, 0);
debug_printf("\n");
}
+
+ return gpv;
}
+
+/**
+ * Get/create geometry program variant.
+ */
+struct st_gp_variant *
+st_get_gp_variant(struct st_context *st,
+ struct st_geometry_program *stgp,
+ const struct st_gp_variant_key *key)
+{
+ struct st_gp_variant *gpv;
+
+ /* Search for existing variant */
+ for (gpv = stgp->variants; gpv; gpv = gpv->next) {
+ if (memcmp(&gpv->key, key, sizeof(*key)) == 0) {
+ break;
+ }
+ }
+
+ if (!gpv) {
+ /* create new */
+ gpv = st_translate_geometry_program(st, stgp, key);
+ if (gpv) {
+ /* insert into list */
+ gpv->next = stgp->variants;
+ stgp->variants = gpv;
+ }
+ }
+
+ return gpv;
+}
+
+
+
+
/**
* Debug- print current shader text
*/
}
}
}
+
+
+/**
+ * Vert/Geom/Frag programs have per-context variants. Free all the
+ * variants attached to the given program which match the given context.
+ */
+static void
+destroy_program_variants(struct st_context *st, struct gl_program *program)
+{
+ if (!program || program == &_mesa_DummyProgram)
+ return;
+
+ switch (program->Target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ {
+ struct st_vertex_program *stvp = (struct st_vertex_program *) program;
+ struct st_vp_variant *vpv, **prevPtr = &stvp->variants;
+
+ for (vpv = stvp->variants; vpv; ) {
+ struct st_vp_variant *next = vpv->next;
+ if (vpv->key.st == st) {
+ /* unlink from list */
+ *prevPtr = next;
+ /* destroy this variant */
+ delete_vp_variant(st, vpv);
+ }
+ else {
+ prevPtr = &vpv->next;
+ }
+ vpv = next;
+ }
+ }
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ {
+ struct st_fragment_program *stfp =
+ (struct st_fragment_program *) program;
+ struct st_fp_variant *fpv, **prevPtr = &stfp->variants;
+
+ for (fpv = stfp->variants; fpv; ) {
+ struct st_fp_variant *next = fpv->next;
+ if (fpv->key.st == st) {
+ /* unlink from list */
+ *prevPtr = next;
+ /* destroy this variant */
+ delete_fp_variant(st, fpv);
+ }
+ else {
+ prevPtr = &fpv->next;
+ }
+ fpv = next;
+ }
+ }
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ {
+ struct st_geometry_program *stgp =
+ (struct st_geometry_program *) program;
+ struct st_gp_variant *gpv, **prevPtr = &stgp->variants;
+
+ for (gpv = stgp->variants; gpv; ) {
+ struct st_gp_variant *next = gpv->next;
+ if (gpv->key.st == st) {
+ /* unlink from list */
+ *prevPtr = next;
+ /* destroy this variant */
+ delete_gp_variant(st, gpv);
+ }
+ else {
+ prevPtr = &gpv->next;
+ }
+ gpv = next;
+ }
+ }
+ break;
+ default:
+ _mesa_problem(NULL, "Unexpected program target 0x%x in "
+ "destroy_program_variants_cb()", program->Target);
+ }
+}
+
+
+/**
+ * Callback for _mesa_HashWalk. Free all the shader's program variants
+ * which match the given context.
+ */
+static void
+destroy_shader_program_variants_cb(GLuint key, void *data, void *userData)
+{
+ struct st_context *st = (struct st_context *) userData;
+ struct gl_shader *shader = (struct gl_shader *) data;
+
+ switch (shader->Type) {
+ case GL_SHADER_PROGRAM_MESA:
+ {
+ struct gl_shader_program *shProg = (struct gl_shader_program *) data;
+ GLuint i;
+
+ for (i = 0; i < shProg->NumShaders; i++) {
+ destroy_program_variants(st, shProg->Shaders[i]->Program);
+ }
+
+ for (i = 0; i < Elements(shProg->_LinkedShaders); i++) {
+ if (shProg->_LinkedShaders[i])
+ destroy_program_variants(st, shProg->_LinkedShaders[i]->Program);
+ }
+ }
+ break;
+ case GL_VERTEX_SHADER:
+ case GL_FRAGMENT_SHADER:
+ case GL_GEOMETRY_SHADER:
+ {
+ destroy_program_variants(st, shader->Program);
+ }
+ break;
+ default:
+ assert(0);
+ }
+}
+
+
+/**
+ * Callback for _mesa_HashWalk. Free all the program variants which match
+ * the given context.
+ */
+static void
+destroy_program_variants_cb(GLuint key, void *data, void *userData)
+{
+ struct st_context *st = (struct st_context *) userData;
+ struct gl_program *program = (struct gl_program *) data;
+ destroy_program_variants(st, program);
+}
+
+
+/**
+ * Walk over all shaders and programs to delete any variants which
+ * belong to the given context.
+ * This is called during context tear-down.
+ */
+void
+st_destroy_program_variants(struct st_context *st)
+{
+ /* ARB vert/frag program */
+ _mesa_HashWalk(st->ctx->Shared->Programs,
+ destroy_program_variants_cb, st);
+
+ /* GLSL vert/frag/geom shaders */
+ _mesa_HashWalk(st->ctx->Shared->ShaderObjects,
+ destroy_shader_program_variants_cb, st);
+}
+
+
+/**
+ * For debugging, print/dump the current vertex program.
+ */
+void
+st_print_current_vertex_program(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (ctx->VertexProgram._Current) {
+ struct st_vertex_program *stvp =
+ (struct st_vertex_program *) ctx->VertexProgram._Current;
+ struct st_vp_variant *stv;
+
+ debug_printf("Vertex program %u\n", stvp->Base.Base.Id);
+
+ for (stv = stvp->variants; stv; stv = stv->next) {
+ debug_printf("variant %p\n", stv);
+ tgsi_dump(stv->tgsi.tokens, 0);
+ }
+ }
+}