#include "main/imports.h"
#include "main/mtypes.h"
-#include "shader/prog_print.h"
-#include "shader/programopt.h"
+#include "program/prog_print.h"
+#include "program/programopt.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "tgsi/tgsi_dump.h"
+#include "tgsi/tgsi_ureg.h"
+#include "st_debug.h"
#include "st_context.h"
-#include "st_atom.h"
#include "st_program.h"
#include "st_mesa_to_tgsi.h"
#include "cso_cache/cso_context.h"
-#define ST_MAX_SHADER_TOKENS (8 * 1024)
+
+/**
+ * Clean out any old compilations:
+ */
+void
+st_vp_release_varients( struct st_context *st,
+ struct st_vertex_program *stvp )
+{
+ struct st_vp_varient *vpv;
+
+ for (vpv = stvp->varients; vpv; ) {
+ struct st_vp_varient *next = 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);
+
+ FREE( vpv );
+
+ vpv = next;
+ }
+
+ stvp->varients = NULL;
+}
-#define TGSI_DEBUG 0
/**
* \return pointer to cached pipe_shader object.
*/
void
-st_translate_vertex_program(struct st_context *st,
- struct st_vertex_program *stvp,
- const GLuint outputMapping[],
- const ubyte *outputSemanticName,
- const ubyte *outputSemanticIndex)
+st_prepare_vertex_program(struct st_context *st,
+ struct st_vertex_program *stvp)
{
- struct pipe_context *pipe = st->pipe;
- struct tgsi_token *tokens;
- GLuint defaultOutputMapping[VERT_RESULT_MAX];
- struct pipe_shader_state vs;
- GLuint attr, i;
- GLuint num_generic = 0;
- GLuint num_tokens;
-
- ubyte vs_input_semantic_name[PIPE_MAX_SHADER_INPUTS];
- ubyte vs_input_semantic_index[PIPE_MAX_SHADER_INPUTS];
- uint vs_num_inputs = 0;
-
- ubyte vs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
- ubyte vs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
- uint vs_num_outputs = 0;
-
- GLbitfield input_flags[MAX_PROGRAM_INPUTS];
- GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
-
- tokens = (struct tgsi_token *)MALLOC(ST_MAX_SHADER_TOKENS * sizeof *tokens);
- if(!tokens) {
- /* FIXME: propagate error to the caller */
- assert(0);
- return;
- }
+ GLuint attr;
- memset(&vs, 0, sizeof(vs));
- memset(input_flags, 0, sizeof(input_flags));
- memset(output_flags, 0, sizeof(output_flags));
+ stvp->num_inputs = 0;
+ stvp->num_outputs = 0;
if (stvp->Base.IsPositionInvariant)
_mesa_insert_mvp_code(st->ctx, &stvp->Base);
+ 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)) {
- const GLuint slot = vs_num_inputs;
-
- vs_num_inputs++;
-
- stvp->input_to_index[attr] = slot;
- stvp->index_to_input[slot] = attr;
-
- switch (attr) {
- case VERT_ATTRIB_POS:
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
- vs_input_semantic_index[slot] = 0;
- break;
- case VERT_ATTRIB_WEIGHT:
- /* fall-through */
- case VERT_ATTRIB_NORMAL:
- /* just label as a generic */
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- vs_input_semantic_index[slot] = 0;
- break;
- case VERT_ATTRIB_COLOR0:
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- vs_input_semantic_index[slot] = 0;
- break;
- case VERT_ATTRIB_COLOR1:
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- vs_input_semantic_index[slot] = 1;
- break;
- case VERT_ATTRIB_FOG:
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
- vs_input_semantic_index[slot] = 0;
- break;
- case VERT_ATTRIB_POINT_SIZE:
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
- vs_input_semantic_index[slot] = 0;
- break;
- case VERT_ATTRIB_TEX0:
- case VERT_ATTRIB_TEX1:
- case VERT_ATTRIB_TEX2:
- case VERT_ATTRIB_TEX3:
- case VERT_ATTRIB_TEX4:
- case VERT_ATTRIB_TEX5:
- case VERT_ATTRIB_TEX6:
- case VERT_ATTRIB_TEX7:
- assert(slot < Elements(vs_input_semantic_name));
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- vs_input_semantic_index[slot] = num_generic++;
- break;
- case VERT_ATTRIB_GENERIC0:
- case VERT_ATTRIB_GENERIC1:
- case VERT_ATTRIB_GENERIC2:
- case VERT_ATTRIB_GENERIC3:
- case VERT_ATTRIB_GENERIC4:
- case VERT_ATTRIB_GENERIC5:
- case VERT_ATTRIB_GENERIC6:
- case VERT_ATTRIB_GENERIC7:
- case VERT_ATTRIB_GENERIC8:
- case VERT_ATTRIB_GENERIC9:
- case VERT_ATTRIB_GENERIC10:
- case VERT_ATTRIB_GENERIC11:
- case VERT_ATTRIB_GENERIC12:
- case VERT_ATTRIB_GENERIC13:
- case VERT_ATTRIB_GENERIC14:
- case VERT_ATTRIB_GENERIC15:
- assert(attr < VERT_ATTRIB_MAX);
- assert(slot < Elements(vs_input_semantic_name));
- vs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- vs_input_semantic_index[slot] = num_generic++;
- break;
- default:
- assert(0);
- }
-
- input_flags[slot] = stvp->Base.Base.InputFlags[attr];
- }
- }
-
-#if 0
- if (outputMapping && outputSemanticName) {
- printf("VERT_RESULT written out_slot semantic_name semantic_index\n");
- for (attr = 0; attr < VERT_RESULT_MAX; attr++) {
- printf(" %-2d %c %3d %2d %2d\n",
- attr,
- ((stvp->Base.Base.OutputsWritten & (1 << attr)) ? 'Y' : ' '),
- outputMapping[attr],
- outputSemanticName[attr],
- outputSemanticIndex[attr]);
+ stvp->input_to_index[attr] = stvp->num_inputs;
+ stvp->index_to_input[stvp->num_inputs] = attr;
+ stvp->num_inputs++;
}
}
-#endif
+ /* bit of a hack, presetup potentially unused edgeflag input */
+ stvp->input_to_index[VERT_ATTRIB_EDGEFLAG] = stvp->num_inputs;
+ stvp->index_to_input[stvp->num_inputs] = VERT_ATTRIB_EDGEFLAG;
- /* initialize output semantics to defaults */
- for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) {
- assert(i < Elements(vs_output_semantic_name));
- vs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC;
- vs_output_semantic_index[i] = 0;
- output_flags[i] = 0x0;
- }
-
- num_generic = 0;
- /*
- * Determine number of outputs, the (default) output register
- * mapping and the semantic information for each output.
+ /* Compute mapping of vertex program outputs to slots.
*/
for (attr = 0; attr < VERT_RESULT_MAX; attr++) {
- if (stvp->Base.Base.OutputsWritten & (1 << attr)) {
- GLuint slot;
-
- /* XXX
- * Pass in the fragment program's input's semantic info.
- * Use the generic semantic indexes from there, instead of
- * guessing below.
- */
+ if ((stvp->Base.Base.OutputsWritten & BITFIELD64_BIT(attr)) == 0) {
+ stvp->result_to_output[attr] = ~0;
+ }
+ else {
+ unsigned slot = stvp->num_outputs++;
- if (outputMapping) {
- slot = outputMapping[attr];
- assert(slot != ~0);
- }
- else {
- slot = vs_num_outputs;
- vs_num_outputs++;
- defaultOutputMapping[attr] = slot;
- }
+ stvp->result_to_output[attr] = slot;
switch (attr) {
case VERT_RESULT_HPOS:
- assert(slot == 0);
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
- vs_output_semantic_index[slot] = 0;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ stvp->output_semantic_index[slot] = 0;
break;
case VERT_RESULT_COL0:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- vs_output_semantic_index[slot] = 0;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stvp->output_semantic_index[slot] = 0;
break;
case VERT_RESULT_COL1:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- vs_output_semantic_index[slot] = 1;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stvp->output_semantic_index[slot] = 1;
break;
case VERT_RESULT_BFC0:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
- vs_output_semantic_index[slot] = 0;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
+ stvp->output_semantic_index[slot] = 0;
break;
case VERT_RESULT_BFC1:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
- vs_output_semantic_index[slot] = 1;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
+ stvp->output_semantic_index[slot] = 1;
break;
case VERT_RESULT_FOGC:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
- vs_output_semantic_index[slot] = 0;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ stvp->output_semantic_index[slot] = 0;
break;
case VERT_RESULT_PSIZ:
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
- vs_output_semantic_index[slot] = 0;
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_PSIZE;
+ stvp->output_semantic_index[slot] = 0;
break;
case VERT_RESULT_EDGE:
assert(0);
break;
+
case VERT_RESULT_TEX0:
case VERT_RESULT_TEX1:
case VERT_RESULT_TEX2:
case VERT_RESULT_TEX5:
case VERT_RESULT_TEX6:
case VERT_RESULT_TEX7:
- /* fall-through */
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ stvp->output_semantic_index[slot] = attr - VERT_RESULT_TEX0;
+ break;
+
case VERT_RESULT_VAR0:
- /* fall-through */
default:
- assert(slot < Elements(vs_output_semantic_name));
- if (outputSemanticName) {
- /* use provided semantic into */
- assert(outputSemanticName[attr] != TGSI_SEMANTIC_COUNT);
- vs_output_semantic_name[slot] = outputSemanticName[attr];
- vs_output_semantic_index[slot] = outputSemanticIndex[attr];
- }
- else {
- /* use default semantic info */
- vs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- vs_output_semantic_index[slot] = num_generic++;
- }
+ assert(attr < VERT_RESULT_MAX);
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ stvp->output_semantic_index[slot] = (FRAG_ATTRIB_VAR0 -
+ FRAG_ATTRIB_TEX0 +
+ attr -
+ VERT_RESULT_VAR0);
+ break;
}
-
- assert(slot < Elements(output_flags));
- output_flags[slot] = stvp->Base.Base.OutputFlags[attr];
}
}
+ /* similar hack to above, presetup potentially unused edgeflag output */
+ stvp->result_to_output[VERT_RESULT_EDGE] = stvp->num_outputs;
+ stvp->output_semantic_name[stvp->num_outputs] = TGSI_SEMANTIC_EDGEFLAG;
+ stvp->output_semantic_index[stvp->num_outputs] = 0;
+}
- if (outputMapping) {
- /* find max output slot referenced to compute vs_num_outputs */
- GLuint maxSlot = 0;
- for (attr = 0; attr < VERT_RESULT_MAX; attr++) {
- if (outputMapping[attr] != ~0 && outputMapping[attr] > maxSlot)
- maxSlot = outputMapping[attr];
- }
- vs_num_outputs = maxSlot + 1;
- }
- else {
- outputMapping = defaultOutputMapping;
+
+struct st_vp_varient *
+st_translate_vertex_program(struct st_context *st,
+ struct st_vertex_program *stvp,
+ const struct st_vp_varient_key *key)
+{
+ struct st_vp_varient *vpv = CALLOC_STRUCT(st_vp_varient);
+ 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);
+
+ ureg = ureg_create( TGSI_PROCESSOR_VERTEX );
+ if (ureg == NULL) {
+ FREE(vpv);
+ return NULL;
}
-#if 0 /* debug */
- {
- GLuint i;
- printf("outputMapping? %d\n", outputMapping ? 1 : 0);
- if (outputMapping) {
- printf("attr -> slot\n");
- for (i = 0; i < 16; i++) {
- printf(" %2d %3d\n", i, outputMapping[i]);
- }
- }
- printf("slot sem_name sem_index\n");
- for (i = 0; i < vs_num_outputs; i++) {
- printf(" %2d %d %d\n",
- i,
- vs_output_semantic_name[i],
- vs_output_semantic_index[i]);
- }
+ vpv->num_inputs = stvp->num_inputs;
+ num_outputs = stvp->num_outputs;
+ if (key->passthrough_edgeflags) {
+ vpv->num_inputs++;
+ num_outputs++;
}
-#endif
- /* free old shader state, if any */
- if (stvp->state.tokens) {
- _mesa_free((void *) stvp->state.tokens);
- stvp->state.tokens = NULL;
+ if (ST_DEBUG & DEBUG_MESA) {
+ _mesa_print_program(&stvp->Base.Base);
+ _mesa_print_program_parameters(st->ctx, &stvp->Base.Base);
+ debug_printf("\n");
}
- if (stvp->driver_shader) {
- cso_delete_vertex_shader(st->cso_context, stvp->driver_shader);
- stvp->driver_shader = NULL;
+
+ 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 (error)
+ goto fail;
+
+ vpv->tgsi.tokens = ureg_get_tokens( ureg, NULL );
+ if (!vpv->tgsi.tokens)
+ goto fail;
+
+ ureg_destroy( ureg );
+
+ vpv->driver_shader = pipe->create_vs_state(pipe, &vpv->tgsi);
+
+ if (ST_DEBUG & DEBUG_TGSI) {
+ tgsi_dump( vpv->tgsi.tokens, 0 );
+ debug_printf("\n");
}
- /* XXX: fix static allocation of tokens:
- */
- num_tokens = st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_VERTEX,
- &stvp->Base.Base,
- /* inputs */
- vs_num_inputs,
- stvp->input_to_index,
- vs_input_semantic_name,
- vs_input_semantic_index,
- NULL,
- input_flags,
- /* outputs */
- vs_num_outputs,
- outputMapping,
- vs_output_semantic_name,
- vs_output_semantic_index,
- output_flags,
- /* tokenized result */
- tokens, ST_MAX_SHADER_TOKENS);
-
- assert(num_tokens < ST_MAX_SHADER_TOKENS);
-
- vs.tokens = (struct tgsi_token *)
- _mesa_realloc(tokens,
- ST_MAX_SHADER_TOKENS * sizeof *tokens,
- num_tokens * sizeof *tokens);
-
- stvp->num_inputs = vs_num_inputs;
- stvp->state = vs; /* struct copy */
- stvp->driver_shader = pipe->create_vs_state(pipe, &vs);
-
- if (0)
- _mesa_print_program(&stvp->Base.Base);
+ return vpv;
+
+fail:
+ debug_printf("%s: failed to translate Mesa program:\n", __FUNCTION__);
+ _mesa_print_program(&stvp->Base.Base);
+ debug_assert(0);
- if (TGSI_DEBUG)
- tgsi_dump( vs.tokens, 0 );
+ ureg_destroy( ureg );
+ return NULL;
}
/**
* Translate a Mesa fragment shader into a TGSI shader.
- * \param inputMapping to map fragment program input registers to TGSI
- * input slots
- * \param tokensOut destination for TGSI tokens
* \return pointer to cached pipe_shader object.
*/
void
st_translate_fragment_program(struct st_context *st,
- struct st_fragment_program *stfp,
- const GLuint inputMapping[])
+ struct st_fragment_program *stfp )
{
struct pipe_context *pipe = st->pipe;
- struct tgsi_token *tokens;
GLuint outputMapping[FRAG_RESULT_MAX];
- GLuint defaultInputMapping[FRAG_ATTRIB_MAX];
- struct pipe_shader_state fs;
- GLuint interpMode[16]; /* XXX size? */
+ GLuint inputMapping[FRAG_ATTRIB_MAX];
+ GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */
GLuint attr;
+ enum pipe_error error;
const GLbitfield inputsRead = stfp->Base.Base.InputsRead;
- GLuint vslot = 0;
- GLuint num_generic = 0;
- GLuint num_tokens;
+ struct ureg_program *ureg;
+ ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_index[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;
- GLbitfield input_flags[MAX_PROGRAM_INPUTS];
- GLbitfield output_flags[MAX_PROGRAM_OUTPUTS];
-
- tokens = (struct tgsi_token *)MALLOC(ST_MAX_SHADER_TOKENS * sizeof *tokens);
- if(!tokens) {
- /* FIXME: propagate error to the caller */
- assert(0);
- return;
- }
-
- memset(&fs, 0, sizeof(fs));
- memset(input_flags, 0, sizeof(input_flags));
- memset(output_flags, 0, sizeof(output_flags));
-
- /* which vertex output goes to the first fragment input: */
- if (inputsRead & FRAG_BIT_WPOS)
- vslot = 0;
- else
- vslot = 1;
+ _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)) {
- const GLuint slot = fs_num_inputs;
+ const GLuint slot = fs_num_inputs++;
- defaultInputMapping[attr] = slot;
-
- stfp->input_map[slot] = vslot++;
-
- fs_num_inputs++;
+ inputMapping[attr] = slot;
switch (attr) {
case FRAG_ATTRIB_WPOS:
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
- stfp->input_semantic_index[slot] = 0;
+ input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
break;
case FRAG_ATTRIB_COL0:
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- stfp->input_semantic_index[slot] = 0;
+ input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ input_semantic_index[slot] = 0;
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
break;
case FRAG_ATTRIB_COL1:
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
- stfp->input_semantic_index[slot] = 1;
+ input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ input_semantic_index[slot] = 1;
interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
break;
- case FRAG_ATTRIB_FOGC: {
- int extra_decls = 0;
- if (stfp->Base.UsesFogFragCoord) {
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
- stfp->input_semantic_index[slot] = 0;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- input_flags[slot] = stfp->Base.Base.InputFlags[attr];
- ++extra_decls;
- }
- if (stfp->Base.UsesFrontFacing) {
- GLint idx = slot + extra_decls;
- stfp->input_semantic_name[idx] = TGSI_SEMANTIC_FACE;
- stfp->input_semantic_index[idx] = 0;
- interpMode[idx] = TGSI_INTERPOLATE_CONSTANT;
- input_flags[idx] = stfp->Base.Base.InputFlags[attr];
- ++extra_decls;
- }
- if (stfp->Base.UsesPointCoord) {
- GLint idx = slot + extra_decls;
- stfp->input_semantic_name[idx] = TGSI_SEMANTIC_GENERIC;
- stfp->input_semantic_index[idx] = num_generic++;
- interpMode[idx] = TGSI_INTERPOLATE_PERSPECTIVE;
- input_flags[idx] = stfp->Base.Base.InputFlags[attr];
- ++extra_decls;
- }
- fs_num_inputs += extra_decls - 1;
- continue;
- }
+ case FRAG_ATTRIB_FOGC:
+ input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
break;
+ case FRAG_ATTRIB_FACE:
+ input_semantic_name[slot] = TGSI_SEMANTIC_FACE;
+ input_semantic_index[slot] = 0;
+ interpMode[slot] = TGSI_INTERPOLATE_CONSTANT;
+ 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.
+ *
+ * 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.
+ */
+ case FRAG_ATTRIB_PNTC:
case FRAG_ATTRIB_TEX0:
case FRAG_ATTRIB_TEX1:
case FRAG_ATTRIB_TEX2:
case FRAG_ATTRIB_TEX5:
case FRAG_ATTRIB_TEX6:
case FRAG_ATTRIB_TEX7:
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stfp->input_semantic_index[slot] = num_generic++;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
- break;
case FRAG_ATTRIB_VAR0:
- /* fall-through */
default:
- stfp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
- stfp->input_semantic_index[slot] = num_generic++;
- interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ /* Actually, let's try and zero-base this just for
+ * readability of the generated TGSI.
+ */
+ assert(attr >= FRAG_ATTRIB_TEX0);
+ input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0);
+ input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ if (attr == FRAG_ATTRIB_PNTC)
+ interpMode[slot] = TGSI_INTERPOLATE_LINEAR;
+ else
+ interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE;
+ break;
}
-
- input_flags[slot] = stfp->Base.Base.InputFlags[attr];
+ }
+ else {
+ inputMapping[attr] = -1;
}
}
*/
{
uint numColors = 0;
- GLbitfield outputsWritten = stfp->Base.Base.OutputsWritten;
+ GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten;
/* if z is written, emit that first */
- if (outputsWritten & (1 << FRAG_RESULT_DEPTH)) {
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION;
fs_output_semantic_index[fs_num_outputs] = 0;
outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs;
outputsWritten &= ~(1 << FRAG_RESULT_DEPTH);
}
+ if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) {
+ fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL;
+ fs_output_semantic_index[fs_num_outputs] = 0;
+ outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs;
+ fs_num_outputs++;
+ outputsWritten &= ~(1 << FRAG_RESULT_STENCIL);
+ }
+
/* handle remaning outputs (color) */
for (attr = 0; attr < FRAG_RESULT_MAX; attr++) {
- if (outputsWritten & (1 << attr)) {
+ if (outputsWritten & BITFIELD64_BIT(attr)) {
switch (attr) {
case FRAG_RESULT_DEPTH:
+ case FRAG_RESULT_STENCIL:
/* handled above */
assert(0);
break;
break;
}
- output_flags[fs_num_outputs] = stfp->Base.Base.OutputFlags[attr];
-
fs_num_outputs++;
}
}
}
- if (!inputMapping)
- inputMapping = defaultInputMapping;
+ ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT );
+ if (ureg == NULL)
+ return;
- /* XXX: fix static allocation of tokens:
- */
- num_tokens = st_translate_mesa_program(st->ctx,
- TGSI_PROCESSOR_FRAGMENT,
- &stfp->Base.Base,
- /* inputs */
- fs_num_inputs,
- inputMapping,
- stfp->input_semantic_name,
- stfp->input_semantic_index,
- interpMode,
- input_flags,
- /* outputs */
- fs_num_outputs,
- outputMapping,
- fs_output_semantic_name,
- fs_output_semantic_index,
- output_flags,
- /* tokenized result */
- tokens, ST_MAX_SHADER_TOKENS);
-
- assert(num_tokens < ST_MAX_SHADER_TOKENS);
-
- fs.tokens = (struct tgsi_token *)
- _mesa_realloc(tokens,
- ST_MAX_SHADER_TOKENS * sizeof *tokens,
- num_tokens * sizeof *tokens);
-
- stfp->state = fs; /* struct copy */
- stfp->driver_shader = pipe->create_fs_state(pipe, &fs);
-
- if (0)
+ if (ST_DEBUG & DEBUG_MESA) {
_mesa_print_program(&stfp->Base.Base);
+ _mesa_print_program_parameters(st->ctx, &stfp->Base.Base);
+ debug_printf("\n");
+ }
- if (TGSI_DEBUG)
- tgsi_dump( fs.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
+ error =
+ st_translate_mesa_program(st->ctx,
+ TGSI_PROCESSOR_FRAGMENT,
+ ureg,
+ &stfp->Base.Base,
+ /* inputs */
+ fs_num_inputs,
+ inputMapping,
+ input_semantic_name,
+ input_semantic_index,
+ interpMode,
+ /* outputs */
+ fs_num_outputs,
+ outputMapping,
+ fs_output_semantic_name,
+ fs_output_semantic_index, FALSE );
+
+ stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL );
+ ureg_destroy( ureg );
+ stfp->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi);
+
+ if (ST_DEBUG & DEBUG_TGSI) {
+ tgsi_dump( stfp->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ );
+ debug_printf("\n");
+ }
}
+void
+st_translate_geometry_program(struct st_context *st,
+ struct st_geometry_program *stgp)
+{
+ GLuint inputMapping[GEOM_ATTRIB_MAX];
+ GLuint outputMapping[GEOM_RESULT_MAX];
+ struct pipe_context *pipe = st->pipe;
+ enum pipe_error error;
+ GLuint attr;
+ const GLbitfield inputsRead = stgp->Base.Base.InputsRead;
+ GLuint vslot = 0;
+ GLuint num_generic = 0;
+
+ uint gs_num_inputs = 0;
+ uint gs_builtin_inputs = 0;
+ uint gs_array_offset = 0;
+
+ ubyte gs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
+ ubyte gs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS];
+ uint gs_num_outputs = 0;
+
+ GLint i;
+ 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);
+
+ ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY );
+ if (ureg == NULL) {
+ return;
+ }
+
+ /* which vertex output goes to the first geometry input */
+ vslot = 0;
+
+ memset(inputMapping, 0, sizeof(inputMapping));
+ memset(outputMapping, 0, sizeof(outputMapping));
+
+ /*
+ * Convert Mesa program inputs to TGSI input register semantics.
+ */
+ for (attr = 0; attr < GEOM_ATTRIB_MAX; attr++) {
+ if (inputsRead & (1 << attr)) {
+ const GLuint slot = gs_num_inputs;
+
+ gs_num_inputs++;
+
+ inputMapping[attr] = slot;
+
+ stgp->input_map[slot + gs_array_offset] = vslot - gs_builtin_inputs;
+ stgp->input_to_index[attr] = vslot;
+ stgp->index_to_input[vslot] = attr;
+ ++vslot;
+
+ if (attr != GEOM_ATTRIB_PRIMITIVE_ID) {
+ gs_array_offset += 2;
+ } else
+ ++gs_builtin_inputs;
+
+#if 1
+ 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:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_PRIMID;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case GEOM_ATTRIB_POSITION:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case GEOM_ATTRIB_COLOR0:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case GEOM_ATTRIB_COLOR1:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ stgp->input_semantic_index[slot] = 1;
+ break;
+ case GEOM_ATTRIB_FOG_FRAG_COORD:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ stgp->input_semantic_index[slot] = 0;
+ break;
+ case GEOM_ATTRIB_TEX_COORD:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ stgp->input_semantic_index[slot] = num_generic++;
+ break;
+ case GEOM_ATTRIB_VAR0:
+ /* fall-through */
+ default:
+ stgp->input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ stgp->input_semantic_index[slot] = num_generic++;
+ }
+ }
+ }
+
+ /* initialize output semantics to defaults */
+ for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) {
+ gs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC;
+ 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)) {
+ GLuint slot;
+
+ slot = gs_num_outputs;
+ gs_num_outputs++;
+ outputMapping[attr] = slot;
+
+ switch (attr) {
+ case GEOM_RESULT_POS:
+ assert(slot == 0);
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_POSITION;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case GEOM_RESULT_COL0:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case GEOM_RESULT_COL1:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_COLOR;
+ gs_output_semantic_index[slot] = 1;
+ break;
+ case GEOM_RESULT_SCOL0:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case GEOM_RESULT_SCOL1:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_BCOLOR;
+ gs_output_semantic_index[slot] = 1;
+ break;
+ case GEOM_RESULT_FOGC:
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_FOG;
+ gs_output_semantic_index[slot] = 0;
+ break;
+ case GEOM_RESULT_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 */
+ default:
+ assert(slot < Elements(gs_output_semantic_name));
+ /* use default semantic info */
+ gs_output_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
+ gs_output_semantic_index[slot] = num_generic++;
+ }
+ }
+ }
+
+ 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++) {
+ if (outputMapping[attr] != ~0 && outputMapping[attr] > maxSlot)
+ maxSlot = outputMapping[attr];
+ }
+ gs_num_outputs = maxSlot + 1;
+
+#if 0 /* debug */
+ {
+ GLuint i;
+ printf("outputMapping? %d\n", outputMapping ? 1 : 0);
+ if (outputMapping) {
+ printf("attr -> slot\n");
+ for (i = 0; i < 16; i++) {
+ printf(" %2d %3d\n", i, outputMapping[i]);
+ }
+ }
+ printf("slot sem_name sem_index\n");
+ for (i = 0; i < gs_num_outputs; i++) {
+ printf(" %2d %d %d\n",
+ i,
+ gs_output_semantic_name[i],
+ gs_output_semantic_index[i]);
+ }
+ }
+#endif
+
+ /* free old shader state, if any */
+ if (stgp->tgsi.tokens) {
+ 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);
+
+
+ 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 ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) {
+ _mesa_print_program(&stgp->Base.Base);
+ debug_printf("\n");
+ }
+
+ if (ST_DEBUG & DEBUG_TGSI) {
+ tgsi_dump(stgp->tgsi.tokens, 0);
+ debug_printf("\n");
+ }
+}
/**
* Debug- print current shader text
*/
void
-st_print_shaders(GLcontext *ctx)
+st_print_shaders(struct gl_context *ctx)
{
struct gl_shader_program *shProg = ctx->Shader.CurrentProgram;
if (shProg) {