#if MESA
#include "main/context.h"
#include "main/macros.h"
-#include "main/colormac.h"
#endif
#define TILE_BOTTOM_LEFT 0
struct tgsi_exec_machine *mach,
struct tgsi_token *tokens,
GLuint numSamplers,
- const struct tgsi_sampler *samplers)
+ struct tgsi_sampler *samplers)
{
GLuint i, k;
struct tgsi_parse_context parse;
mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask;
}
-#if MESA
-/*
- * Fetch a texel using S texture coordinate.
- */
-static void
-fetch_texel_1d( GLcontext *ctx,
- const struct tgsi_sampler *sampler,
- const union tgsi_exec_channel *s,
- GLuint unit,
- union tgsi_exec_channel *r,
- union tgsi_exec_channel *g,
- union tgsi_exec_channel *b,
- union tgsi_exec_channel *a )
-{
- GLuint fragment_index;
- GLfloat stpq[4][4];
- GLfloat lambdas[4];
- for (fragment_index = 0; fragment_index < 4; fragment_index++) {
- stpq[fragment_index][0] = s->f[fragment_index];
- }
+static GLfloat
+compute_lambda(struct tgsi_sampler *sampler,
+ const union tgsi_exec_channel *s,
+ const union tgsi_exec_channel *t,
+ const union tgsi_exec_channel *p)
+{
+ GLfloat rho, lambda;
- if (sampler->state->min_filter != sampler->state->mag_filter) {
+ assert(s);
+ {
GLfloat dsdx = s->f[TILE_BOTTOM_RIGHT] - s->f[TILE_BOTTOM_LEFT];
GLfloat dsdy = s->f[TILE_TOP_LEFT] - s->f[TILE_BOTTOM_LEFT];
- GLfloat rho, lambda;
-
dsdx = FABSF(dsdx);
dsdy = FABSF(dsdy);
-
rho = MAX2(dsdx, dsdy) * sampler->texture->width0;
-
- lambda = LOG2(rho);
- lambda += sampler->state->lod_bias;
- lambda = CLAMP(lambda, sampler->state->min_lod, sampler->state->max_lod);
-
- /* XXX: Use the same lambda value throughout the tile. Could
- * end up with four unique values by recalculating partial
- * derivs in the other row and column, and calculating lambda
- * using the dx and dy values appropriate for each fragment in
- * the tile.
- */
- lambdas[0] =
- lambdas[1] =
- lambdas[2] =
- lambdas[3] = lambda;
}
-
- for (fragment_index = 0; fragment_index < 4; fragment_index++) {
- GLfloat rgba[4];
- sampler->get_sample(sampler, stpq[fragment_index], rgba);
- r->f[fragment_index] = rgba[0];
- g->f[fragment_index] = rgba[1];
- b->f[fragment_index] = rgba[2];
- a->f[fragment_index] = rgba[3];
- }
-}
-
-/*
- * Fetch a texel using ST texture coordinates.
- */
-static void
-fetch_texel_2d( GLcontext *ctx,
- const struct tgsi_sampler *sampler,
- const union tgsi_exec_channel *s,
- const union tgsi_exec_channel *t,
- GLuint unit,
- union tgsi_exec_channel *r,
- union tgsi_exec_channel *g,
- union tgsi_exec_channel *b,
- union tgsi_exec_channel *a )
-{
- GLuint fragment_index;
- GLfloat stpq[4][4];
- GLfloat lambdas[4];
-
- for (fragment_index = 0; fragment_index < 4; fragment_index++) {
- stpq[fragment_index][0] = s->f[fragment_index];
- stpq[fragment_index][1] = t->f[fragment_index];
- }
-
- if (sampler->state->min_filter != sampler->state->mag_filter) {
- GLfloat dsdx = s->f[TILE_BOTTOM_RIGHT] - s->f[TILE_BOTTOM_LEFT];
- GLfloat dsdy = s->f[TILE_TOP_LEFT] - s->f[TILE_BOTTOM_LEFT];
-
+ if (t) {
GLfloat dtdx = t->f[TILE_BOTTOM_RIGHT] - t->f[TILE_BOTTOM_LEFT];
GLfloat dtdy = t->f[TILE_TOP_LEFT] - t->f[TILE_BOTTOM_LEFT];
-
- GLfloat maxU, maxV, rho, lambda;
-
- dsdx = FABSF( dsdx );
- dsdy = FABSF( dsdy );
- dtdx = FABSF( dtdx );
- dtdy = FABSF( dtdy );
-
- maxU = MAX2( dsdx, dsdy ) * sampler->texture->width0;
- maxV = MAX2( dtdx, dtdy ) * sampler->texture->height0;
-
- rho = MAX2( maxU, maxV );
-
- lambda = LOG2( rho );
-
- lambda += sampler->state->lod_bias;
- lambda = CLAMP(lambda, sampler->state->min_lod, sampler->state->max_lod);
-
- /* XXX: Use the same lambda value throughout the tile. Could
- * end up with four unique values by recalculating partial
- * derivs in the other row and column, and calculating lambda
- * using the dx and dy values appropriate for each fragment in
- * the tile.
- */
- lambdas[0] =
- lambdas[1] =
- lambdas[2] =
- lambdas[3] = lambda;
+ GLfloat max;
+ dtdx = FABSF(dtdx);
+ dtdy = FABSF(dtdy);
+ max = MAX2(dtdx, dtdy) * sampler->texture->height0;
+ rho = MAX2(rho, max);
}
-
- for (fragment_index = 0; fragment_index < 4; fragment_index++) {
- GLfloat rgba[4];
- sampler->get_sample(sampler, stpq[fragment_index], rgba);
- r->f[fragment_index] = rgba[0];
- g->f[fragment_index] = rgba[1];
- b->f[fragment_index] = rgba[2];
- a->f[fragment_index] = rgba[3];
+ if (p) {
+ GLfloat dpdx = p->f[TILE_BOTTOM_RIGHT] - p->f[TILE_BOTTOM_LEFT];
+ GLfloat dpdy = p->f[TILE_TOP_LEFT] - p->f[TILE_BOTTOM_LEFT];
+ GLfloat max;
+ dpdx = FABSF(dpdx);
+ dpdy = FABSF(dpdy);
+ max = MAX2(dpdx, dpdy) * sampler->texture->depth0;
+ rho = MAX2(rho, max);
}
+
+ lambda = LOG2(rho);
+ return lambda;
}
+
/*
* Fetch a texel using STR texture coordinates.
*/
static void
-fetch_texel_3d( GLcontext *ctx,
- const struct tgsi_sampler *sampler,
- const union tgsi_exec_channel *s,
- const union tgsi_exec_channel *t,
- const union tgsi_exec_channel *p,
- GLuint unit,
- union tgsi_exec_channel *r,
- union tgsi_exec_channel *g,
- union tgsi_exec_channel *b,
- union tgsi_exec_channel *a )
+fetch_texel( struct tgsi_sampler *sampler,
+ GLfloat lambda,
+ const union tgsi_exec_channel *s,
+ const union tgsi_exec_channel *t,
+ const union tgsi_exec_channel *p,
+ GLuint unit,
+ union tgsi_exec_channel *r,
+ union tgsi_exec_channel *g,
+ union tgsi_exec_channel *b,
+ union tgsi_exec_channel *a )
{
GLuint fragment_index;
GLfloat stpq[4][4];
- GLfloat lambdas[4];
for (fragment_index = 0; fragment_index < 4; fragment_index++) {
stpq[fragment_index][0] = s->f[fragment_index];
- stpq[fragment_index][1] = t->f[fragment_index];
- stpq[fragment_index][2] = p->f[fragment_index];
+ if (t)
+ stpq[fragment_index][1] = t->f[fragment_index];
+ if (p)
+ stpq[fragment_index][2] = p->f[fragment_index];
}
- if (sampler->state->min_filter != sampler->state->mag_filter) {
- GLfloat dsdx = s->f[TILE_BOTTOM_RIGHT] - s->f[TILE_BOTTOM_LEFT];
- GLfloat dsdy = s->f[TILE_TOP_LEFT] - s->f[TILE_BOTTOM_LEFT];
-
- GLfloat dtdx = t->f[TILE_BOTTOM_RIGHT] - t->f[TILE_BOTTOM_LEFT];
- GLfloat dtdy = t->f[TILE_TOP_LEFT] - t->f[TILE_BOTTOM_LEFT];
-
- GLfloat dpdx = p->f[TILE_BOTTOM_RIGHT] - p->f[TILE_BOTTOM_LEFT];
- GLfloat dpdy = p->f[TILE_TOP_LEFT] - p->f[TILE_BOTTOM_LEFT];
-
- GLfloat maxU, maxV, maxW, rho, lambda;
-
- dsdx = FABSF(dsdx);
- dsdy = FABSF(dsdy);
- dtdx = FABSF(dtdx);
- dtdy = FABSF(dtdy);
- dpdx = FABSF(dpdx);
- dpdy = FABSF(dpdy);
-
- maxU = MAX2(dsdx, dsdy) * sampler->texture->width0;
- maxV = MAX2(dtdx, dtdy) * sampler->texture->height0;
- maxW = MAX2(dpdx, dpdy) * sampler->texture->depth0;
+ lambda += sampler->state->lod_bias;
+ lambda = CLAMP(lambda, sampler->state->min_lod, sampler->state->max_lod);
- rho = MAX2(maxU, MAX2(maxV, maxW));
-
- lambda = LOG2(rho);
- lambda += sampler->state->lod_bias;
- lambda = CLAMP(lambda, sampler->state->min_lod, sampler->state->max_lod);
-
- /* XXX: Use the same lambda value throughout the tile. Could
- * end up with four unique values by recalculating partial
- * derivs in the other row and column, and calculating lambda
- * using the dx and dy values appropriate for each fragment in
- * the tile.
- */
- lambdas[0] =
- lambdas[1] =
- lambdas[2] =
- lambdas[3] = lambda;
- }
+ /* XXX: Use the same lambda value throughout the tile. Could
+ * end up with four unique values by recalculating partial
+ * derivs in the other row and column, and calculating lambda
+ * using the dx and dy values appropriate for each fragment in
+ * the tile.
+ */
for (fragment_index = 0; fragment_index < 4; fragment_index++) {
GLfloat rgba[4];
- sampler->get_sample(sampler, stpq[fragment_index], rgba);
+ sampler->get_sample(sampler, stpq[fragment_index], lambda, rgba);
r->f[fragment_index] = rgba[0];
g->f[fragment_index] = rgba[1];
b->f[fragment_index] = rgba[2];
a->f[fragment_index] = rgba[3];
}
}
-#endif
+
+
static void
exec_instruction(
struct tgsi_exec_labels *labels,
GLuint *programCounter )
{
-#if MESA
- GET_CURRENT_CONTEXT(ctx);
-#endif
- GLuint chan_index, unit;
+ GLuint chan_index;
union tgsi_exec_channel r[8];
switch (inst->Instruction.Opcode) {
break;
case TGSI_OPCODE_TEX:
- unit = inst->FullSrcRegisters[1].SrcRegister.Index;
- switch (inst->InstructionExtTexture.Texture) {
- case TGSI_TEXTURE_1D:
+ {
+ const GLuint unit = inst->FullSrcRegisters[1].SrcRegister.Index;
+ GLfloat lambda;
+ switch (inst->InstructionExtTexture.Texture) {
+ case TGSI_TEXTURE_1D:
- FETCH(&r[0], 0, CHAN_X);
+ FETCH(&r[0], 0, CHAN_X);
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
- FETCH(&r[1], 0, CHAN_W);
- micro_div( &r[0], &r[0], &r[1] );
- break;
+ switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
+ case TGSI_EXTSWIZZLE_W:
+ FETCH(&r[1], 0, CHAN_W);
+ micro_div( &r[0], &r[0], &r[1] );
+ break;
+
+ case TGSI_EXTSWIZZLE_ONE:
+ break;
+
+ default:
+ assert (0);
+ }
- case TGSI_EXTSWIZZLE_ONE:
+ lambda = compute_lambda(&mach->Samplers[unit], &r[0], NULL, NULL);
+ fetch_texel(&mach->Samplers[unit], lambda,
+ &r[0], NULL, NULL,
+ inst->FullSrcRegisters[1].SrcRegister.Index,
+ &r[0], &r[1], &r[2], &r[3]);
break;
- default:
- assert (0);
- }
-#if MESA
- fetch_texel_1d (ctx,
- &mach->Samplers[unit],
- &r[0],
- inst->FullSrcRegisters[1].SrcRegister.Index,
- &r[0], &r[1], &r[2], &r[3]);
-#endif
- break;
+ case TGSI_TEXTURE_2D:
+ case TGSI_TEXTURE_RECT:
- case TGSI_TEXTURE_2D:
- case TGSI_TEXTURE_RECT:
+ FETCH(&r[0], 0, CHAN_X);
+ FETCH(&r[1], 0, CHAN_Y);
- FETCH(&r[0], 0, CHAN_X);
- FETCH(&r[1], 0, CHAN_Y);
+ switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
+ case TGSI_EXTSWIZZLE_W:
+ FETCH(&r[2], 0, CHAN_W);
+ micro_div( &r[0], &r[0], &r[2] );
+ micro_div( &r[1], &r[1], &r[2] );
+ break;
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
- FETCH(&r[2], 0, CHAN_W);
- micro_div( &r[0], &r[0], &r[2] );
- micro_div( &r[1], &r[1], &r[2] );
- break;
+ case TGSI_EXTSWIZZLE_ONE:
+ break;
- case TGSI_EXTSWIZZLE_ONE:
+ default:
+ assert (0);
+ }
+
+ lambda = compute_lambda(&mach->Samplers[unit], &r[0], &r[1], NULL);
+ fetch_texel(&mach->Samplers[unit],
+ lambda,
+ &r[0], &r[1], NULL,
+ inst->FullSrcRegisters[1].SrcRegister.Index,
+ &r[0], &r[1], &r[2], &r[3]);
break;
- default:
- assert (0);
- }
+ case TGSI_TEXTURE_3D:
+ case TGSI_TEXTURE_CUBE:
-#if MESA
- fetch_texel_2d (ctx,
- &mach->Samplers[unit],
- &r[0], &r[1],
- inst->FullSrcRegisters[1].SrcRegister.Index,
- &r[0], &r[1], &r[2], &r[3]);
-#endif
- break;
+ FETCH(&r[0], 0, CHAN_X);
+ FETCH(&r[1], 0, CHAN_Y);
+ FETCH(&r[2], 0, CHAN_Z);
- case TGSI_TEXTURE_3D:
- case TGSI_TEXTURE_CUBE:
+ switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
+ case TGSI_EXTSWIZZLE_W:
+ FETCH(&r[3], 0, CHAN_W);
+ micro_div( &r[0], &r[0], &r[3] );
+ micro_div( &r[1], &r[1], &r[3] );
+ micro_div( &r[2], &r[2], &r[3] );
+ break;
- FETCH(&r[0], 0, CHAN_X);
- FETCH(&r[1], 0, CHAN_Y);
- FETCH(&r[2], 0, CHAN_Z);
+ case TGSI_EXTSWIZZLE_ONE:
+ break;
- switch (inst->FullSrcRegisters[0].SrcRegisterExtSwz.ExtDivide) {
- case TGSI_EXTSWIZZLE_W:
- FETCH(&r[3], 0, CHAN_W);
- micro_div( &r[0], &r[0], &r[3] );
- micro_div( &r[1], &r[1], &r[3] );
- micro_div( &r[2], &r[2], &r[3] );
- break;
+ default:
+ assert (0);
+ }
- case TGSI_EXTSWIZZLE_ONE:
+ lambda = compute_lambda(&mach->Samplers[unit], &r[0], &r[1], &r[2]);
+ fetch_texel(&mach->Samplers[unit],
+ lambda,
+ &r[0], &r[1], &r[2],
+ inst->FullSrcRegisters[1].SrcRegister.Index,
+ &r[0], &r[1], &r[2], &r[3]);
break;
default:
assert (0);
}
-#if MESA
- fetch_texel_3d (ctx,
- &mach->Samplers[unit],
- &r[0], &r[1], &r[2],
- inst->FullSrcRegisters[1].SrcRegister.Index,
- &r[0], &r[1], &r[2], &r[3]);
-#endif
- break;
-
- default:
- assert (0);
- }
-
- FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
- STORE( &r[chan_index], 0, chan_index );
+ FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) {
+ STORE( &r[chan_index], 0, chan_index );
+ }
}
break;
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