#include "sp_context.h"
#include "sp_state.h"
-#include "sp_headers.h"
#include "sp_quad.h"
+#include "sp_quad_pipe.h"
#include "sp_texture.h"
#include "sp_tex_sample.h"
struct quad_shade_stage
{
struct quad_stage stage; /**< base class */
- struct tgsi_exec_machine machine;
+ struct tgsi_exec_machine *machine;
struct tgsi_exec_vector *inputs, *outputs;
};
}
-
/**
* Execute fragment shader for the four fragments in the quad.
*/
-static void
-shade_quad(
- struct quad_stage *qs,
- struct quad_header *quad )
+static INLINE boolean
+shade_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct quad_shade_stage *qss = quad_shade_stage( qs );
struct softpipe_context *softpipe = qs->softpipe;
- struct tgsi_exec_machine *machine = &qss->machine;
- boolean z_written;
-
- /* Consts do not require 16 byte alignment. */
- machine->Consts = softpipe->mapped_constants[PIPE_SHADER_FRAGMENT];
-
- machine->InterpCoefs = quad->coef;
+ struct tgsi_exec_machine *machine = qss->machine;
/* run shader */
- quad->inout.mask &= softpipe->fs->run( softpipe->fs,
- &qss->machine,
- quad );
-
- /* store outputs */
- z_written = FALSE;
- {
- const ubyte *sem_name = softpipe->fs->info.output_semantic_name;
- const ubyte *sem_index = softpipe->fs->info.output_semantic_index;
- const uint n = qss->stage.softpipe->fs->info.num_outputs;
- uint i;
- for (i = 0; i < n; i++) {
- switch (sem_name[i]) {
- case TGSI_SEMANTIC_COLOR:
- {
- uint cbuf = sem_index[i];
- memcpy(quad->output.color[cbuf],
- &machine->Outputs[i].xyzw[0].f[0],
- sizeof(quad->output.color[0]) );
- }
- break;
- case TGSI_SEMANTIC_POSITION:
- {
- uint j;
- for (j = 0; j < 4; j++) {
- quad->output.depth[j] = machine->Outputs[0].xyzw[2].f[j];
- }
- z_written = TRUE;
- }
- break;
- }
+ return softpipe->fs->run( softpipe->fs, machine, quad );
+}
+
+
+
+static void
+coverage_quad(struct quad_stage *qs, struct quad_header *quad)
+{
+ struct softpipe_context *softpipe = qs->softpipe;
+ uint cbuf;
+
+ /* loop over colorbuffer outputs */
+ for (cbuf = 0; cbuf < softpipe->framebuffer.nr_cbufs; cbuf++) {
+ float (*quadColor)[4] = quad->output.color[cbuf];
+ unsigned j;
+ for (j = 0; j < QUAD_SIZE; j++) {
+ assert(quad->input.coverage[j] >= 0.0);
+ assert(quad->input.coverage[j] <= 1.0);
+ quadColor[3][j] *= quad->input.coverage[j];
}
}
+}
- if (!z_written) {
- /* compute Z values now, as in the quad earlyz stage */
- /* XXX we should really only do this if the earlyz stage is not used */
- const float fx = (float) quad->input.x0;
- const float fy = (float) quad->input.y0;
- const float dzdx = quad->posCoef->dadx[2];
- const float dzdy = quad->posCoef->dady[2];
- const float z0 = quad->posCoef->a0[2] + dzdx * fx + dzdy * fy;
-
- quad->output.depth[0] = z0;
- quad->output.depth[1] = z0 + dzdx;
- quad->output.depth[2] = z0 + dzdy;
- quad->output.depth[3] = z0 + dzdx + dzdy;
- }
- /* shader may cull fragments */
- if( quad->inout.mask ) {
- qs->next->run( qs->next, quad );
+
+static void
+shade_quads(struct quad_stage *qs,
+ struct quad_header *quads[],
+ unsigned nr)
+{
+ struct quad_shade_stage *qss = quad_shade_stage( qs );
+ struct softpipe_context *softpipe = qs->softpipe;
+ struct tgsi_exec_machine *machine = qss->machine;
+
+ unsigned i, pass = 0;
+
+ machine->Consts = softpipe->mapped_constants[PIPE_SHADER_FRAGMENT];
+ machine->InterpCoefs = quads[0]->coef;
+
+ for (i = 0; i < nr; i++) {
+ if (!shade_quad(qs, quads[i]))
+ continue;
+
+ if (/*do_coverage*/ 0)
+ coverage_quad( qs, quads[i] );
+
+ quads[pass++] = quads[i];
}
+
+ if (pass)
+ qs->next->run(qs->next, quads, pass);
}
+
+
+
+
/**
* Per-primitive (or per-begin?) setup
*/
-static void shade_begin(struct quad_stage *qs)
+static void
+shade_begin(struct quad_stage *qs)
{
struct quad_shade_stage *qss = quad_shade_stage(qs);
struct softpipe_context *softpipe = qs->softpipe;
softpipe->fs->prepare( softpipe->fs,
- &qss->machine,
+ qss->machine,
(struct tgsi_sampler **)
softpipe->tgsi.frag_samplers_list );
}
-static void shade_destroy(struct quad_stage *qs)
+static void
+shade_destroy(struct quad_stage *qs)
{
struct quad_shade_stage *qss = (struct quad_shade_stage *) qs;
- tgsi_exec_machine_free_data(&qss->machine);
- FREE( qss->inputs );
- FREE( qss->outputs );
+ tgsi_exec_machine_destroy(qss->machine);
+
FREE( qs );
}
-struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe )
+struct quad_stage *
+sp_quad_shade_stage( struct softpipe_context *softpipe )
{
struct quad_shade_stage *qss = CALLOC_STRUCT(quad_shade_stage);
- uint i;
-
- /* allocate storage for program inputs/outputs, aligned to 16 bytes */
- qss->inputs = MALLOC(PIPE_MAX_ATTRIBS * sizeof(*qss->inputs) + 16);
- qss->outputs = MALLOC(PIPE_MAX_ATTRIBS * sizeof(*qss->outputs) + 16);
- qss->machine.Inputs = align16(qss->inputs);
- qss->machine.Outputs = align16(qss->outputs);
+ if (!qss)
+ goto fail;
qss->stage.softpipe = softpipe;
qss->stage.begin = shade_begin;
- qss->stage.run = shade_quad;
+ qss->stage.run = shade_quads;
qss->stage.destroy = shade_destroy;
- tgsi_exec_machine_init( &qss->machine );
+ qss->machine = tgsi_exec_machine_create();
+ if (!qss->machine)
+ goto fail;
return &qss->stage;
+
+fail:
+ if (qss && qss->machine)
+ tgsi_exec_machine_destroy(qss->machine);
+
+ FREE(qss);
+ return NULL;
}
projects / mesa.git / blobdiff