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path: root/src/mesa/pipe/draw/draw_arrays.c
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Diffstat (limited to 'src/mesa/pipe/draw/draw_arrays.c')
-rw-r--r--src/mesa/pipe/draw/draw_arrays.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/src/mesa/pipe/draw/draw_arrays.c b/src/mesa/pipe/draw/draw_arrays.c
index 9b1426d1ec6..738fa144b22 100644
--- a/src/mesa/pipe/draw/draw_arrays.c
+++ b/src/mesa/pipe/draw/draw_arrays.c
@@ -40,271 +40,6 @@
#include "pipe/draw/draw_context.h"
#include "pipe/draw/draw_prim.h"
-#include "pipe/tgsi/core/tgsi_exec.h"
-#include "pipe/tgsi/core/tgsi_build.h"
-#include "pipe/tgsi/core/tgsi_util.h"
-
-
-/** XXX remove */
-#define VERT_RESULT_HPOS 0
-#define VERT_RESULT_MAX 24
-
-
-static INLINE unsigned
-compute_clipmask(float cx, float cy, float cz, float cw)
-{
- unsigned mask;
-#if defined(macintosh) || defined(__powerpc__)
- /* on powerpc cliptest is 17% faster in this way. */
- mask = (((cw < cx) << CLIP_RIGHT_SHIFT));
- mask |= (((cw < -cx) << CLIP_LEFT_SHIFT));
- mask |= (((cw < cy) << CLIP_TOP_SHIFT));
- mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT));
- mask |= (((cw < cz) << CLIP_FAR_SHIFT));
- mask |= (((cw < -cz) << CLIP_NEAR_SHIFT));
-#else /* !defined(macintosh)) */
- mask = 0x0;
- if (-cx + cw < 0) mask |= CLIP_RIGHT_BIT;
- if ( cx + cw < 0) mask |= CLIP_LEFT_BIT;
- if (-cy + cw < 0) mask |= CLIP_TOP_BIT;
- if ( cy + cw < 0) mask |= CLIP_BOTTOM_BIT;
- if (-cz + cw < 0) mask |= CLIP_FAR_BIT;
- if ( cz + cw < 0) mask |= CLIP_NEAR_BIT;
-#endif /* defined(macintosh) */
- return mask;
-}
-
-
-/**
- * Fetch a float[4] vertex attribute from memory, doing format/type
- * conversion as needed.
- * XXX this might be a temporary thing.
- */
-static void
-fetch_attrib4(const void *ptr, unsigned format, float attrib[4])
-{
- /* defaults */
- attrib[1] = 0.0;
- attrib[2] = 0.0;
- attrib[3] = 1.0;
- switch (format) {
- case PIPE_FORMAT_R32G32B32A32_FLOAT:
- attrib[3] = ((float *) ptr)[3];
- /* fall-through */
- case PIPE_FORMAT_R32G32B32_FLOAT:
- attrib[2] = ((float *) ptr)[2];
- /* fall-through */
- case PIPE_FORMAT_R32G32_FLOAT:
- attrib[1] = ((float *) ptr)[1];
- /* fall-through */
- case PIPE_FORMAT_R32_FLOAT:
- attrib[0] = ((float *) ptr)[0];
- break;
- default:
- assert(0);
- }
-}
-
-
-/**
- * Transform vertices with the current vertex program/shader
- * Up to four vertices can be shaded at a time.
- * \param vbuffer the input vertex data
- * \param elts indexes of four input vertices
- * \param count number of vertices to shade [1..4]
- * \param vOut array of pointers to four output vertices
- */
-static void
-run_vertex_program(struct draw_context *draw,
- unsigned elts[4], unsigned count,
- struct vertex_header *vOut[])
-{
- struct tgsi_exec_machine machine;
- unsigned int j;
-
- ALIGN16_DECL(struct tgsi_exec_vector, inputs, PIPE_ATTRIB_MAX);
- ALIGN16_DECL(struct tgsi_exec_vector, outputs, PIPE_ATTRIB_MAX);
- const float *scale = draw->viewport.scale;
- const float *trans = draw->viewport.translate;
-
- assert(count <= 4);
-
-#ifdef DEBUG
- memset( &machine, 0, sizeof( machine ) );
-#endif
-
- /* init machine state */
- tgsi_exec_machine_init(&machine,
- draw->vertex_shader.tokens,
- PIPE_MAX_SAMPLERS,
- NULL /*samplers*/ );
-
- /* Consts does not require 16 byte alignment. */
- machine.Consts = draw->vertex_shader.constants->constant;
-
- machine.Inputs = ALIGN16_ASSIGN(inputs);
- machine.Outputs = ALIGN16_ASSIGN(outputs);
-
-
- if (0)
- {
- unsigned attr;
- for (attr = 0; attr < 16; attr++) {
- if (draw->vertex_shader.inputs_read & (1 << attr)) {
- printf("attr %d: buf_off %d src_off %d pitch %d\n",
- attr,
- draw->vertex_buffer[attr].buffer_offset,
- draw->vertex_element[attr].src_offset,
- draw->vertex_buffer[attr].pitch);
- }
- }
- }
-
- /* load machine inputs */
- for (j = 0; j < count; j++) {
- unsigned attr;
- for (attr = 0; attr < 16; attr++) {
- if (draw->vertex_shader.inputs_read & (1 << attr)) {
- unsigned buf = draw->vertex_element[attr].vertex_buffer_index;
- const void *src
- = (const void *) ((const ubyte *) draw->mapped_vbuffer[buf]
- + draw->vertex_buffer[buf].buffer_offset
- + draw->vertex_element[attr].src_offset
- + elts[j] * draw->vertex_buffer[buf].pitch);
- float p[4];
-
- fetch_attrib4(src, draw->vertex_element[attr].src_format, p);
-
- machine.Inputs[attr].xyzw[0].f[j] = p[0]; /*X*/
- machine.Inputs[attr].xyzw[1].f[j] = p[1]; /*Y*/
- machine.Inputs[attr].xyzw[2].f[j] = p[2]; /*Z*/
- machine.Inputs[attr].xyzw[3].f[j] = p[3]; /*W*/
-#if 0
- if (attr == 0) {
- printf("Input vertex %d: %f %f %f\n",
- j, p[0], p[1], p[2]);
- }
-#endif
- }
- }
- }
-
-#if 0
- printf("Consts:\n");
- for (i = 0; i < 4; i++) {
- printf(" %d: %f %f %f %f\n", i,
- machine.Consts[i][0],
- machine.Consts[i][1],
- machine.Consts[i][2],
- machine.Consts[i][3]);
- }
-#endif
-
- /* run shader */
- tgsi_exec_machine_run( &machine );
-
-#if 0
- printf("VS result: %f %f %f %f\n",
- outputs[0].xyzw[0].f[0],
- outputs[0].xyzw[1].f[0],
- outputs[0].xyzw[2].f[0],
- outputs[0].xyzw[3].f[0]);
-#endif
-
- /* store machine results */
- assert(draw->vertex_shader.outputs_written & (1 << VERT_RESULT_HPOS));
- for (j = 0; j < count; j++) {
- unsigned attr, slot;
- float x, y, z, w;
-
- /* Handle attr[0] (position) specially: */
- x = vOut[j]->clip[0] = outputs[0].xyzw[0].f[j];
- y = vOut[j]->clip[1] = outputs[0].xyzw[1].f[j];
- z = vOut[j]->clip[2] = outputs[0].xyzw[2].f[j];
- w = vOut[j]->clip[3] = outputs[0].xyzw[3].f[j];
-
- vOut[j]->clipmask = compute_clipmask(x, y, z, w);
- vOut[j]->edgeflag = 1;
-
- /* divide by w */
- w = 1.0 / w;
- x *= w;
- y *= w;
- z *= w;
-
- /* Viewport mapping */
- vOut[j]->data[0][0] = x * scale[0] + trans[0];
- vOut[j]->data[0][1] = y * scale[1] + trans[1];
- vOut[j]->data[0][2] = z * scale[2] + trans[2];
- vOut[j]->data[0][3] = w;
-#if 0
- printf("wincoord: %f %f %f %f\n",
- vOut[j]->data[0][0],
- vOut[j]->data[0][1],
- vOut[j]->data[0][2],
- vOut[j]->data[0][3]);
-#endif
-
- /* remaining attributes: */
- /* pack into sequential post-transform attrib slots */
- slot = 1;
- for (attr = 1; attr < VERT_RESULT_MAX; attr++) {
- if (draw->vertex_shader.outputs_written & (1 << attr)) {
- assert(slot < draw->nr_attrs);
- vOut[j]->data[slot][0] = outputs[attr].xyzw[0].f[j];
- vOut[j]->data[slot][1] = outputs[attr].xyzw[1].f[j];
- vOut[j]->data[slot][2] = outputs[attr].xyzw[2].f[j];
- vOut[j]->data[slot][3] = outputs[attr].xyzw[3].f[j];
- slot++;
- }
- }
- }
-
-#if 0
- memcpy(
- quad->outputs.color,
- &machine.Outputs[1].xyzw[0].f[0],
- sizeof( quad->outputs.color ) );
-#endif
-}
-
-
-/**
- * Called by the draw module when the vertx cache needs to be flushed.
- * This involves running the vertex shader.
- */
-static void vs_flush( struct draw_context *draw )
-{
- unsigned i, j;
-
- /* run vertex shader on vertex cache entries, four per invokation */
- for (i = 0; i < draw->vs.queue_nr; i += 4) {
- struct vertex_header *dests[4];
- unsigned elts[4];
- int n;
-
- for (j = 0; j < 4; j++) {
- elts[j] = draw->vs.queue[i + j].elt;
- dests[j] = draw->vs.queue[i + j].dest;
- }
-
- n = MIN2(4, draw->vs.queue_nr - i);
- assert(n > 0);
- assert(n <= 4);
-
- run_vertex_program(draw, elts, n, dests);
- }
-
- draw->vs.queue_nr = 0;
-}
-
-
-void draw_set_mapped_vertex_buffer(struct draw_context *draw,
- unsigned attr, const void *buffer)
-{
- draw->mapped_vbuffer[attr] = buffer;
-}
-
/**
* Draw vertex arrays
@@ -320,8 +55,6 @@ draw_arrays(struct draw_context *draw, unsigned prim,
/* tell drawing pipeline we're beginning drawing */
draw->pipeline.first->begin( draw->pipeline.first );
- draw->vs_flush = vs_flush;
-
draw_invalidate_vcache( draw );
draw_set_prim( draw, prim );
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