73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
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#include "sp_context.h"
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void
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sp_build_quad_pipeline(struct softpipe_context *sp)
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{
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/* build up the pipeline in reverse order... */
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sp->quad.first = sp->quad.output;
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if (sp->blend->colormask != 0xf) {
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sp->quad.colormask->next = sp->quad.first;
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sp->quad.first = sp->quad.colormask;
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}
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if (sp->blend->blend_enable) {
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sp->quad.blend->next = sp->quad.first;
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sp->quad.first = sp->quad.blend;
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}
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if (sp->framebuffer.num_cbufs == 1) {
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/* the usual case: write to exactly one colorbuf */
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sp->cbuf = sp->framebuffer.cbufs[0];
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}
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else {
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/* insert bufloop stage */
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sp->quad.bufloop->next = sp->quad.first;
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sp->quad.first = sp->quad.bufloop;
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}
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if (sp->depth_stencil->depth.occlusion_count) {
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sp->quad.occlusion->next = sp->quad.first;
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sp->quad.first = sp->quad.occlusion;
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}
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if (sp->rasterizer->poly_smooth ||
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sp->rasterizer->line_smooth ||
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sp->rasterizer->point_smooth) {
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sp->quad.coverage->next = sp->quad.first;
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sp->quad.first = sp->quad.coverage;
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}
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if ( sp->depth_stencil->stencil.front_enabled
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|| sp->depth_stencil->stencil.back_enabled) {
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sp->quad.stencil_test->next = sp->quad.first;
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sp->quad.first = sp->quad.stencil_test;
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}
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else if (sp->depth_stencil->depth.enabled &&
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sp->framebuffer.zbuf) {
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sp->quad.depth_test->next = sp->quad.first;
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sp->quad.first = sp->quad.depth_test;
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}
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if (sp->alpha_test.enabled) {
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sp->quad.alpha_test->next = sp->quad.first;
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sp->quad.first = sp->quad.alpha_test;
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}
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/* XXX always enable shader? */
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if (1) {
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sp->quad.shade->next = sp->quad.first;
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sp->quad.first = sp->quad.shade;
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}
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if (sp->rasterizer->poly_stipple_enable) {
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sp->quad.polygon_stipple->next = sp->quad.first;
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sp->quad.first = sp->quad.polygon_stipple;
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}
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}
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