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https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-05-08 09:08:10 +02:00
Rewrite blending in terms of SIMD operations.
This commit is contained in:
Brian
parent
a813f65487
commit
f6d4f5e1e9
1 changed files with 324 additions and 107 deletions
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@ -40,130 +40,347 @@
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#include "sp_quad.h"
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#define VEC4_COPY(DST, SRC) \
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do { \
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DST[0] = SRC[0]; \
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DST[1] = SRC[1]; \
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DST[2] = SRC[2]; \
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DST[3] = SRC[3]; \
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} while(0)
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#define VEC4_SCALAR(DST, SRC) \
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do { \
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DST[0] = SRC; \
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DST[1] = SRC; \
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DST[2] = SRC; \
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DST[3] = SRC; \
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} while(0)
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#define VEC4_ADD(SUM, A, B) \
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do { \
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SUM[0] = A[0] + B[0]; \
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SUM[1] = A[1] + B[1]; \
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SUM[2] = A[2] + B[2]; \
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SUM[3] = A[3] + B[3]; \
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} while (0)
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#define VEC4_SUB(SUM, A, B) \
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do { \
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SUM[0] = A[0] - B[0]; \
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SUM[1] = A[1] - B[1]; \
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SUM[2] = A[2] - B[2]; \
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SUM[3] = A[3] - B[3]; \
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} while (0)
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#define VEC4_MUL(SUM, A, B) \
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do { \
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SUM[0] = A[0] * B[0]; \
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SUM[1] = A[1] * B[1]; \
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SUM[2] = A[2] * B[2]; \
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SUM[3] = A[3] * B[3]; \
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} while (0)
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#define VEC4_MIN(SUM, A, B) \
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do { \
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SUM[0] = (A[0] < B[0]) ? A[0] : B[0]; \
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SUM[1] = (A[1] < B[1]) ? A[1] : B[1]; \
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SUM[2] = (A[2] < B[2]) ? A[2] : B[2]; \
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SUM[3] = (A[3] < B[3]) ? A[3] : B[3]; \
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} while (0)
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#define VEC4_MAX(SUM, A, B) \
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do { \
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SUM[0] = (A[0] > B[0]) ? A[0] : B[0]; \
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SUM[1] = (A[1] > B[1]) ? A[1] : B[1]; \
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SUM[2] = (A[2] > B[2]) ? A[2] : B[2]; \
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SUM[3] = (A[3] > B[3]) ? A[3] : B[3]; \
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} while (0)
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static void
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blend_quad(struct quad_stage *qs, struct quad_header *quad)
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{
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static const GLfloat zero[4] = { 0, 0, 0, 0 };
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static const GLfloat one[4] = { 1, 1, 1, 1 };
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struct softpipe_context *softpipe = qs->softpipe;
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GLfloat source[4][QUAD_SIZE], dest[4][QUAD_SIZE];
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GLuint i, j;
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GLuint i;
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/* XXX we're also looping in output_quad() !?! */
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/* copy quad's colors since we'll modify them in the loop */
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memcpy(source, quad->outputs.color, 4 * 4 * sizeof(GLfloat));
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for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) {
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GLfloat srcTerm[4], dstTerm[4];
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struct softpipe_surface *sps
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= softpipe_surface(softpipe->framebuffer.cbufs[i]);
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sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
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/* XXX this loop could be factored out - we'd compute the src/dstTerm
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* for all four pixels in the quad at once.
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/*
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* Compute src/first term RGB
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*/
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for (j = 0; j < QUAD_SIZE; j++) {
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/* if this pixel in the quad is alive */
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if (quad->mask & (1 << j)) {
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switch (softpipe->blend.rgb_src_factor) {
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case PIPE_BLENDFACTOR_ONE:
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srcTerm[0] = srcTerm[1] = srcTerm[2] = 1.0;
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break;
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case PIPE_BLENDFACTOR_SRC_ALPHA:
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srcTerm[0] = srcTerm[1] = srcTerm[2] = quad->outputs.color[3][j];
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break;
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case PIPE_BLENDFACTOR_ZERO:
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srcTerm[0] = srcTerm[1] = srcTerm[2] = 0.0;
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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switch (softpipe->blend.alpha_src_factor) {
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case PIPE_BLENDFACTOR_ONE:
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srcTerm[3] = 1.0;
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break;
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case PIPE_BLENDFACTOR_SRC_ALPHA:
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srcTerm[3] = quad->outputs.color[3][j];
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break;
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case PIPE_BLENDFACTOR_ZERO:
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srcTerm[3] = 0.0;
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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switch (softpipe->blend.rgb_dst_factor) {
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case PIPE_BLENDFACTOR_ONE:
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dstTerm[0] = dstTerm[1] = dstTerm[2] = 1.0;
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break;
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case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
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dstTerm[0] = dstTerm[1] = dstTerm[2] = 1.0 - quad->outputs.color[3][j];
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break;
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case PIPE_BLENDFACTOR_ZERO:
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dstTerm[0] = dstTerm[1] = dstTerm[2] = 0.0;
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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switch (softpipe->blend.alpha_dst_factor) {
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case PIPE_BLENDFACTOR_ONE:
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dstTerm[3] = 1.0;
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break;
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case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
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dstTerm[3] = 1.0 - quad->outputs.color[3][j];
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break;
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case PIPE_BLENDFACTOR_ZERO:
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dstTerm[3] = 0.0;
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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switch (softpipe->blend.rgb_func) {
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case PIPE_BLEND_ADD:
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quad->outputs.color[0][j] = source[0][j] * srcTerm[0] + dest[0][j] * dstTerm[0];
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quad->outputs.color[1][j] = source[1][j] * srcTerm[1] + dest[1][j] * dstTerm[1];
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quad->outputs.color[2][j] = source[2][j] * srcTerm[2] + dest[2][j] * dstTerm[2];
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quad->outputs.color[3][j] = source[3][j] * srcTerm[3] + dest[3][j] * dstTerm[3];
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break;
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case PIPE_BLEND_SUBTRACT:
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quad->outputs.color[0][j] = source[0][j] * srcTerm[0] - dest[0][j] * dstTerm[0];
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quad->outputs.color[1][j] = source[1][j] * srcTerm[1] - dest[1][j] * dstTerm[1];
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quad->outputs.color[2][j] = source[2][j] * srcTerm[2] - dest[2][j] * dstTerm[2];
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quad->outputs.color[3][j] = source[3][j] * srcTerm[3] - dest[3][j] * dstTerm[3];
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break;
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case PIPE_BLEND_REVERSE_SUBTRACT:
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quad->outputs.color[0][j] = dest[0][j] * dstTerm[0] - source[0][j] * srcTerm[0];
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quad->outputs.color[1][j] = dest[1][j] * dstTerm[1] - source[1][j] * srcTerm[1];
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quad->outputs.color[2][j] = dest[2][j] * dstTerm[2] - source[2][j] * srcTerm[2];
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quad->outputs.color[3][j] = dest[3][j] * dstTerm[3] - source[3][j] * srcTerm[3];
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break;
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case PIPE_BLEND_MIN:
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quad->outputs.color[0][j] = MIN2(dest[0][j], source[0][j]);
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quad->outputs.color[1][j] = MIN2(dest[1][j], source[1][j]);
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quad->outputs.color[2][j] = MIN2(dest[2][j], source[2][j]);
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quad->outputs.color[3][j] = MIN2(dest[3][j], source[3][j]);
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break;
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case PIPE_BLEND_MAX:
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quad->outputs.color[0][j] = MAX2(dest[0][j], source[0][j]);
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quad->outputs.color[1][j] = MAX2(dest[1][j], source[1][j]);
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quad->outputs.color[2][j] = MAX2(dest[2][j], source[2][j]);
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quad->outputs.color[3][j] = MAX2(dest[3][j], source[3][j]);
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break;
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default:
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abort();
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}
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switch (softpipe->blend.rgb_src_factor) {
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case PIPE_BLENDFACTOR_ONE:
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VEC4_COPY(source[0], quad->outputs.color[0]); /* R */
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VEC4_COPY(source[1], quad->outputs.color[1]); /* G */
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VEC4_COPY(source[2], quad->outputs.color[2]); /* B */
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break;
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case PIPE_BLENDFACTOR_SRC_COLOR:
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VEC4_MUL(source[0], quad->outputs.color[0], quad->outputs.color[0]); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], quad->outputs.color[1]); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], quad->outputs.color[2]); /* B */
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break;
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case PIPE_BLENDFACTOR_SRC_ALPHA:
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{
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const GLfloat *alpha = quad->outputs.color[3];
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VEC4_MUL(source[0], quad->outputs.color[0], alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], alpha); /* B */
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}
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} /* loop over quad's pixels*/
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break;
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case PIPE_BLENDFACTOR_DST_COLOR:
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VEC4_MUL(source[0], quad->outputs.color[0], dest[0]); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], dest[1]); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], dest[2]); /* B */
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break;
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case PIPE_BLENDFACTOR_DST_ALPHA:
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{
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const GLfloat *alpha = dest[3];
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VEC4_MUL(source[0], quad->outputs.color[0], alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
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assert(0); /* to do */
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break;
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case PIPE_BLENDFACTOR_CONST_COLOR:
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{
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GLfloat comp[4];
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VEC4_SCALAR(comp, softpipe->blend_color.color[0]); /* R */
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VEC4_MUL(source[0], quad->outputs.color[0], comp); /* R */
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VEC4_SCALAR(comp, softpipe->blend_color.color[1]); /* G */
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VEC4_MUL(source[1], quad->outputs.color[1], comp); /* G */
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VEC4_SCALAR(comp, softpipe->blend_color.color[2]); /* B */
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VEC4_MUL(source[2], quad->outputs.color[2], comp); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_CONST_ALPHA:
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{
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GLfloat alpha[4];
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VEC4_SCALAR(alpha, softpipe->blend_color.color[3]);
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VEC4_MUL(source[0], quad->outputs.color[0], alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_SRC1_COLOR:
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assert(0); /* to do */
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break;
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case PIPE_BLENDFACTOR_SRC1_ALPHA:
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assert(0); /* to do */
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break;
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case PIPE_BLENDFACTOR_ZERO:
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VEC4_COPY(source[0], zero); /* R */
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VEC4_COPY(source[1], zero); /* G */
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VEC4_COPY(source[2], zero); /* B */
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break;
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case PIPE_BLENDFACTOR_INV_SRC_COLOR:
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{
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GLfloat inv_comp[4];
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VEC4_SUB(inv_comp, one, quad->outputs.color[0]); /* R */
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VEC4_MUL(source[0], quad->outputs.color[0], inv_comp); /* R */
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VEC4_SUB(inv_comp, one, quad->outputs.color[1]); /* G */
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VEC4_MUL(source[1], quad->outputs.color[1], inv_comp); /* G */
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VEC4_SUB(inv_comp, one, quad->outputs.color[2]); /* B */
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VEC4_MUL(source[2], quad->outputs.color[2], inv_comp); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
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{
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GLfloat inv_alpha[4];
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VEC4_SUB(inv_alpha, one, quad->outputs.color[3]);
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VEC4_MUL(source[0], quad->outputs.color[0], inv_alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], inv_alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], inv_alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_INV_DST_ALPHA:
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{
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GLfloat inv_alpha[4];
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VEC4_SUB(inv_alpha, one, dest[3]);
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VEC4_MUL(source[0], quad->outputs.color[0], inv_alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], inv_alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], inv_alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_INV_DST_COLOR:
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{
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GLfloat inv_comp[4];
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VEC4_SUB(inv_comp, one, dest[0]); /* R */
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VEC4_MUL(source[0], quad->outputs.color[0], inv_comp); /* R */
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VEC4_SUB(inv_comp, one, dest[1]); /* G */
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VEC4_MUL(source[1], quad->outputs.color[1], inv_comp); /* G */
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VEC4_SUB(inv_comp, one, dest[2]); /* B */
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VEC4_MUL(source[2], quad->outputs.color[2], inv_comp); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_INV_CONST_COLOR:
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{
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GLfloat inv_comp[4];
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/* R */
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VEC4_SCALAR(inv_comp, 1.0 - softpipe->blend_color.color[0]);
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VEC4_MUL(source[0], quad->outputs.color[0], inv_comp);
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/* G */
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VEC4_SCALAR(inv_comp, 1.0 - softpipe->blend_color.color[1]);
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VEC4_MUL(source[1], quad->outputs.color[1], inv_comp);
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/* B */
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VEC4_SCALAR(inv_comp, 1.0 - softpipe->blend_color.color[2]);
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VEC4_MUL(source[2], quad->outputs.color[2], inv_comp);
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}
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break;
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case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
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{
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GLfloat alpha[4], inv_alpha[4];
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VEC4_SCALAR(alpha, 1.0 - softpipe->blend_color.color[3]);
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VEC4_MUL(source[0], quad->outputs.color[0], inv_alpha); /* R */
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VEC4_MUL(source[1], quad->outputs.color[1], inv_alpha); /* G */
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VEC4_MUL(source[2], quad->outputs.color[2], inv_alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
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assert(0); /* to do */
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break;
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case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
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assert(0); /* to do */
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break;
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default:
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abort();
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}
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/*
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* Compute src/first term A
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*/
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switch (softpipe->blend.alpha_src_factor) {
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case PIPE_BLENDFACTOR_ONE:
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VEC4_COPY(source[3], quad->outputs.color[3]); /* A */
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break;
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case PIPE_BLENDFACTOR_SRC_ALPHA:
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{
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const GLfloat *alpha = quad->outputs.color[3];
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VEC4_MUL(source[3], quad->outputs.color[3], alpha); /* A */
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}
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break;
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case PIPE_BLENDFACTOR_ZERO:
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VEC4_COPY(source[3], zero); /* A */
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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/*
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* Compute dest/second term RGB
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*/
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switch (softpipe->blend.rgb_dst_factor) {
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case PIPE_BLENDFACTOR_ONE:
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/* dest = dest * 1 NO-OP, leave dest as-is */
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break;
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case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
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{
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GLfloat one_minus_alpha[QUAD_SIZE];
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VEC4_SUB(one_minus_alpha, one, quad->outputs.color[3]);
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VEC4_MUL(dest[0], dest[0], one_minus_alpha); /* R */
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VEC4_MUL(dest[1], dest[1], one_minus_alpha); /* G */
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VEC4_MUL(dest[2], dest[2], one_minus_alpha); /* B */
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}
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break;
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case PIPE_BLENDFACTOR_ZERO:
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VEC4_COPY(dest[0], zero); /* R */
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VEC4_COPY(dest[1], zero); /* G */
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VEC4_COPY(dest[2], zero); /* B */
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break;
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/* XXX fill in remaining terms */
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default:
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abort();
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}
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/*
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* Compute dest/second term A
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*/
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switch (softpipe->blend.alpha_dst_factor) {
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case PIPE_BLENDFACTOR_ONE:
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/* dest = dest * 1 NO-OP, leave dest as-is */
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break;
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case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
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{
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GLfloat one_minus_alpha[QUAD_SIZE];
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VEC4_SUB(one_minus_alpha, one, quad->outputs.color[3]);
|
||||
VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* A */
|
||||
}
|
||||
break;
|
||||
case PIPE_BLENDFACTOR_ZERO:
|
||||
VEC4_COPY(dest[3], zero); /* A */
|
||||
break;
|
||||
/* XXX fill in remaining terms */
|
||||
default:
|
||||
abort();
|
||||
}
|
||||
|
||||
/*
|
||||
* Combine RGB terms
|
||||
*/
|
||||
switch (softpipe->blend.rgb_func) {
|
||||
case PIPE_BLEND_ADD:
|
||||
VEC4_ADD(quad->outputs.color[0], source[0], dest[0]); /* R */
|
||||
VEC4_ADD(quad->outputs.color[1], source[1], dest[1]); /* G */
|
||||
VEC4_ADD(quad->outputs.color[2], source[2], dest[2]); /* B */
|
||||
break;
|
||||
case PIPE_BLEND_SUBTRACT:
|
||||
VEC4_SUB(quad->outputs.color[0], source[0], dest[0]); /* R */
|
||||
VEC4_SUB(quad->outputs.color[1], source[1], dest[1]); /* G */
|
||||
VEC4_SUB(quad->outputs.color[2], source[2], dest[2]); /* B */
|
||||
break;
|
||||
case PIPE_BLEND_REVERSE_SUBTRACT:
|
||||
VEC4_SUB(quad->outputs.color[0], dest[0], source[0]); /* R */
|
||||
VEC4_SUB(quad->outputs.color[1], dest[1], source[1]); /* G */
|
||||
VEC4_SUB(quad->outputs.color[2], dest[2], source[2]); /* B */
|
||||
break;
|
||||
case PIPE_BLEND_MIN:
|
||||
VEC4_MIN(quad->outputs.color[0], source[0], dest[0]); /* R */
|
||||
VEC4_MIN(quad->outputs.color[1], source[1], dest[1]); /* G */
|
||||
VEC4_MIN(quad->outputs.color[2], source[2], dest[2]); /* B */
|
||||
break;
|
||||
case PIPE_BLEND_MAX:
|
||||
VEC4_MAX(quad->outputs.color[0], source[0], dest[0]); /* R */
|
||||
VEC4_MAX(quad->outputs.color[1], source[1], dest[1]); /* G */
|
||||
VEC4_MAX(quad->outputs.color[2], source[2], dest[2]); /* B */
|
||||
break;
|
||||
default:
|
||||
abort();
|
||||
}
|
||||
|
||||
/*
|
||||
* Combine A terms
|
||||
*/
|
||||
switch (softpipe->blend.alpha_func) {
|
||||
case PIPE_BLEND_ADD:
|
||||
VEC4_ADD(quad->outputs.color[3], source[3], dest[3]); /* A */
|
||||
break;
|
||||
case PIPE_BLEND_SUBTRACT:
|
||||
VEC4_SUB(quad->outputs.color[3], source[3], dest[3]); /* A */
|
||||
break;
|
||||
case PIPE_BLEND_REVERSE_SUBTRACT:
|
||||
VEC4_SUB(quad->outputs.color[3], dest[3], source[3]); /* A */
|
||||
break;
|
||||
case PIPE_BLEND_MIN:
|
||||
VEC4_MIN(quad->outputs.color[3], source[3], dest[3]); /* A */
|
||||
break;
|
||||
case PIPE_BLEND_MAX:
|
||||
VEC4_MAX(quad->outputs.color[3], source[3], dest[3]); /* A */
|
||||
default:
|
||||
abort();
|
||||
}
|
||||
|
||||
/* pass blended quad to next stage */
|
||||
qs->next->run(qs->next, quad);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue