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llvmpipe: Use the generated SoA blending code.

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This commit is contained in:
José Fonseca
2009-08-09 23:10:19 +01:00
parent e7fc21434d
commit 2d6b39f05e
7 changed files with 225 additions and 780 deletions
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5
src/gallium/drivers/llvmpipe/lp_context.h
View File

@@ -46,13 +46,14 @@ struct llvmpipe_tile_cache;
struct llvmpipe_tex_tile_cache;
struct lp_fragment_shader;
struct lp_vertex_shader;
struct lp_blend_state;
struct llvmpipe_context {
struct pipe_context pipe; /**< base class */
/** Constant state objects */
const struct pipe_blend_state *blend;
struct lp_blend_state *blend;
const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
const struct pipe_depth_stencil_alpha_state *depth_stencil;
const struct pipe_rasterizer_state *rasterizer;
@@ -60,7 +61,7 @@ struct llvmpipe_context {
const struct lp_vertex_shader *vs;
/** Other rendering state */
struct pipe_blend_color blend_color;
float ALIGN16_ATTRIB blend_color[4][QUAD_SIZE];
struct pipe_clip_state clip;
struct pipe_constant_buffer constants[PIPE_SHADER_TYPES];
struct pipe_framebuffer_state framebuffer;

2
src/gallium/drivers/llvmpipe/lp_quad.h
View File

@@ -83,7 +83,7 @@ struct quad_header_inout
struct quad_header_output
{
/** colors in SOA format (rrrr, gggg, bbbb, aaaa) */
float color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][QUAD_SIZE];
float ALIGN16_ATTRIB color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][QUAD_SIZE];
float depth[QUAD_SIZE];
};

795
src/gallium/drivers/llvmpipe/lp_quad_blend.c
View File

@@ -26,96 +26,24 @@
**************************************************************************/
/**
* quad blending
* \author Brian Paul
* Quad blending.
*
* @author Jose Fonseca <jfonseca@vmware.com>
* @author Brian Paul
*/
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_debug_dump.h"
#include "lp_context.h"
#include "lp_state.h"
#include "lp_quad.h"
#include "lp_surface.h"
#include "lp_tile_cache.h"
#include "lp_quad_pipe.h"
#define VEC4_COPY(DST, SRC) \
do { \
DST[0] = SRC[0]; \
DST[1] = SRC[1]; \
DST[2] = SRC[2]; \
DST[3] = SRC[3]; \
} while(0)
#define VEC4_SCALAR(DST, SRC) \
do { \
DST[0] = SRC; \
DST[1] = SRC; \
DST[2] = SRC; \
DST[3] = SRC; \
} while(0)
#define VEC4_ADD(R, A, B) \
do { \
R[0] = A[0] + B[0]; \
R[1] = A[1] + B[1]; \
R[2] = A[2] + B[2]; \
R[3] = A[3] + B[3]; \
} while (0)
#define VEC4_SUB(R, A, B) \
do { \
R[0] = A[0] - B[0]; \
R[1] = A[1] - B[1]; \
R[2] = A[2] - B[2]; \
R[3] = A[3] - B[3]; \
} while (0)
/** Add and limit result to ceiling of 1.0 */
#define VEC4_ADD_SAT(R, A, B) \
do { \
R[0] = A[0] + B[0]; if (R[0] > 1.0f) R[0] = 1.0f; \
R[1] = A[1] + B[1]; if (R[1] > 1.0f) R[1] = 1.0f; \
R[2] = A[2] + B[2]; if (R[2] > 1.0f) R[2] = 1.0f; \
R[3] = A[3] + B[3]; if (R[3] > 1.0f) R[3] = 1.0f; \
} while (0)
/** Subtract and limit result to floor of 0.0 */
#define VEC4_SUB_SAT(R, A, B) \
do { \
R[0] = A[0] - B[0]; if (R[0] < 0.0f) R[0] = 0.0f; \
R[1] = A[1] - B[1]; if (R[1] < 0.0f) R[1] = 0.0f; \
R[2] = A[2] - B[2]; if (R[2] < 0.0f) R[2] = 0.0f; \
R[3] = A[3] - B[3]; if (R[3] < 0.0f) R[3] = 0.0f; \
} while (0)
#define VEC4_MUL(R, A, B) \
do { \
R[0] = A[0] * B[0]; \
R[1] = A[1] * B[1]; \
R[2] = A[2] * B[2]; \
R[3] = A[3] * B[3]; \
} while (0)
#define VEC4_MIN(R, A, B) \
do { \
R[0] = (A[0] < B[0]) ? A[0] : B[0]; \
R[1] = (A[1] < B[1]) ? A[1] : B[1]; \
R[2] = (A[2] < B[2]) ? A[2] : B[2]; \
R[3] = (A[3] < B[3]) ? A[3] : B[3]; \
} while (0)
#define VEC4_MAX(R, A, B) \
do { \
R[0] = (A[0] > B[0]) ? A[0] : B[0]; \
R[1] = (A[1] > B[1]) ? A[1] : B[1]; \
R[2] = (A[2] > B[2]) ? A[2] : B[2]; \
R[3] = (A[3] > B[3]) ? A[3] : B[3]; \
} while (0)
static void
logicop_quad(struct quad_stage *qs,
float (*quadColor)[4],
@@ -142,7 +70,7 @@ logicop_quad(struct quad_stage *qs,
src[j][3] = float_to_ubyte(quadColor[j][3]); /* P3 */
}
switch (llvmpipe->blend->logicop_func) {
switch (llvmpipe->blend->base.logicop_func) {
case PIPE_LOGICOP_CLEAR:
for (j = 0; j < 4; j++)
res4[j] = 0;
@@ -220,488 +148,6 @@ logicop_quad(struct quad_stage *qs,
}
static void
blend_quad(struct quad_stage *qs,
float (*quadColor)[4],
float (*dest)[4])
{
static const float zero[4] = { 0, 0, 0, 0 };
static const float one[4] = { 1, 1, 1, 1 };
struct llvmpipe_context *llvmpipe = qs->llvmpipe;
float source[4][QUAD_SIZE];
/*
* Compute src/first term RGB
*/
switch (llvmpipe->blend->rgb_src_factor) {
case PIPE_BLENDFACTOR_ONE:
VEC4_COPY(source[0], quadColor[0]); /* R */
VEC4_COPY(source[1], quadColor[1]); /* G */
VEC4_COPY(source[2], quadColor[2]); /* B */
break;
case PIPE_BLENDFACTOR_SRC_COLOR:
VEC4_MUL(source[0], quadColor[0], quadColor[0]); /* R */
VEC4_MUL(source[1], quadColor[1], quadColor[1]); /* G */
VEC4_MUL(source[2], quadColor[2], quadColor[2]); /* B */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA:
{
const float *alpha = quadColor[3];
VEC4_MUL(source[0], quadColor[0], alpha); /* R */
VEC4_MUL(source[1], quadColor[1], alpha); /* G */
VEC4_MUL(source[2], quadColor[2], alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_DST_COLOR:
VEC4_MUL(source[0], quadColor[0], dest[0]); /* R */
VEC4_MUL(source[1], quadColor[1], dest[1]); /* G */
VEC4_MUL(source[2], quadColor[2], dest[2]); /* B */
break;
case PIPE_BLENDFACTOR_DST_ALPHA:
{
const float *alpha = dest[3];
VEC4_MUL(source[0], quadColor[0], alpha); /* R */
VEC4_MUL(source[1], quadColor[1], alpha); /* G */
VEC4_MUL(source[2], quadColor[2], alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
{
const float *alpha = quadColor[3];
float diff[4], temp[4];
VEC4_SUB(diff, one, dest[3]);
VEC4_MIN(temp, alpha, diff);
VEC4_MUL(source[0], quadColor[0], temp); /* R */
VEC4_MUL(source[1], quadColor[1], temp); /* G */
VEC4_MUL(source[2], quadColor[2], temp); /* B */
}
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
{
float comp[4];
VEC4_SCALAR(comp, llvmpipe->blend_color.color[0]); /* R */
VEC4_MUL(source[0], quadColor[0], comp); /* R */
VEC4_SCALAR(comp, llvmpipe->blend_color.color[1]); /* G */
VEC4_MUL(source[1], quadColor[1], comp); /* G */
VEC4_SCALAR(comp, llvmpipe->blend_color.color[2]); /* B */
VEC4_MUL(source[2], quadColor[2], comp); /* B */
}
break;
case PIPE_BLENDFACTOR_CONST_ALPHA:
{
float alpha[4];
VEC4_SCALAR(alpha, llvmpipe->blend_color.color[3]);
VEC4_MUL(source[0], quadColor[0], alpha); /* R */
VEC4_MUL(source[1], quadColor[1], alpha); /* G */
VEC4_MUL(source[2], quadColor[2], alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_SRC1_COLOR:
assert(0); /* to do */
break;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
assert(0); /* to do */
break;
case PIPE_BLENDFACTOR_ZERO:
VEC4_COPY(source[0], zero); /* R */
VEC4_COPY(source[1], zero); /* G */
VEC4_COPY(source[2], zero); /* B */
break;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, quadColor[0]); /* R */
VEC4_MUL(source[0], quadColor[0], inv_comp); /* R */
VEC4_SUB(inv_comp, one, quadColor[1]); /* G */
VEC4_MUL(source[1], quadColor[1], inv_comp); /* G */
VEC4_SUB(inv_comp, one, quadColor[2]); /* B */
VEC4_MUL(source[2], quadColor[2], inv_comp); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
{
float inv_alpha[4];
VEC4_SUB(inv_alpha, one, quadColor[3]);
VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
{
float inv_alpha[4];
VEC4_SUB(inv_alpha, one, dest[3]);
VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, dest[0]); /* R */
VEC4_MUL(source[0], quadColor[0], inv_comp); /* R */
VEC4_SUB(inv_comp, one, dest[1]); /* G */
VEC4_MUL(source[1], quadColor[1], inv_comp); /* G */
VEC4_SUB(inv_comp, one, dest[2]); /* B */
VEC4_MUL(source[2], quadColor[2], inv_comp); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
{
float inv_comp[4];
/* R */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[0]);
VEC4_MUL(source[0], quadColor[0], inv_comp);
/* G */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[1]);
VEC4_MUL(source[1], quadColor[1], inv_comp);
/* B */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[2]);
VEC4_MUL(source[2], quadColor[2], inv_comp);
}
break;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
{
float inv_alpha[4];
VEC4_SCALAR(inv_alpha, 1.0f - llvmpipe->blend_color.color[3]);
VEC4_MUL(source[0], quadColor[0], inv_alpha); /* R */
VEC4_MUL(source[1], quadColor[1], inv_alpha); /* G */
VEC4_MUL(source[2], quadColor[2], inv_alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
assert(0); /* to do */
break;
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
assert(0); /* to do */
break;
default:
assert(0);
}
/*
* Compute src/first term A
*/
switch (llvmpipe->blend->alpha_src_factor) {
case PIPE_BLENDFACTOR_ONE:
VEC4_COPY(source[3], quadColor[3]); /* A */
break;
case PIPE_BLENDFACTOR_SRC_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_SRC_ALPHA:
{
const float *alpha = quadColor[3];
VEC4_MUL(source[3], quadColor[3], alpha); /* A */
}
break;
case PIPE_BLENDFACTOR_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_DST_ALPHA:
VEC4_MUL(source[3], quadColor[3], dest[3]); /* A */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
/* multiply alpha by 1.0 */
VEC4_COPY(source[3], quadColor[3]); /* A */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_CONST_ALPHA:
{
float comp[4];
VEC4_SCALAR(comp, llvmpipe->blend_color.color[3]); /* A */
VEC4_MUL(source[3], quadColor[3], comp); /* A */
}
break;
case PIPE_BLENDFACTOR_ZERO:
VEC4_COPY(source[3], zero); /* A */
break;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
{
float inv_alpha[4];
VEC4_SUB(inv_alpha, one, quadColor[3]);
VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
}
break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
{
float inv_alpha[4];
VEC4_SUB(inv_alpha, one, dest[3]);
VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
}
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
{
float inv_comp[4];
/* A */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[3]);
VEC4_MUL(source[3], quadColor[3], inv_comp);
}
break;
default:
assert(0);
}
/*
* Compute dest/second term RGB
*/
switch (llvmpipe->blend->rgb_dst_factor) {
case PIPE_BLENDFACTOR_ONE:
/* dest = dest * 1 NO-OP, leave dest as-is */
break;
case PIPE_BLENDFACTOR_SRC_COLOR:
VEC4_MUL(dest[0], dest[0], quadColor[0]); /* R */
VEC4_MUL(dest[1], dest[1], quadColor[1]); /* G */
VEC4_MUL(dest[2], dest[2], quadColor[2]); /* B */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA:
VEC4_MUL(dest[0], dest[0], quadColor[3]); /* R * A */
VEC4_MUL(dest[1], dest[1], quadColor[3]); /* G * A */
VEC4_MUL(dest[2], dest[2], quadColor[3]); /* B * A */
break;
case PIPE_BLENDFACTOR_DST_ALPHA:
VEC4_MUL(dest[0], dest[0], dest[3]); /* R * A */
VEC4_MUL(dest[1], dest[1], dest[3]); /* G * A */
VEC4_MUL(dest[2], dest[2], dest[3]); /* B * A */
break;
case PIPE_BLENDFACTOR_DST_COLOR:
VEC4_MUL(dest[0], dest[0], dest[0]); /* R */
VEC4_MUL(dest[1], dest[1], dest[1]); /* G */
VEC4_MUL(dest[2], dest[2], dest[2]); /* B */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
assert(0); /* illegal */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
{
float comp[4];
VEC4_SCALAR(comp, llvmpipe->blend_color.color[0]); /* R */
VEC4_MUL(dest[0], dest[0], comp); /* R */
VEC4_SCALAR(comp, llvmpipe->blend_color.color[1]); /* G */
VEC4_MUL(dest[1], dest[1], comp); /* G */
VEC4_SCALAR(comp, llvmpipe->blend_color.color[2]); /* B */
VEC4_MUL(dest[2], dest[2], comp); /* B */
}
break;
case PIPE_BLENDFACTOR_CONST_ALPHA:
{
float comp[4];
VEC4_SCALAR(comp, llvmpipe->blend_color.color[3]); /* A */
VEC4_MUL(dest[0], dest[0], comp); /* R */
VEC4_MUL(dest[1], dest[1], comp); /* G */
VEC4_MUL(dest[2], dest[2], comp); /* B */
}
break;
case PIPE_BLENDFACTOR_ZERO:
VEC4_COPY(dest[0], zero); /* R */
VEC4_COPY(dest[1], zero); /* G */
VEC4_COPY(dest[2], zero); /* B */
break;
case PIPE_BLENDFACTOR_SRC1_COLOR:
case PIPE_BLENDFACTOR_SRC1_ALPHA:
/* XXX what are these? */
assert(0);
break;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, quadColor[0]); /* R */
VEC4_MUL(dest[0], inv_comp, dest[0]); /* R */
VEC4_SUB(inv_comp, one, quadColor[1]); /* G */
VEC4_MUL(dest[1], inv_comp, dest[1]); /* G */
VEC4_SUB(inv_comp, one, quadColor[2]); /* B */
VEC4_MUL(dest[2], inv_comp, dest[2]); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
{
float one_minus_alpha[QUAD_SIZE];
VEC4_SUB(one_minus_alpha, one, quadColor[3]);
VEC4_MUL(dest[0], dest[0], one_minus_alpha); /* R */
VEC4_MUL(dest[1], dest[1], one_minus_alpha); /* G */
VEC4_MUL(dest[2], dest[2], one_minus_alpha); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, dest[3]); /* A */
VEC4_MUL(dest[0], inv_comp, dest[0]); /* R */
VEC4_MUL(dest[1], inv_comp, dest[1]); /* G */
VEC4_MUL(dest[2], inv_comp, dest[2]); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, dest[0]); /* R */
VEC4_MUL(dest[0], dest[0], inv_comp); /* R */
VEC4_SUB(inv_comp, one, dest[1]); /* G */
VEC4_MUL(dest[1], dest[1], inv_comp); /* G */
VEC4_SUB(inv_comp, one, dest[2]); /* B */
VEC4_MUL(dest[2], dest[2], inv_comp); /* B */
}
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
{
float inv_comp[4];
/* R */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[0]);
VEC4_MUL(dest[0], dest[0], inv_comp);
/* G */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[1]);
VEC4_MUL(dest[1], dest[1], inv_comp);
/* B */
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[2]);
VEC4_MUL(dest[2], dest[2], inv_comp);
}
break;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
{
float inv_comp[4];
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[3]);
VEC4_MUL(dest[0], dest[0], inv_comp);
VEC4_MUL(dest[1], dest[1], inv_comp);
VEC4_MUL(dest[2], dest[2], inv_comp);
}
break;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
/* XXX what are these? */
assert(0);
break;
default:
assert(0);
}
/*
* Compute dest/second term A
*/
switch (llvmpipe->blend->alpha_dst_factor) {
case PIPE_BLENDFACTOR_ONE:
/* dest = dest * 1 NO-OP, leave dest as-is */
break;
case PIPE_BLENDFACTOR_SRC_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_SRC_ALPHA:
VEC4_MUL(dest[3], dest[3], quadColor[3]); /* A * A */
break;
case PIPE_BLENDFACTOR_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_DST_ALPHA:
VEC4_MUL(dest[3], dest[3], dest[3]); /* A */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
assert(0); /* illegal */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_CONST_ALPHA:
{
float comp[4];
VEC4_SCALAR(comp, llvmpipe->blend_color.color[3]); /* A */
VEC4_MUL(dest[3], dest[3], comp); /* A */
}
break;
case PIPE_BLENDFACTOR_ZERO:
VEC4_COPY(dest[3], zero); /* A */
break;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
{
float one_minus_alpha[QUAD_SIZE];
VEC4_SUB(one_minus_alpha, one, quadColor[3]);
VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* A */
}
break;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
{
float inv_comp[4];
VEC4_SUB(inv_comp, one, dest[3]); /* A */
VEC4_MUL(dest[3], inv_comp, dest[3]); /* A */
}
break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
{
float inv_comp[4];
VEC4_SCALAR(inv_comp, 1.0f - llvmpipe->blend_color.color[3]);
VEC4_MUL(dest[3], dest[3], inv_comp);
}
break;
default:
assert(0);
}
/*
* Combine RGB terms
*/
switch (llvmpipe->blend->rgb_func) {
case PIPE_BLEND_ADD:
VEC4_ADD_SAT(quadColor[0], source[0], dest[0]); /* R */
VEC4_ADD_SAT(quadColor[1], source[1], dest[1]); /* G */
VEC4_ADD_SAT(quadColor[2], source[2], dest[2]); /* B */
break;
case PIPE_BLEND_SUBTRACT:
VEC4_SUB_SAT(quadColor[0], source[0], dest[0]); /* R */
VEC4_SUB_SAT(quadColor[1], source[1], dest[1]); /* G */
VEC4_SUB_SAT(quadColor[2], source[2], dest[2]); /* B */
break;
case PIPE_BLEND_REVERSE_SUBTRACT:
VEC4_SUB_SAT(quadColor[0], dest[0], source[0]); /* R */
VEC4_SUB_SAT(quadColor[1], dest[1], source[1]); /* G */
VEC4_SUB_SAT(quadColor[2], dest[2], source[2]); /* B */
break;
case PIPE_BLEND_MIN:
VEC4_MIN(quadColor[0], source[0], dest[0]); /* R */
VEC4_MIN(quadColor[1], source[1], dest[1]); /* G */
VEC4_MIN(quadColor[2], source[2], dest[2]); /* B */
break;
case PIPE_BLEND_MAX:
VEC4_MAX(quadColor[0], source[0], dest[0]); /* R */
VEC4_MAX(quadColor[1], source[1], dest[1]); /* G */
VEC4_MAX(quadColor[2], source[2], dest[2]); /* B */
break;
default:
assert(0);
}
/*
* Combine A terms
*/
switch (llvmpipe->blend->alpha_func) {
case PIPE_BLEND_ADD:
VEC4_ADD_SAT(quadColor[3], source[3], dest[3]); /* A */
break;
case PIPE_BLEND_SUBTRACT:
VEC4_SUB_SAT(quadColor[3], source[3], dest[3]); /* A */
break;
case PIPE_BLEND_REVERSE_SUBTRACT:
VEC4_SUB_SAT(quadColor[3], dest[3], source[3]); /* A */
break;
case PIPE_BLEND_MIN:
VEC4_MIN(quadColor[3], source[3], dest[3]); /* A */
break;
case PIPE_BLEND_MAX:
VEC4_MAX(quadColor[3], source[3], dest[3]); /* A */
break;
default:
assert(0);
}
}
static void
colormask_quad(struct quad_stage *qs,
float (*quadColor)[4],
@@ -710,40 +156,45 @@ colormask_quad(struct quad_stage *qs,
struct llvmpipe_context *llvmpipe = qs->llvmpipe;
/* R */
if (!(llvmpipe->blend->colormask & PIPE_MASK_R))
if (!(llvmpipe->blend->base.colormask & PIPE_MASK_R))
COPY_4V(quadColor[0], dest[0]);
/* G */
if (!(llvmpipe->blend->colormask & PIPE_MASK_G))
if (!(llvmpipe->blend->base.colormask & PIPE_MASK_G))
COPY_4V(quadColor[1], dest[1]);
/* B */
if (!(llvmpipe->blend->colormask & PIPE_MASK_B))
if (!(llvmpipe->blend->base.colormask & PIPE_MASK_B))
COPY_4V(quadColor[2], dest[2]);
/* A */
if (!(llvmpipe->blend->colormask & PIPE_MASK_A))
if (!(llvmpipe->blend->base.colormask & PIPE_MASK_A))
COPY_4V(quadColor[3], dest[3]);
}
static void blend_begin(struct quad_stage *qs)
{
}
static void
blend_fallback(struct quad_stage *qs,
blend_run(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
struct llvmpipe_context *llvmpipe = qs->llvmpipe;
const struct pipe_blend_state *blend = llvmpipe->blend;
struct lp_blend_state *blend = llvmpipe->blend;
unsigned cbuf;
uint q, i, j;
for (cbuf = 0; cbuf < llvmpipe->framebuffer.nr_cbufs; cbuf++)
{
float dest[4][QUAD_SIZE];
float ALIGN16_ATTRIB dest[4][QUAD_SIZE];
struct llvmpipe_cached_tile *tile
= lp_get_cached_tile(llvmpipe->cbuf_cache[cbuf],
quads[0]->input.x0,
quads[0]->input.y0);
uint q, i, j;
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
@@ -762,14 +213,19 @@ blend_fallback(struct quad_stage *qs,
}
if (blend->logicop_enable) {
if (blend->base.logicop_enable) {
logicop_quad( qs, quadColor, dest );
}
else if (blend->blend_enable) {
blend_quad( qs, quadColor, dest );
else {
assert(blend->jit_function);
assert((((uintptr_t)quadColor) & 0xf) == 0);
assert((((uintptr_t)dest) & 0xf) == 0);
assert((((uintptr_t)llvmpipe->blend_color) & 0xf) == 0);
if(blend->jit_function)
blend->jit_function( quadColor, dest, llvmpipe->blend_color, quadColor );
}
if (blend->colormask != 0xf)
if (blend->base.colormask != 0xf)
colormask_quad( qs, quadColor, dest );
/* Output color values
@@ -788,197 +244,6 @@ blend_fallback(struct quad_stage *qs,
}
static void
blend_single_add_src_alpha_inv_src_alpha(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
static const float one[4] = { 1, 1, 1, 1 };
float one_minus_alpha[QUAD_SIZE];
float dest[4][QUAD_SIZE];
float source[4][QUAD_SIZE];
uint i, j, q;
struct llvmpipe_cached_tile *tile
= lp_get_cached_tile(qs->llvmpipe->cbuf_cache[0],
quads[0]->input.x0,
quads[0]->input.y0);
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
float (*quadColor)[4] = quad->output.color[0];
const float *alpha = quadColor[3];
const int itx = (quad->input.x0 & (TILE_SIZE-1));
const int ity = (quad->input.y0 & (TILE_SIZE-1));
/* get/swizzle dest colors */
for (j = 0; j < QUAD_SIZE; j++) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) {
dest[i][j] = tile->data.color[y][x][i];
}
}
VEC4_MUL(source[0], quadColor[0], alpha); /* R */
VEC4_MUL(source[1], quadColor[1], alpha); /* G */
VEC4_MUL(source[2], quadColor[2], alpha); /* B */
VEC4_MUL(source[3], quadColor[3], alpha); /* A */
VEC4_SUB(one_minus_alpha, one, alpha);
VEC4_MUL(dest[0], dest[0], one_minus_alpha); /* R */
VEC4_MUL(dest[1], dest[1], one_minus_alpha); /* G */
VEC4_MUL(dest[2], dest[2], one_minus_alpha); /* B */
VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* B */
VEC4_ADD_SAT(quadColor[0], source[0], dest[0]); /* R */
VEC4_ADD_SAT(quadColor[1], source[1], dest[1]); /* G */
VEC4_ADD_SAT(quadColor[2], source[2], dest[2]); /* B */
VEC4_ADD_SAT(quadColor[3], source[3], dest[3]); /* A */
for (j = 0; j < QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) { /* loop over color chans */
tile->data.color[y][x][i] = quadColor[i][j];
}
}
}
}
}
static void
blend_single_add_one_one(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
float dest[4][QUAD_SIZE];
uint i, j, q;
struct llvmpipe_cached_tile *tile
= lp_get_cached_tile(qs->llvmpipe->cbuf_cache[0],
quads[0]->input.x0,
quads[0]->input.y0);
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
float (*quadColor)[4] = quad->output.color[0];
const int itx = (quad->input.x0 & (TILE_SIZE-1));
const int ity = (quad->input.y0 & (TILE_SIZE-1));
/* get/swizzle dest colors */
for (j = 0; j < QUAD_SIZE; j++) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) {
dest[i][j] = tile->data.color[y][x][i];
}
}
VEC4_ADD_SAT(quadColor[0], quadColor[0], dest[0]); /* R */
VEC4_ADD_SAT(quadColor[1], quadColor[1], dest[1]); /* G */
VEC4_ADD_SAT(quadColor[2], quadColor[2], dest[2]); /* B */
VEC4_ADD_SAT(quadColor[3], quadColor[3], dest[3]); /* A */
for (j = 0; j < QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) { /* loop over color chans */
tile->data.color[y][x][i] = quadColor[i][j];
}
}
}
}
}
static void
single_output_color(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
uint i, j, q;
struct llvmpipe_cached_tile *tile
= lp_get_cached_tile(qs->llvmpipe->cbuf_cache[0],
quads[0]->input.x0,
quads[0]->input.y0);
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
float (*quadColor)[4] = quad->output.color[0];
const int itx = (quad->input.x0 & (TILE_SIZE-1));
const int ity = (quad->input.y0 & (TILE_SIZE-1));
for (j = 0; j < QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) { /* loop over color chans */
tile->data.color[y][x][i] = quadColor[i][j];
}
}
}
}
}
static void
blend_noop(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
}
static void
choose_blend_quad(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
struct llvmpipe_context *llvmpipe = qs->llvmpipe;
const struct pipe_blend_state *blend = llvmpipe->blend;
qs->run = blend_fallback;
if (llvmpipe->framebuffer.nr_cbufs == 0) {
qs->run = blend_noop;
}
else if (!llvmpipe->blend->logicop_enable &&
llvmpipe->blend->colormask == 0xf)
{
if (!blend->blend_enable) {
qs->run = single_output_color;
}
else if (blend->rgb_src_factor == blend->alpha_src_factor &&
blend->rgb_dst_factor == blend->alpha_dst_factor &&
blend->rgb_func == blend->alpha_func &&
llvmpipe->framebuffer.nr_cbufs == 1)
{
if (blend->alpha_func == PIPE_BLEND_ADD) {
if (blend->rgb_src_factor == PIPE_BLENDFACTOR_ONE &&
blend->rgb_dst_factor == PIPE_BLENDFACTOR_ONE) {
qs->run = blend_single_add_one_one;
}
else if (blend->rgb_src_factor == PIPE_BLENDFACTOR_SRC_ALPHA &&
blend->rgb_dst_factor == PIPE_BLENDFACTOR_INV_SRC_ALPHA)
qs->run = blend_single_add_src_alpha_inv_src_alpha;
}
}
}
qs->run(qs, quads, nr);
}
static void blend_begin(struct quad_stage *qs)
{
qs->run = choose_blend_quad;
}
static void blend_destroy(struct quad_stage *qs)
{
FREE( qs );
@@ -991,7 +256,7 @@ struct quad_stage *lp_quad_blend_stage( struct llvmpipe_context *llvmpipe )
stage->llvmpipe = llvmpipe;
stage->begin = blend_begin;
stage->run = choose_blend_quad;
stage->run = blend_run;
stage->destroy = blend_destroy;
return stage;

35
src/gallium/drivers/llvmpipe/lp_screen.c
View File

@@ -26,6 +26,8 @@
**************************************************************************/
#include <llvm-c/Transforms/Scalar.h>
#include "util/u_memory.h"
#include "util/u_simple_screen.h"
#include "pipe/internal/p_winsys_screen.h"
@@ -149,9 +151,17 @@ llvmpipe_is_format_supported( struct pipe_screen *screen,
static void
llvmpipe_destroy_screen( struct pipe_screen *screen )
llvmpipe_destroy_screen( struct pipe_screen *_screen )
{
struct pipe_winsys *winsys = screen->winsys;
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
struct pipe_winsys *winsys = _screen->winsys;
if(screen->engine)
LLVMDisposeExecutionEngine(screen->engine);
if(screen->pass)
LLVMDisposePassManager(screen->pass);
if(winsys->destroy)
winsys->destroy(winsys);
@@ -169,6 +179,7 @@ struct pipe_screen *
llvmpipe_create_screen(struct pipe_winsys *winsys)
{
struct llvmpipe_screen *screen = CALLOC_STRUCT(llvmpipe_screen);
char *error = NULL;
if (!screen)
return NULL;
@@ -186,5 +197,25 @@ llvmpipe_create_screen(struct pipe_winsys *winsys)
llvmpipe_init_screen_texture_funcs(&screen->base);
u_simple_screen_init(&screen->base);
screen->module = LLVMModuleCreateWithName("llvmpipe");
screen->provider = LLVMCreateModuleProviderForExistingModule(screen->module);
if (LLVMCreateJITCompiler(&screen->engine, screen->provider, 1, &error)) {
fprintf(stderr, "%s\n", error);
LLVMDisposeMessage(error);
abort();
}
screen->pass = LLVMCreateFunctionPassManager(screen->provider);
LLVMAddTargetData(LLVMGetExecutionEngineTargetData(screen->engine), screen->pass);
/* These are the passes currently listed in llvm-c/Transforms/Scalar.h,
* but there are more on SVN. */
LLVMAddConstantPropagationPass(screen->pass);
LLVMAddInstructionCombiningPass(screen->pass);
LLVMAddPromoteMemoryToRegisterPass(screen->pass);
LLVMAddGVNPass(screen->pass);
LLVMAddCFGSimplificationPass(screen->pass);
return &screen->base;
}

13
src/gallium/drivers/llvmpipe/lp_screen.h
View File

@@ -31,14 +31,23 @@
#ifndef LP_SCREEN_H
#define LP_SCREEN_H
#include <llvm-c/Core.h>
#include <llvm-c/Analysis.h>
#include <llvm-c/ExecutionEngine.h>
#include "pipe/p_screen.h"
#include "pipe/p_defines.h"
struct llvmpipe_screen {
struct llvmpipe_screen
{
struct pipe_screen base;
LLVMModuleRef module;
LLVMExecutionEngineRef engine;
LLVMModuleProviderRef provider;
LLVMPassManagerRef pass;
/* Increments whenever textures are modified. Contexts can track
* this.
*/

19
src/gallium/drivers/llvmpipe/lp_state.h
View File

@@ -31,6 +31,8 @@
#ifndef LP_STATE_H
#define LP_STATE_H
#include <llvm-c/Core.h>
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
@@ -90,6 +92,23 @@ struct lp_vertex_shader {
};
typedef void
(*lp_blend_func)(float src[][4],
float dst[][4],
float con[][4],
float res[][4]);
struct lp_blend_state
{
struct pipe_blend_state base;
LLVMValueRef function;
lp_blend_func jit_function;
};
void *
llvmpipe_create_blend_state(struct pipe_context *,

132
src/gallium/drivers/llvmpipe/lp_state_blend.c
View File

@@ -1,5 +1,6 @@
/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
@@ -25,19 +26,126 @@
*
**************************************************************************/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
/**
* @author Jose Fonseca <jfonseca@vmware.com>
* @author Keith Whitwell <keith@tungstengraphics.com>
*/
#include "util/u_memory.h"
#include "util/u_debug_dump.h"
#include "lp_screen.h"
#include "lp_context.h"
#include "lp_state.h"
#include "lp_bld_type.h"
#include "lp_bld_arit.h"
#include "lp_bld_blend.h"
static void
blend_generate(struct llvmpipe_screen *screen,
struct lp_blend_state *blend)
{
union lp_type type;
LLVMTypeRef vec_type;
LLVMTypeRef args[4];
LLVMValueRef src_ptr;
LLVMValueRef dst_ptr;
LLVMValueRef const_ptr;
LLVMValueRef res_ptr;
LLVMBasicBlockRef block;
LLVMBuilderRef builder;
LLVMValueRef src[4];
LLVMValueRef dst[4];
LLVMValueRef con[4];
LLVMValueRef res[4];
char src_name[5] = "src?";
char dst_name[5] = "dst?";
char con_name[5] = "con?";
char res_name[5] = "res?";
unsigned i;
type.value = 0;
type.floating = TRUE;
type.sign = FALSE;
type.norm = TRUE;
type.width = 32;
type.length = 4;
vec_type = lp_build_vec_type(type);
args[3] = args[2] = args[1] = args[0] = LLVMPointerType(vec_type, 0);
blend->function = LLVMAddFunction(screen->module, "blend", LLVMFunctionType(LLVMVoidType(), args, 4, 0));
LLVMSetFunctionCallConv(blend->function, LLVMCCallConv);
src_ptr = LLVMGetParam(blend->function, 0);
dst_ptr = LLVMGetParam(blend->function, 1);
const_ptr = LLVMGetParam(blend->function, 2);
res_ptr = LLVMGetParam(blend->function, 3);
block = LLVMAppendBasicBlock(blend->function, "entry");
builder = LLVMCreateBuilder();
LLVMPositionBuilderAtEnd(builder, block);
for(i = 0; i < 4; ++i) {
LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
con_name[3] = dst_name[3] = src_name[3] = "rgba"[i];
src[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, src_ptr, &index, 1, ""), src_name);
dst[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, dst_ptr, &index, 1, ""), dst_name);
con[i] = LLVMBuildLoad(builder, LLVMBuildGEP(builder, const_ptr, &index, 1, ""), con_name);
}
lp_build_blend_soa(builder, &blend->base, type, src, dst, con, res);
for(i = 0; i < 4; ++i) {
LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0);
res_name[3] = "rgba"[i];
LLVMSetValueName(res[i], res_name);
LLVMBuildStore(builder, res[i], LLVMBuildGEP(builder, res_ptr, &index, 1, ""));
}
LLVMBuildRetVoid(builder);;
LLVMDisposeBuilder(builder);
}
void *
llvmpipe_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
const struct pipe_blend_state *base)
{
return mem_dup(blend, sizeof(*blend));
struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
struct lp_blend_state *blend;
blend = CALLOC_STRUCT(lp_blend_state);
if(!blend)
return NULL;
blend->base = *base;
blend_generate(screen, blend);
LLVMRunFunctionPassManager(screen->pass, blend->function);
#if 1
debug_printf("%s=%s %s=%s %s=%s %s=%s %s=%s %s=%s\n",
"rgb_func", debug_dump_blend_func (blend->base.rgb_func, TRUE),
"rgb_src_factor", debug_dump_blend_factor(blend->base.rgb_src_factor, TRUE),
"rgb_dst_factor", debug_dump_blend_factor(blend->base.rgb_dst_factor, TRUE),
"alpha_func", debug_dump_blend_func (blend->base.alpha_func, TRUE),
"alpha_src_factor", debug_dump_blend_factor(blend->base.alpha_src_factor, TRUE),
"alpha_dst_factor", debug_dump_blend_factor(blend->base.alpha_dst_factor, TRUE));
LLVMDumpModule(screen->module);
debug_printf("\n");
#endif
if(LLVMVerifyFunction(blend->function, LLVMPrintMessageAction)) {
LLVMDumpModule(screen->module);
abort();
}
blend->jit_function = (lp_blend_func)LLVMGetPointerToGlobal(screen->engine, blend->function);
return blend;
}
void llvmpipe_bind_blend_state( struct pipe_context *pipe,
@@ -45,14 +153,23 @@ void llvmpipe_bind_blend_state( struct pipe_context *pipe,
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
llvmpipe->blend = (const struct pipe_blend_state *)blend;
llvmpipe->blend = (struct lp_blend_state *)blend;
llvmpipe->dirty |= LP_NEW_BLEND;
}
void llvmpipe_delete_blend_state(struct pipe_context *pipe,
void *blend)
void *_blend)
{
struct llvmpipe_screen *screen = llvmpipe_screen(pipe->screen);
struct lp_blend_state *blend = (struct lp_blend_state *)_blend;
if(blend->function) {
if(blend->jit_function)
LLVMFreeMachineCodeForFunction(screen->engine, blend->function);
LLVMDeleteFunction(blend->function);
}
FREE( blend );
}
@@ -61,8 +178,11 @@ void llvmpipe_set_blend_color( struct pipe_context *pipe,
const struct pipe_blend_color *blend_color )
{
struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
unsigned i, j;
llvmpipe->blend_color = *blend_color;
for (i = 0; i < 4; ++i)
for (j = 0; j < QUAD_SIZE; ++j)
llvmpipe->blend_color[i][j] = blend_color->color[i];
llvmpipe->dirty |= LP_NEW_BLEND;
}