/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "pipe/p_defines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/format/u_format.h"
+#include "util/u_dual_blend.h"
#include "sp_context.h"
+#include "sp_state.h"
#include "sp_quad.h"
#include "sp_tile_cache.h"
#include "sp_quad_pipe.h"
+enum format
+{
+ RGBA,
+ RGB,
+ LUMINANCE,
+ LUMINANCE_ALPHA,
+ INTENSITY
+};
+
+
+/** Subclass of quad_stage */
+struct blend_quad_stage
+{
+ struct quad_stage base;
+ boolean clamp[PIPE_MAX_COLOR_BUFS]; /**< clamp colors to [0,1]? */
+ enum format base_format[PIPE_MAX_COLOR_BUFS];
+ enum util_format_type format_type[PIPE_MAX_COLOR_BUFS];
+};
+
+
+/** cast wrapper */
+static inline struct blend_quad_stage *
+blend_quad_stage(struct quad_stage *stage)
+{
+ return (struct blend_quad_stage *) stage;
+}
+
+
#define VEC4_COPY(DST, SRC) \
do { \
DST[0] = SRC[0]; \
res4[j] = ~0;
break;
default:
- assert(0);
+ assert(0 && "invalid logicop mode");
}
for (j = 0; j < 4; j++) {
+/**
+ * Do blending for a 2x2 quad for one color buffer.
+ * \param quadColor the incoming quad colors
+ * \param dest the destination/framebuffer quad colors
+ * \param const_blend_color the constant blend color
+ * \param blend_index which set of blending terms to use
+ */
static void
blend_quad(struct quad_stage *qs,
float (*quadColor)[4],
- float (*dest)[4])
+ float (*quadColor2)[4],
+ float (*dest)[4],
+ const float const_blend_color[4],
+ unsigned blend_index)
{
static const float zero[4] = { 0, 0, 0, 0 };
static const float one[4] = { 1, 1, 1, 1 };
struct softpipe_context *softpipe = qs->softpipe;
- float source[4][QUAD_SIZE] = { { 0 } };
+ float source[4][TGSI_QUAD_SIZE] = { { 0 } };
+ float blend_dest[4][TGSI_QUAD_SIZE];
/*
* Compute src/first term RGB
*/
- switch (softpipe->blend->rgb_src_factor) {
+ switch (softpipe->blend->rt[blend_index].rgb_src_factor) {
case PIPE_BLENDFACTOR_ONE:
VEC4_COPY(source[0], quadColor[0]); /* R */
VEC4_COPY(source[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;
+ {
+ 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;
+ {
+ 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;
+ {
+ 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, softpipe->blend_color.color[0]); /* R */
- VEC4_MUL(source[0], quadColor[0], comp); /* R */
- VEC4_SCALAR(comp, softpipe->blend_color.color[1]); /* G */
- VEC4_MUL(source[1], quadColor[1], comp); /* G */
- VEC4_SCALAR(comp, softpipe->blend_color.color[2]); /* B */
- VEC4_MUL(source[2], quadColor[2], comp); /* B */
- }
- break;
+ {
+ float comp[4];
+ VEC4_SCALAR(comp, const_blend_color[0]); /* R */
+ VEC4_MUL(source[0], quadColor[0], comp); /* R */
+ VEC4_SCALAR(comp, const_blend_color[1]); /* G */
+ VEC4_MUL(source[1], quadColor[1], comp); /* G */
+ VEC4_SCALAR(comp, const_blend_color[2]); /* B */
+ VEC4_MUL(source[2], quadColor[2], comp); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float alpha[4];
- VEC4_SCALAR(alpha, softpipe->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;
+ {
+ float alpha[4];
+ VEC4_SCALAR(alpha, const_blend_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 */
+ VEC4_MUL(source[0], quadColor[0], quadColor2[0]); /* R */
+ VEC4_MUL(source[1], quadColor[1], quadColor2[1]); /* G */
+ VEC4_MUL(source[2], quadColor[2], quadColor2[2]); /* B */
break;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
- assert(0); /* to do */
+ {
+ const float *alpha = quadColor2[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_ZERO:
VEC4_COPY(source[0], zero); /* R */
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;
+ {
+ 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;
+ {
+ 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;
+ {
+ 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;
+ {
+ 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 - softpipe->blend_color.color[0]);
- VEC4_MUL(source[0], quadColor[0], inv_comp);
- /* G */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[1]);
- VEC4_MUL(source[1], quadColor[1], inv_comp);
- /* B */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[2]);
- VEC4_MUL(source[2], quadColor[2], inv_comp);
- }
- break;
+ {
+ float inv_comp[4];
+ /* R */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[0]);
+ VEC4_MUL(source[0], quadColor[0], inv_comp);
+ /* G */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[1]);
+ VEC4_MUL(source[1], quadColor[1], inv_comp);
+ /* B */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_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 - softpipe->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;
+ {
+ float inv_alpha[4];
+ VEC4_SCALAR(inv_alpha, 1.0f - const_blend_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 */
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, quadColor2[0]); /* R */
+ VEC4_MUL(source[0], quadColor[0], inv_comp); /* R */
+ VEC4_SUB(inv_comp, one, quadColor2[1]); /* G */
+ VEC4_MUL(source[1], quadColor[1], inv_comp); /* G */
+ VEC4_SUB(inv_comp, one, quadColor2[2]); /* B */
+ VEC4_MUL(source[2], quadColor[2], inv_comp); /* B */
+ }
break;
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
- assert(0); /* to do */
+ {
+ float inv_alpha[4];
+ VEC4_SUB(inv_alpha, one, quadColor2[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;
default:
- assert(0);
+ assert(0 && "invalid rgb src factor");
}
/*
* Compute src/first term A
*/
- switch (softpipe->blend->alpha_src_factor) {
+ switch (softpipe->blend->rt[blend_index].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;
+ {
+ 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:
case PIPE_BLENDFACTOR_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[3]); /* A */
- VEC4_MUL(source[3], quadColor[3], comp); /* A */
- }
- break;
+ {
+ float comp[4];
+ VEC4_SCALAR(comp, const_blend_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;
+ {
+ 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;
+ {
+ 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 - softpipe->blend_color.color[3]);
- VEC4_MUL(source[3], quadColor[3], inv_comp);
- }
- break;
+ {
+ float inv_comp[4];
+ /* A */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[3]);
+ VEC4_MUL(source[3], quadColor[3], inv_comp);
+ }
+ break;
+ case PIPE_BLENDFACTOR_SRC1_COLOR:
+ /* fall-through */
+ case PIPE_BLENDFACTOR_SRC1_ALPHA:
+ {
+ const float *alpha = quadColor2[3];
+ VEC4_MUL(source[3], quadColor[3], alpha); /* A */
+ }
+ break;
+ case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
+ /* fall-through */
+ case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
+ {
+ float inv_alpha[4];
+ VEC4_SUB(inv_alpha, one, quadColor2[3]);
+ VEC4_MUL(source[3], quadColor[3], inv_alpha); /* A */
+ }
+ break;
default:
- assert(0);
+ assert(0 && "invalid alpha src factor");
}
+ /* Save the original dest for use in masking */
+ VEC4_COPY(blend_dest[0], dest[0]);
+ VEC4_COPY(blend_dest[1], dest[1]);
+ VEC4_COPY(blend_dest[2], dest[2]);
+ VEC4_COPY(blend_dest[3], dest[3]);
+
/*
- * Compute dest/second term RGB
+ * Compute blend_dest/second term RGB
*/
- switch (softpipe->blend->rgb_dst_factor) {
+ switch (softpipe->blend->rt[blend_index].rgb_dst_factor) {
case PIPE_BLENDFACTOR_ONE:
- /* dest = dest * 1 NO-OP, leave dest as-is */
+ /* blend_dest = blend_dest * 1 NO-OP, leave blend_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 */
+ VEC4_MUL(blend_dest[0], blend_dest[0], quadColor[0]); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], quadColor[1]); /* G */
+ VEC4_MUL(blend_dest[2], blend_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 */
+ VEC4_MUL(blend_dest[0], blend_dest[0], quadColor[3]); /* R * A */
+ VEC4_MUL(blend_dest[1], blend_dest[1], quadColor[3]); /* G * A */
+ VEC4_MUL(blend_dest[2], blend_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 */
+ VEC4_MUL(blend_dest[0], blend_dest[0], blend_dest[3]); /* R * A */
+ VEC4_MUL(blend_dest[1], blend_dest[1], blend_dest[3]); /* G * A */
+ VEC4_MUL(blend_dest[2], blend_dest[2], blend_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 */
+ VEC4_MUL(blend_dest[0], blend_dest[0], blend_dest[0]); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], blend_dest[1]); /* G */
+ VEC4_MUL(blend_dest[2], blend_dest[2], blend_dest[2]); /* 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(dest[0], quadColor[0], temp); /* R */
- VEC4_MUL(dest[1], quadColor[1], temp); /* G */
- VEC4_MUL(dest[2], quadColor[2], temp); /* B */
- }
+ {
+ const float *alpha = quadColor[3];
+ float diff[4], temp[4];
+ VEC4_SUB(diff, one, blend_dest[3]);
+ VEC4_MIN(temp, alpha, diff);
+ VEC4_MUL(blend_dest[0], blend_dest[0], temp); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], temp); /* G */
+ VEC4_MUL(blend_dest[2], blend_dest[2], temp); /* B */
+ }
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[0]); /* R */
- VEC4_MUL(dest[0], dest[0], comp); /* R */
- VEC4_SCALAR(comp, softpipe->blend_color.color[1]); /* G */
- VEC4_MUL(dest[1], dest[1], comp); /* G */
- VEC4_SCALAR(comp, softpipe->blend_color.color[2]); /* B */
- VEC4_MUL(dest[2], dest[2], comp); /* B */
- }
- break;
+ {
+ float comp[4];
+ VEC4_SCALAR(comp, const_blend_color[0]); /* R */
+ VEC4_MUL(blend_dest[0], blend_dest[0], comp); /* R */
+ VEC4_SCALAR(comp, const_blend_color[1]); /* G */
+ VEC4_MUL(blend_dest[1], blend_dest[1], comp); /* G */
+ VEC4_SCALAR(comp, const_blend_color[2]); /* B */
+ VEC4_MUL(blend_dest[2], blend_dest[2], comp); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->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;
+ {
+ float comp[4];
+ VEC4_SCALAR(comp, const_blend_color[3]); /* A */
+ VEC4_MUL(blend_dest[0], blend_dest[0], comp); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], comp); /* G */
+ VEC4_MUL(blend_dest[2], blend_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 */
+ VEC4_COPY(blend_dest[0], zero); /* R */
+ VEC4_COPY(blend_dest[1], zero); /* G */
+ VEC4_COPY(blend_dest[2], zero); /* B */
break;
case PIPE_BLENDFACTOR_SRC1_COLOR:
+ VEC4_MUL(blend_dest[0], blend_dest[0], quadColor2[0]); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], quadColor2[1]); /* G */
+ VEC4_MUL(blend_dest[2], blend_dest[2], quadColor2[2]); /* B */
+ break;
case PIPE_BLENDFACTOR_SRC1_ALPHA:
- /* XXX what are these? */
- assert(0);
+ VEC4_MUL(blend_dest[0], blend_dest[0], quadColor2[3]); /* R * A */
+ VEC4_MUL(blend_dest[1], blend_dest[1], quadColor2[3]); /* G * A */
+ VEC4_MUL(blend_dest[2], blend_dest[2], quadColor2[3]); /* B * A */
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;
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, quadColor[0]); /* R */
+ VEC4_MUL(blend_dest[0], inv_comp, blend_dest[0]); /* R */
+ VEC4_SUB(inv_comp, one, quadColor[1]); /* G */
+ VEC4_MUL(blend_dest[1], inv_comp, blend_dest[1]); /* G */
+ VEC4_SUB(inv_comp, one, quadColor[2]); /* B */
+ VEC4_MUL(blend_dest[2], inv_comp, blend_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;
+ {
+ float one_minus_alpha[TGSI_QUAD_SIZE];
+ VEC4_SUB(one_minus_alpha, one, quadColor[3]);
+ VEC4_MUL(blend_dest[0], blend_dest[0], one_minus_alpha); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], one_minus_alpha); /* G */
+ VEC4_MUL(blend_dest[2], blend_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;
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, blend_dest[3]); /* A */
+ VEC4_MUL(blend_dest[0], inv_comp, blend_dest[0]); /* R */
+ VEC4_MUL(blend_dest[1], inv_comp, blend_dest[1]); /* G */
+ VEC4_MUL(blend_dest[2], inv_comp, blend_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;
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, blend_dest[0]); /* R */
+ VEC4_MUL(blend_dest[0], blend_dest[0], inv_comp); /* R */
+ VEC4_SUB(inv_comp, one, blend_dest[1]); /* G */
+ VEC4_MUL(blend_dest[1], blend_dest[1], inv_comp); /* G */
+ VEC4_SUB(inv_comp, one, blend_dest[2]); /* B */
+ VEC4_MUL(blend_dest[2], blend_dest[2], inv_comp); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
- {
- float inv_comp[4];
- /* R */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[0]);
- VEC4_MUL(dest[0], dest[0], inv_comp);
- /* G */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[1]);
- VEC4_MUL(dest[1], dest[1], inv_comp);
- /* B */
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->blend_color.color[2]);
- VEC4_MUL(dest[2], dest[2], inv_comp);
- }
- break;
+ {
+ float inv_comp[4];
+ /* R */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[0]);
+ VEC4_MUL(blend_dest[0], blend_dest[0], inv_comp);
+ /* G */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[1]);
+ VEC4_MUL(blend_dest[1], blend_dest[1], inv_comp);
+ /* B */
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[2]);
+ VEC4_MUL(blend_dest[2], blend_dest[2], inv_comp);
+ }
+ break;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
- {
- float inv_comp[4];
- VEC4_SCALAR(inv_comp, 1.0f - softpipe->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;
+ {
+ float inv_comp[4];
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[3]);
+ VEC4_MUL(blend_dest[0], blend_dest[0], inv_comp);
+ VEC4_MUL(blend_dest[1], blend_dest[1], inv_comp);
+ VEC4_MUL(blend_dest[2], blend_dest[2], inv_comp);
+ }
+ break;
case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, quadColor2[0]); /* R */
+ VEC4_MUL(blend_dest[0], inv_comp, blend_dest[0]); /* R */
+ VEC4_SUB(inv_comp, one, quadColor2[1]); /* G */
+ VEC4_MUL(blend_dest[1], inv_comp, blend_dest[1]); /* G */
+ VEC4_SUB(inv_comp, one, quadColor2[2]); /* B */
+ VEC4_MUL(blend_dest[2], inv_comp, blend_dest[2]); /* B */
+ }
+ break;
case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
- /* XXX what are these? */
- assert(0);
+ {
+ float one_minus_alpha[TGSI_QUAD_SIZE];
+ VEC4_SUB(one_minus_alpha, one, quadColor2[3]);
+ VEC4_MUL(blend_dest[0], blend_dest[0], one_minus_alpha); /* R */
+ VEC4_MUL(blend_dest[1], blend_dest[1], one_minus_alpha); /* G */
+ VEC4_MUL(blend_dest[2], blend_dest[2], one_minus_alpha); /* B */
+ }
break;
default:
- assert(0);
+ assert(0 && "invalid rgb dst factor");
}
/*
- * Compute dest/second term A
+ * Compute blend_dest/second term A
*/
- switch (softpipe->blend->alpha_dst_factor) {
+ switch (softpipe->blend->rt[blend_index].alpha_dst_factor) {
case PIPE_BLENDFACTOR_ONE:
- /* dest = dest * 1 NO-OP, leave dest as-is */
+ /* blend_dest = blend_dest * 1 NO-OP, leave blend_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 */
+ VEC4_MUL(blend_dest[3], blend_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 */
+ VEC4_MUL(blend_dest[3], blend_dest[3], blend_dest[3]); /* A */
break;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
- /* dest = dest * 1 NO-OP, leave dest as-is */
+ /* blend_dest = blend_dest * 1 NO-OP, leave blend_dest as-is */
break;
case PIPE_BLENDFACTOR_CONST_COLOR:
/* fall-through */
case PIPE_BLENDFACTOR_CONST_ALPHA:
- {
- float comp[4];
- VEC4_SCALAR(comp, softpipe->blend_color.color[3]); /* A */
- VEC4_MUL(dest[3], dest[3], comp); /* A */
- }
- break;
+ {
+ float comp[4];
+ VEC4_SCALAR(comp, const_blend_color[3]); /* A */
+ VEC4_MUL(blend_dest[3], blend_dest[3], comp); /* A */
+ }
+ break;
case PIPE_BLENDFACTOR_ZERO:
- VEC4_COPY(dest[3], zero); /* A */
+ VEC4_COPY(blend_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;
+ {
+ float one_minus_alpha[TGSI_QUAD_SIZE];
+ VEC4_SUB(one_minus_alpha, one, quadColor[3]);
+ VEC4_MUL(blend_dest[3], blend_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;
+ {
+ float inv_comp[4];
+ VEC4_SUB(inv_comp, one, blend_dest[3]); /* A */
+ VEC4_MUL(blend_dest[3], inv_comp, blend_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 - softpipe->blend_color.color[3]);
- VEC4_MUL(dest[3], dest[3], inv_comp);
- }
- break;
+ {
+ float inv_comp[4];
+ VEC4_SCALAR(inv_comp, 1.0f - const_blend_color[3]);
+ VEC4_MUL(blend_dest[3], blend_dest[3], inv_comp);
+ }
+ break;
+ case PIPE_BLENDFACTOR_SRC1_COLOR:
+ /* fall-through */
+ case PIPE_BLENDFACTOR_SRC1_ALPHA:
+ VEC4_MUL(blend_dest[3], blend_dest[3], quadColor2[3]); /* A * A */
+ break;
+ case PIPE_BLENDFACTOR_INV_SRC1_COLOR:
+ /* fall-through */
+ case PIPE_BLENDFACTOR_INV_SRC1_ALPHA:
+ {
+ float one_minus_alpha[TGSI_QUAD_SIZE];
+ VEC4_SUB(one_minus_alpha, one, quadColor2[3]);
+ VEC4_MUL(blend_dest[3], blend_dest[3], one_minus_alpha); /* A */
+ }
+ break;
default:
- assert(0);
+ assert(0 && "invalid alpha dst factor");
}
/*
* Combine RGB terms
*/
- switch (softpipe->blend->rgb_func) {
+ switch (softpipe->blend->rt[blend_index].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 */
+ VEC4_ADD(quadColor[0], source[0], blend_dest[0]); /* R */
+ VEC4_ADD(quadColor[1], source[1], blend_dest[1]); /* G */
+ VEC4_ADD(quadColor[2], source[2], blend_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 */
+ VEC4_SUB(quadColor[0], source[0], blend_dest[0]); /* R */
+ VEC4_SUB(quadColor[1], source[1], blend_dest[1]); /* G */
+ VEC4_SUB(quadColor[2], source[2], blend_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 */
+ VEC4_SUB(quadColor[0], blend_dest[0], source[0]); /* R */
+ VEC4_SUB(quadColor[1], blend_dest[1], source[1]); /* G */
+ VEC4_SUB(quadColor[2], blend_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 */
+ VEC4_MIN(quadColor[0], source[0], blend_dest[0]); /* R */
+ VEC4_MIN(quadColor[1], source[1], blend_dest[1]); /* G */
+ VEC4_MIN(quadColor[2], source[2], blend_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 */
+ VEC4_MAX(quadColor[0], source[0], blend_dest[0]); /* R */
+ VEC4_MAX(quadColor[1], source[1], blend_dest[1]); /* G */
+ VEC4_MAX(quadColor[2], source[2], blend_dest[2]); /* B */
break;
default:
- assert(0);
+ assert(0 && "invalid rgb blend func");
}
/*
* Combine A terms
*/
- switch (softpipe->blend->alpha_func) {
+ switch (softpipe->blend->rt[blend_index].alpha_func) {
case PIPE_BLEND_ADD:
- VEC4_ADD_SAT(quadColor[3], source[3], dest[3]); /* A */
+ VEC4_ADD(quadColor[3], source[3], blend_dest[3]); /* A */
break;
case PIPE_BLEND_SUBTRACT:
- VEC4_SUB_SAT(quadColor[3], source[3], dest[3]); /* A */
+ VEC4_SUB(quadColor[3], source[3], blend_dest[3]); /* A */
break;
case PIPE_BLEND_REVERSE_SUBTRACT:
- VEC4_SUB_SAT(quadColor[3], dest[3], source[3]); /* A */
+ VEC4_SUB(quadColor[3], blend_dest[3], source[3]); /* A */
break;
case PIPE_BLEND_MIN:
- VEC4_MIN(quadColor[3], source[3], dest[3]); /* A */
+ VEC4_MIN(quadColor[3], source[3], blend_dest[3]); /* A */
break;
case PIPE_BLEND_MAX:
- VEC4_MAX(quadColor[3], source[3], dest[3]); /* A */
+ VEC4_MAX(quadColor[3], source[3], blend_dest[3]); /* A */
break;
default:
- assert(0);
+ assert(0 && "invalid alpha blend func");
}
}
static void
-colormask_quad(struct quad_stage *qs,
+colormask_quad(unsigned colormask,
float (*quadColor)[4],
float (*dest)[4])
{
- struct softpipe_context *softpipe = qs->softpipe;
-
/* R */
- if (!(softpipe->blend->colormask & PIPE_MASK_R))
+ if (!(colormask & PIPE_MASK_R))
COPY_4V(quadColor[0], dest[0]);
/* G */
- if (!(softpipe->blend->colormask & PIPE_MASK_G))
+ if (!(colormask & PIPE_MASK_G))
COPY_4V(quadColor[1], dest[1]);
/* B */
- if (!(softpipe->blend->colormask & PIPE_MASK_B))
+ if (!(colormask & PIPE_MASK_B))
COPY_4V(quadColor[2], dest[2]);
/* A */
- if (!(softpipe->blend->colormask & PIPE_MASK_A))
+ if (!(colormask & PIPE_MASK_A))
COPY_4V(quadColor[3], dest[3]);
}
+/**
+ * Clamp all colors in a quad to [0, 1]
+ */
+static void
+clamp_colors(float (*quadColor)[4])
+{
+ unsigned i, j;
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
+ quadColor[i][j] = CLAMP(quadColor[i][j], 0.0F, 1.0F);
+ }
+ }
+}
+
+
+/**
+ * If we're drawing to a luminance, luminance/alpha or intensity surface
+ * we have to adjust (rebase) the fragment/quad colors before writing them
+ * to the tile cache. The tile cache always stores RGBA colors but if
+ * we're caching a L/A surface (for example) we need to be sure that R=G=B
+ * so that subsequent reads from the surface cache appear to return L/A
+ * values.
+ * The piglit fbo-blending-formats test will exercise this.
+ */
+static void
+rebase_colors(enum format base_format, float (*quadColor)[4])
+{
+ unsigned i;
+
+ switch (base_format) {
+ case RGB:
+ for (i = 0; i < 4; i++) {
+ /* A = 1 */
+ quadColor[3][i] = 1.0F;
+ }
+ break;
+ case LUMINANCE:
+ for (i = 0; i < 4; i++) {
+ /* B = G = R */
+ quadColor[2][i] = quadColor[1][i] = quadColor[0][i];
+ /* A = 1 */
+ quadColor[3][i] = 1.0F;
+ }
+ break;
+ case LUMINANCE_ALPHA:
+ for (i = 0; i < 4; i++) {
+ /* B = G = R */
+ quadColor[2][i] = quadColor[1][i] = quadColor[0][i];
+ }
+ break;
+ case INTENSITY:
+ for (i = 0; i < 4; i++) {
+ /* A = B = G = R */
+ quadColor[3][i] = quadColor[2][i] = quadColor[1][i] = quadColor[0][i];
+ }
+ break;
+ default:
+ ; /* nothing */
+ }
+}
+
static void
blend_fallback(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
+ const struct blend_quad_stage *bqs = blend_quad_stage(qs);
struct softpipe_context *softpipe = qs->softpipe;
const struct pipe_blend_state *blend = softpipe->blend;
unsigned cbuf;
-
- for (cbuf = 0; cbuf < softpipe->framebuffer.nr_cbufs; cbuf++)
- {
- float dest[4][QUAD_SIZE];
- struct softpipe_cached_tile *tile
- = sp_get_cached_tile(softpipe->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];
- float (*quadColor)[4] = quad->output.color[cbuf];
- 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];
+ boolean write_all =
+ softpipe->fs_variant->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS];
+
+ for (cbuf = 0; cbuf < softpipe->framebuffer.nr_cbufs; cbuf++) {
+ if (softpipe->framebuffer.cbufs[cbuf]) {
+ /* which blend/mask state index to use: */
+ const uint blend_buf = blend->independent_blend_enable ? cbuf : 0;
+ float dest[4][TGSI_QUAD_SIZE];
+ struct softpipe_cached_tile *tile
+ = sp_get_cached_tile(softpipe->cbuf_cache[cbuf],
+ quads[0]->input.x0,
+ quads[0]->input.y0, quads[0]->input.layer);
+ const boolean clamp = bqs->clamp[cbuf];
+ const float *blend_color;
+ const boolean dual_source_blend = util_blend_state_is_dual(blend, cbuf);
+ uint q, i, j;
+
+ if (clamp)
+ blend_color = softpipe->blend_color_clamped.color;
+ else
+ blend_color = softpipe->blend_color.color;
+
+ for (q = 0; q < nr; q++) {
+ struct quad_header *quad = quads[q];
+ float (*quadColor)[4];
+ float (*quadColor2)[4] = NULL;
+ float temp_quad_color[TGSI_QUAD_SIZE][4];
+ const int itx = (quad->input.x0 & (TILE_SIZE-1));
+ const int ity = (quad->input.y0 & (TILE_SIZE-1));
+
+ if (write_all) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
+ for (i = 0; i < 4; i++) {
+ temp_quad_color[i][j] = quad->output.color[0][i][j];
+ }
+ }
+ quadColor = temp_quad_color;
+ } else {
+ quadColor = quad->output.color[cbuf];
+ if (dual_source_blend)
+ quadColor2 = quad->output.color[cbuf + 1];
}
- }
+ /* If fixed-point dest color buffer, need to clamp the incoming
+ * fragment colors now.
+ */
+ if (clamp || softpipe->rasterizer->clamp_fragment_color) {
+ clamp_colors(quadColor);
+ }
- if (blend->logicop_enable) {
- logicop_quad( qs, quadColor, dest );
- }
- else if (blend->blend_enable) {
- blend_quad( qs, quadColor, dest );
- }
-
- if (blend->colormask != 0xf)
- colormask_quad( qs, quadColor, dest );
-
- /* Output color values
- */
- for (j = 0; j < QUAD_SIZE; j++) {
- if (quad->inout.mask & (1 << j)) {
+ /* get/swizzle dest colors
+ */
+ for (j = 0; j < TGSI_QUAD_SIZE; 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];
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
+ }
+
+
+ if (blend->logicop_enable) {
+ if (bqs->format_type[cbuf] != UTIL_FORMAT_TYPE_FLOAT) {
+ logicop_quad( qs, quadColor, dest );
+ }
+ }
+ else if (blend->rt[blend_buf].blend_enable) {
+ blend_quad(qs, quadColor, quadColor2, dest, blend_color, blend_buf);
+
+ /* If fixed-point dest color buffer, need to clamp the outgoing
+ * fragment colors now.
+ */
+ if (clamp) {
+ clamp_colors(quadColor);
+ }
+ }
+
+ rebase_colors(bqs->base_format[cbuf], quadColor);
+
+ if (blend->rt[blend_buf].colormask != 0xf)
+ colormask_quad( blend->rt[cbuf].colormask, quadColor, dest);
+
+ /* Output color values
+ */
+ for (j = 0; j < TGSI_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];
+ }
}
}
}
struct quad_header *quads[],
unsigned nr)
{
+ const struct blend_quad_stage *bqs = blend_quad_stage(qs);
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];
+ float one_minus_alpha[TGSI_QUAD_SIZE];
+ float dest[4][TGSI_QUAD_SIZE];
+ float source[4][TGSI_QUAD_SIZE];
uint i, j, q;
struct softpipe_cached_tile *tile
= sp_get_cached_tile(qs->softpipe->cbuf_cache[0],
quads[0]->input.x0,
- quads[0]->input.y0);
+ quads[0]->input.y0, quads[0]->input.layer);
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
const int ity = (quad->input.y0 & (TILE_SIZE-1));
/* get/swizzle dest colors */
- for (j = 0; j < QUAD_SIZE; j++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; i++) {
}
}
+ /* If fixed-point dest color buffer, need to clamp the incoming
+ * fragment colors now.
+ */
+ if (bqs->clamp[0] || qs->softpipe->rasterizer->clamp_fragment_color) {
+ clamp_colors(quadColor);
+ }
+
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(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_MUL(dest[3], dest[3], one_minus_alpha); /* A */
+
+ VEC4_ADD(quadColor[0], source[0], dest[0]); /* R */
+ VEC4_ADD(quadColor[1], source[1], dest[1]); /* G */
+ VEC4_ADD(quadColor[2], source[2], dest[2]); /* B */
+ VEC4_ADD(quadColor[3], source[3], dest[3]); /* A */
+
+ /* If fixed-point dest color buffer, need to clamp the outgoing
+ * fragment colors now.
+ */
+ if (bqs->clamp[0]) {
+ clamp_colors(quadColor);
+ }
- 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 */
+ rebase_colors(bqs->base_format[0], quadColor);
- for (j = 0; j < QUAD_SIZE; j++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
struct quad_header *quads[],
unsigned nr)
{
- float dest[4][QUAD_SIZE];
+ const struct blend_quad_stage *bqs = blend_quad_stage(qs);
+ float dest[4][TGSI_QUAD_SIZE];
uint i, j, q;
struct softpipe_cached_tile *tile
= sp_get_cached_tile(qs->softpipe->cbuf_cache[0],
quads[0]->input.x0,
- quads[0]->input.y0);
+ quads[0]->input.y0, quads[0]->input.layer);
for (q = 0; q < nr; q++) {
struct quad_header *quad = quads[q];
const int ity = (quad->input.y0 & (TILE_SIZE-1));
/* get/swizzle dest colors */
- for (j = 0; j < QUAD_SIZE; j++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
for (i = 0; i < 4; 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 */
+ /* If fixed-point dest color buffer, need to clamp the incoming
+ * fragment colors now.
+ */
+ if (bqs->clamp[0] || qs->softpipe->rasterizer->clamp_fragment_color) {
+ clamp_colors(quadColor);
+ }
+
+ VEC4_ADD(quadColor[0], quadColor[0], dest[0]); /* R */
+ VEC4_ADD(quadColor[1], quadColor[1], dest[1]); /* G */
+ VEC4_ADD(quadColor[2], quadColor[2], dest[2]); /* B */
+ VEC4_ADD(quadColor[3], quadColor[3], dest[3]); /* A */
+
+ /* If fixed-point dest color buffer, need to clamp the outgoing
+ * fragment colors now.
+ */
+ if (bqs->clamp[0]) {
+ clamp_colors(quadColor);
+ }
+
+ rebase_colors(bqs->base_format[0], quadColor);
- for (j = 0; j < QUAD_SIZE; j++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
}
+/**
+ * Just copy the quad color to the framebuffer tile (respecting the writemask),
+ * for one color buffer.
+ * Clamping will be done, if needed (depending on the color buffer's
+ * datatype) when we write/pack the colors later.
+ */
static void
single_output_color(struct quad_stage *qs,
struct quad_header *quads[],
unsigned nr)
{
+ const struct blend_quad_stage *bqs = blend_quad_stage(qs);
uint i, j, q;
struct softpipe_cached_tile *tile
= sp_get_cached_tile(qs->softpipe->cbuf_cache[0],
quads[0]->input.x0,
- quads[0]->input.y0);
+ quads[0]->input.y0, quads[0]->input.layer);
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 (qs->softpipe->rasterizer->clamp_fragment_color)
+ clamp_colors(quadColor);
+
+ rebase_colors(bqs->base_format[0], quadColor);
+
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
if (quad->inout.mask & (1 << j)) {
int x = itx + (j & 1);
int y = ity + (j >> 1);
struct quad_header *quads[],
unsigned nr)
{
+ struct blend_quad_stage *bqs = blend_quad_stage(qs);
struct softpipe_context *softpipe = qs->softpipe;
const struct pipe_blend_state *blend = softpipe->blend;
+ unsigned i;
qs->run = blend_fallback;
qs->run = blend_noop;
}
else if (!softpipe->blend->logicop_enable &&
- softpipe->blend->colormask == 0xf &&
+ softpipe->blend->rt[0].colormask == 0xf &&
softpipe->framebuffer.nr_cbufs == 1)
{
- if (!blend->blend_enable) {
+ if (softpipe->framebuffer.cbufs[0] == NULL) {
+ qs->run = blend_noop;
+ }
+ else if (!blend->rt[0].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)
+ else if (blend->rt[0].rgb_src_factor == blend->rt[0].alpha_src_factor &&
+ blend->rt[0].rgb_dst_factor == blend->rt[0].alpha_dst_factor &&
+ blend->rt[0].rgb_func == blend->rt[0].alpha_func)
{
- if (blend->alpha_func == PIPE_BLEND_ADD) {
- if (blend->rgb_src_factor == PIPE_BLENDFACTOR_ONE &&
- blend->rgb_dst_factor == PIPE_BLENDFACTOR_ONE) {
+ if (blend->rt[0].alpha_func == PIPE_BLEND_ADD) {
+ if (blend->rt[0].rgb_src_factor == PIPE_BLENDFACTOR_ONE &&
+ blend->rt[0].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)
+ else if (blend->rt[0].rgb_src_factor == PIPE_BLENDFACTOR_SRC_ALPHA &&
+ blend->rt[0].rgb_dst_factor == PIPE_BLENDFACTOR_INV_SRC_ALPHA)
qs->run = blend_single_add_src_alpha_inv_src_alpha;
}
}
}
+ /* For each color buffer, determine if the buffer has destination alpha and
+ * whether color clamping is needed.
+ */
+ for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
+ if (softpipe->framebuffer.cbufs[i]) {
+ const enum pipe_format format = softpipe->framebuffer.cbufs[i]->format;
+ const struct util_format_description *desc =
+ util_format_description(format);
+ /* assuming all or no color channels are normalized: */
+ bqs->clamp[i] = desc->channel[0].normalized;
+ bqs->format_type[i] = desc->channel[0].type;
+
+ if (util_format_is_intensity(format))
+ bqs->base_format[i] = INTENSITY;
+ else if (util_format_is_luminance(format))
+ bqs->base_format[i] = LUMINANCE;
+ else if (util_format_is_luminance_alpha(format))
+ bqs->base_format[i] = LUMINANCE_ALPHA;
+ else if (!util_format_has_alpha(format))
+ bqs->base_format[i] = RGB;
+ else
+ bqs->base_format[i] = RGBA;
+ }
+ }
+
qs->run(qs, quads, nr);
}
struct quad_stage *sp_quad_blend_stage( struct softpipe_context *softpipe )
{
- struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
+ struct blend_quad_stage *stage = CALLOC_STRUCT(blend_quad_stage);
+
+ if (!stage)
+ return NULL;
- stage->softpipe = softpipe;
- stage->begin = blend_begin;
- stage->run = choose_blend_quad;
- stage->destroy = blend_destroy;
+ stage->base.softpipe = softpipe;
+ stage->base.begin = blend_begin;
+ stage->base.run = choose_blend_quad;
+ stage->base.destroy = blend_destroy;
- return stage;
+ return &stage->base;
}
projects / mesa.git / blobdiff