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implement logicop

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This commit is contained in:
Brian
2007-10-15 17:26:01 -06:00
parent 566c11254f
commit 7abc78a967
2 changed files with 145 additions and 2 deletions
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src/mesa/pipe/softpipe/sp_quad.c
+28 -1
View File
@@ -1,3 +1,29 @@
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* 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
* 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 "sp_context.h"
@@ -16,7 +42,8 @@ sp_build_quad_pipeline(struct softpipe_context *sp)
sp->quad.first = sp->quad.colormask;
}
if (sp->blend->blend_enable) {
if (sp->blend->blend_enable ||
sp->blend->logicop_enable) {
sp->quad.blend->next = sp->quad.first;
sp->quad.first = sp->quad.blend;
}
src/mesa/pipe/softpipe/sp_quad_blend.c
+117 -1
View File
@@ -96,6 +96,116 @@ do { \
static void
logicop_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct softpipe_context *softpipe = qs->softpipe;
struct softpipe_surface *sps = softpipe_surface(softpipe->cbuf);
float dest[4][QUAD_SIZE];
ubyte src[4][4], dst[4][4], res[4][4];
uint *src4 = (uint *) src;
uint *dst4 = (uint *) dst;
uint *res4 = (uint *) res;
uint j;
/* get colors from framebuffer */
sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
/* convert to ubyte */
for (j = 0; j < 4; j++) { /* loop over R,G,B,A channels */
UNCLAMPED_FLOAT_TO_UBYTE(dst[j][0], dest[j][0]); /* P0 */
UNCLAMPED_FLOAT_TO_UBYTE(dst[j][1], dest[j][1]); /* P1 */
UNCLAMPED_FLOAT_TO_UBYTE(dst[j][2], dest[j][2]); /* P2 */
UNCLAMPED_FLOAT_TO_UBYTE(dst[j][3], dest[j][3]); /* P3 */
UNCLAMPED_FLOAT_TO_UBYTE(src[j][0], quad->outputs.color[j][0]); /* P0 */
UNCLAMPED_FLOAT_TO_UBYTE(src[j][1], quad->outputs.color[j][1]); /* P1 */
UNCLAMPED_FLOAT_TO_UBYTE(src[j][2], quad->outputs.color[j][2]); /* P2 */
UNCLAMPED_FLOAT_TO_UBYTE(src[j][3], quad->outputs.color[j][3]); /* P3 */
}
switch (softpipe->blend->logicop_func) {
case PIPE_LOGICOP_CLEAR:
for (j = 0; j < 4; j++)
res4[j] = 0;
break;
case PIPE_LOGICOP_NOR:
for (j = 0; j < 4; j++)
res4[j] = ~(src4[j] | dst4[j]);
break;
case PIPE_LOGICOP_AND_INVERTED:
for (j = 0; j < 4; j++)
res4[j] = ~src4[j] & dst4[j];
break;
case PIPE_LOGICOP_COPY_INVERTED:
for (j = 0; j < 4; j++)
res4[j] = ~src4[j];
break;
case PIPE_LOGICOP_AND_REVERSE:
for (j = 0; j < 4; j++)
res4[j] = src4[j] & ~dst4[j];
break;
case PIPE_LOGICOP_INVERT:
for (j = 0; j < 4; j++)
res4[j] = ~dst4[j];
break;
case PIPE_LOGICOP_XOR:
for (j = 0; j < 4; j++)
res4[j] = dst4[j] ^ src4[j];
break;
case PIPE_LOGICOP_NAND:
for (j = 0; j < 4; j++)
res4[j] = ~(src4[j] & dst4[j]);
break;
case PIPE_LOGICOP_AND:
for (j = 0; j < 4; j++)
res4[j] = src4[j] & dst4[j];
break;
case PIPE_LOGICOP_EQUIV:
for (j = 0; j < 4; j++)
res4[j] = ~(src4[j] ^ dst4[j]);
break;
case PIPE_LOGICOP_NOOP:
for (j = 0; j < 4; j++)
res4[j] = dst4[j];
break;
case PIPE_LOGICOP_OR_INVERTED:
for (j = 0; j < 4; j++)
res4[j] = ~src4[j] | dst4[j];
break;
case PIPE_LOGICOP_COPY:
for (j = 0; j < 4; j++)
res4[j] = src4[j];
break;
case PIPE_LOGICOP_OR_REVERSE:
for (j = 0; j < 4; j++)
res4[j] = src4[j] | ~dst4[j];
break;
case PIPE_LOGICOP_OR:
for (j = 0; j < 4; j++)
res4[j] = src4[j] | dst4[j];
break;
case PIPE_LOGICOP_SET:
for (j = 0; j < 4; j++)
res4[j] = ~0;
break;
default:
assert(0);
}
for (j = 0; j < 4; j++) {
quad->outputs.color[j][0] = UBYTE_TO_FLOAT(res[j][0]);
quad->outputs.color[j][1] = UBYTE_TO_FLOAT(res[j][1]);
quad->outputs.color[j][2] = UBYTE_TO_FLOAT(res[j][2]);
quad->outputs.color[j][3] = UBYTE_TO_FLOAT(res[j][3]);
}
/* pass quad to next stage */
qs->next->run(qs->next, quad);
}
static void
blend_quad(struct quad_stage *qs, struct quad_header *quad)
{
@@ -104,7 +214,12 @@ blend_quad(struct quad_stage *qs, struct quad_header *quad)
struct softpipe_context *softpipe = qs->softpipe;
struct softpipe_surface *sps = softpipe_surface(softpipe->cbuf);
float source[4][QUAD_SIZE], dest[4][QUAD_SIZE];
if (softpipe->blend->logicop_enable) {
logicop_quad(qs, quad);
return;
}
/* get colors from framebuffer */
sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
@@ -371,6 +486,7 @@ blend_quad(struct quad_stage *qs, struct quad_header *quad)
break;
case PIPE_BLEND_MAX:
VEC4_MAX(quad->outputs.color[3], source[3], dest[3]); /* A */
break;
default:
abort();
}