diff options
Diffstat (limited to 'src/mesa/swrast/s_arbshader.c')
-rw-r--r-- | src/mesa/swrast/s_arbshader.c | 208 |
1 files changed, 109 insertions, 99 deletions
diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c index ba146dd1bb..9cd96c5a36 100644 --- a/src/mesa/swrast/s_arbshader.c +++ b/src/mesa/swrast/s_arbshader.c @@ -1,99 +1,109 @@ -/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 2006 Brian Paul 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, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- *
- * Authors:
- * Michal Krol
- */
-
-#include "glheader.h"
-#include "context.h"
-#include "colormac.h"
-#include "s_arbshader.h"
-#include "s_context.h"
-#include "shaderobjects.h"
-#include "shaderobjects_3dlabs.h"
-#include "slang_utility.h"
-#include "slang_link.h"
-
-void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span)
-{
- struct gl2_program_intf **pro;
- GLuint i;
-
- if (!ctx->ShaderObjects._FragmentShaderPresent)
- return;
- pro = ctx->ShaderObjects.CurrentProgram;
- if (!ctx->ShaderObjects._VertexShaderPresent)
- (**pro).UpdateFixedUniforms (pro);
-
- for (i = span->start; i < span->end; i++)
- {
- /* only run shader on active fragments */
- if (span->array->mask[i]) {
- GLfloat vec[4];
- GLuint j;
- GLboolean discard;
-
- vec[0] = (GLfloat) span->x + i;
- vec[1] = (GLfloat) span->y;
- vec[2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF;
- vec[3] = span->w + span->dwdx * i;
- (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_FRAGCOORD, vec, 0,
- 4 * sizeof (GLfloat), GL_TRUE);
- vec[0] = CHAN_TO_FLOAT(span->array->rgba[i][RCOMP]);
- vec[1] = CHAN_TO_FLOAT(span->array->rgba[i][GCOMP]);
- vec[2] = CHAN_TO_FLOAT(span->array->rgba[i][BCOMP]);
- vec[3] = CHAN_TO_FLOAT(span->array->rgba[i][ACOMP]);
- (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_COLOR, vec, 0, 4 * sizeof (GLfloat),
- GL_TRUE);
- for (j = 0; j < ctx->Const.MaxTextureCoordUnits; j++)
- {
- vec[0] = span->array->texcoords[j][i][0];
- vec[1] = span->array->texcoords[j][i][1];
- vec[2] = span->array->texcoords[j][i][2];
- vec[3] = span->array->texcoords[j][i][3];
- (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_TEXCOORD, vec, j,
- 4 * sizeof (GLfloat), GL_TRUE);
- }
-
- _slang_exec_fragment_shader (pro);
-
- _slang_fetch_discard (pro, &discard);
- if (discard)
- {
- span->array->mask[i] = GL_FALSE;
- span->writeAll = GL_FALSE;
- }
- else
- {
- (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_FRAGCOLOR, vec, 0,
- 4 * sizeof (GLfloat), GL_FALSE);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][RCOMP], vec[0]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][GCOMP], vec[1]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][BCOMP], vec[2]);
- UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], vec[3]);
- }
- }
- }
-}
-
+/* + * Mesa 3-D graphics library + * Version: 6.5 + * + * Copyright (C) 2006 Brian Paul 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, sublicense, + * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL 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. + * + * Authors: + * Michal Krol + */ + +#include "glheader.h" +#include "context.h" +#include "colormac.h" +#include "s_arbshader.h" +#include "s_context.h" +#include "shaderobjects.h" +#include "shaderobjects_3dlabs.h" +#include "slang_utility.h" +#include "slang_link.h" + +void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span) +{ + struct gl2_program_intf **pro; + GLuint i; + + if (!ctx->ShaderObjects._FragmentShaderPresent) + return; + pro = ctx->ShaderObjects.CurrentProgram; + if (!ctx->ShaderObjects._VertexShaderPresent) + (**pro).UpdateFixedUniforms (pro); + + for (i = span->start; i < span->end; i++) + { + /* only run shader on active fragments */ + if (span->array->mask[i]) { + GLfloat vec[4]; + GLuint j; + GLboolean discard; + + vec[0] = (GLfloat) span->x + i; + vec[1] = (GLfloat) span->y; + vec[2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF; + vec[3] = span->w + span->dwdx * i; + (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_FRAGCOORD, vec, 0, + 4 * sizeof (GLfloat), GL_TRUE); + vec[0] = CHAN_TO_FLOAT(span->array->rgba[i][RCOMP]); + vec[1] = CHAN_TO_FLOAT(span->array->rgba[i][GCOMP]); + vec[2] = CHAN_TO_FLOAT(span->array->rgba[i][BCOMP]); + vec[3] = CHAN_TO_FLOAT(span->array->rgba[i][ACOMP]); + (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_COLOR, vec, 0, 4 * sizeof (GLfloat), + GL_TRUE); + for (j = 0; j < ctx->Const.MaxTextureCoordUnits; j++) + { + vec[0] = span->array->texcoords[j][i][0]; + vec[1] = span->array->texcoords[j][i][1]; + vec[2] = span->array->texcoords[j][i][2]; + vec[3] = span->array->texcoords[j][i][3]; + (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_TEXCOORD, vec, j, + 4 * sizeof (GLfloat), GL_TRUE); + } + for (j = 0; j < MAX_VARYING_VECTORS; j++) + { + GLuint k; + + for (k = 0; k < VARYINGS_PER_VECTOR; k++) + { + (**pro).UpdateVarying (pro, j * VARYINGS_PER_VECTOR + k, + &span->array->varying[i][j][k], GL_FALSE); + } + } + + _slang_exec_fragment_shader (pro); + + _slang_fetch_discard (pro, &discard); + if (discard) + { + span->array->mask[i] = GL_FALSE; + span->writeAll = GL_FALSE; + } + else + { + (**pro).UpdateFixedVarying (pro, SLANG_FRAGMENT_FIXED_FRAGCOLOR, vec, 0, + 4 * sizeof (GLfloat), GL_FALSE); + UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][RCOMP], vec[0]); + UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][GCOMP], vec[1]); + UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][BCOMP], vec[2]); + UNCLAMPED_FLOAT_TO_CHAN(span->array->rgba[i][ACOMP], vec[3]); + } + } + } +} + |