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-rw-r--r--src/mesa/swrast/s_arbshader.c208
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]);
+ }
+ }
+ }
+}
+