aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/swrast/s_arbshader.c117
-rw-r--r--src/mesa/swrast/s_arbshader.h34
-rw-r--r--src/mesa/swrast/s_span.c21
3 files changed, 167 insertions, 5 deletions
diff --git a/src/mesa/swrast/s_arbshader.c b/src/mesa/swrast/s_arbshader.c
new file mode 100644
index 00000000000..7cea59ee40a
--- /dev/null
+++ b/src/mesa/swrast/s_arbshader.c
@@ -0,0 +1,117 @@
+/*
+ * 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"
+
+int _slang_fetch_vec4_f (struct gl2_fragment_shader_intf **, const char *, GLfloat *,
+ GLuint, int);
+int _slang_fetch_discard (struct gl2_fragment_shader_intf **, GLboolean *);
+void exec_fragment_shader (struct gl2_fragment_shader_intf **);
+
+static void fetch_input_vec4 (const char *name, GLfloat *vec, GLuint index,
+ struct gl2_fragment_shader_intf **fs)
+{
+ _slang_fetch_vec4_f (fs, name, vec, index, 1);
+}
+
+static void fetch_output_vec4 (const char *name, GLfloat *vec, GLuint index,
+ struct gl2_fragment_shader_intf **fs)
+{
+ _slang_fetch_vec4_f (fs, name, vec, index, 0);
+}
+
+void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span)
+{
+ struct gl2_program_intf **prog;
+ struct gl2_fragment_shader_intf **fs = NULL;
+ GLuint count, i;
+
+ prog = ctx->ShaderObjects.CurrentProgram;
+ count = (**prog)._container.GetAttachedCount ((struct gl2_container_intf **) prog);
+ for (i = 0; i < count; i++)
+ {
+ struct gl2_generic_intf **obj;
+ struct gl2_unknown_intf **unk;
+
+ obj = (**prog)._container.GetAttached ((struct gl2_container_intf **) prog, i);
+ unk = (**obj)._unknown.QueryInterface ((struct gl2_unknown_intf **) obj, UIID_FRAGMENT_SHADER);
+ (**obj)._unknown.Release ((struct gl2_unknown_intf **) obj);
+ if (unk != NULL)
+ {
+ fs = (struct gl2_fragment_shader_intf **) unk;
+ break;
+ }
+ }
+ if (fs == NULL)
+ return;
+
+ for (i = span->start; i < span->end; i++)
+ {
+ GLfloat vec[4];
+ GLuint j;
+ GLboolean kill;
+
+ 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;
+ fetch_input_vec4 ("gl_FragCoord", vec, 0, fs);
+ 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]);
+ fetch_input_vec4 ("gl_Color", vec, 0, fs);
+ 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];
+ fetch_input_vec4 ("gl_TexCoord", vec, j, fs);
+ }
+
+ exec_fragment_shader (fs);
+
+ _slang_fetch_discard (fs, &kill);
+ if (kill)
+ {
+ span->array->mask[i] = GL_FALSE;
+ span->writeAll = GL_FALSE;
+ }
+ fetch_output_vec4 ("gl_FragColor", vec, 0, fs);
+ 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]);
+ }
+}
+
diff --git a/src/mesa/swrast/s_arbshader.h b/src/mesa/swrast/s_arbshader.h
new file mode 100644
index 00000000000..7a99ad725e4
--- /dev/null
+++ b/src/mesa/swrast/s_arbshader.h
@@ -0,0 +1,34 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 2006 David Airlie 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
+ * DAVID AIRLIE 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.
+ */
+
+
+#ifndef S_ARBSHADER_H
+#define S_ARBSHADER_H
+
+#include "s_context.h"
+
+extern void _swrast_exec_arbshader (GLcontext *ctx, struct sw_span *span);
+
+#endif
+
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 681d4eba11c..91556cae5f3 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -2,7 +2,7 @@
* Mesa 3-D graphics library
* Version: 6.5
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2006 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"),
@@ -37,7 +37,8 @@
#include "imports.h"
#include "s_atifragshader.h"
-#include "s_alpha.h"
+#include "s_alpha.h"
+#include "s_arbshader.h"
#include "s_blend.h"
#include "s_context.h"
#include "s_depth.h"
@@ -1154,8 +1155,13 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
if (span->interpMask & SPAN_FOG)
interpolate_fog(ctx, span);
- /* Compute fragment colors with fragment program or texture lookups */
- if (ctx->FragmentProgram._Active) {
+ /* Compute fragment colors with fragment program or texture lookups */
+ if (ctx->ShaderObjects.CurrentProgram != NULL) {
+ if (span->interpMask & SPAN_Z)
+ _swrast_span_interpolate_z (ctx, span);
+ _swrast_exec_arbshader (ctx, span);
+ }
+ else if (ctx->FragmentProgram._Active) {
/* frag prog may need Z values */
if (span->interpMask & SPAN_Z)
_swrast_span_interpolate_z(ctx, span);
@@ -1232,7 +1238,12 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
if (span->interpMask & SPAN_FOG)
interpolate_fog(ctx, span);
- if (ctx->FragmentProgram._Active)
+ if (ctx->ShaderObjects.CurrentProgram != NULL) {
+ if (span->interpMask & SPAN_Z)
+ _swrast_span_interpolate_z (ctx, span);
+ _swrast_exec_arbshader (ctx, span);
+ }
+ else if (ctx->FragmentProgram._Active)
_swrast_exec_fragment_program( ctx, span );
else if (ctx->ATIFragmentShader._Enabled)
_swrast_exec_fragment_shader( ctx, span );
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 08:18:49 +0000