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-rw-r--r--src/mesa/shader/prog_debug.c259
1 files changed, 259 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_debug.c b/src/mesa/shader/prog_debug.c
new file mode 100644
index 00000000000..57929fcbcae
--- /dev/null
+++ b/src/mesa/shader/prog_debug.c
@@ -0,0 +1,259 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2007 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.
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+#include "nvfragparse.h"
+#include "nvvertparse.h"
+#include "program.h"
+#include "prog_debug.h"
+#include "prog_parameter.h"
+#include "prog_instruction.h"
+
+
+
+/**
+ * Functions for the experimental GL_MESA_program_debug extension.
+ */
+
+
+/* XXX temporary */
+GLAPI void GLAPIENTRY
+glProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
+ GLvoid *data)
+{
+ _mesa_ProgramCallbackMESA(target, callback, data);
+}
+
+
+void
+_mesa_ProgramCallbackMESA(GLenum target, GLprogramcallbackMESA callback,
+ GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ switch (target) {
+ case GL_FRAGMENT_PROGRAM_ARB:
+ if (!ctx->Extensions.ARB_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
+ return;
+ }
+ ctx->FragmentProgram.Callback = callback;
+ ctx->FragmentProgram.CallbackData = data;
+ break;
+ case GL_FRAGMENT_PROGRAM_NV:
+ if (!ctx->Extensions.NV_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
+ return;
+ }
+ ctx->FragmentProgram.Callback = callback;
+ ctx->FragmentProgram.CallbackData = data;
+ break;
+ case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
+ if (!ctx->Extensions.ARB_vertex_program &&
+ !ctx->Extensions.NV_vertex_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
+ return;
+ }
+ ctx->VertexProgram.Callback = callback;
+ ctx->VertexProgram.CallbackData = data;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramCallbackMESA(target)");
+ return;
+ }
+}
+
+
+/* XXX temporary */
+GLAPI void GLAPIENTRY
+glGetProgramRegisterfvMESA(GLenum target,
+ GLsizei len, const GLubyte *registerName,
+ GLfloat *v)
+{
+ _mesa_GetProgramRegisterfvMESA(target, len, registerName, v);
+}
+
+
+void
+_mesa_GetProgramRegisterfvMESA(GLenum target,
+ GLsizei len, const GLubyte *registerName,
+ GLfloat *v)
+{
+ char reg[1000];
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* We _should_ be inside glBegin/glEnd */
+#if 0
+ if (ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramRegisterfvMESA");
+ return;
+ }
+#endif
+
+ /* make null-terminated copy of registerName */
+ len = MIN2((unsigned int) len, sizeof(reg) - 1);
+ _mesa_memcpy(reg, registerName, len);
+ reg[len] = 0;
+
+ switch (target) {
+ case GL_VERTEX_PROGRAM_ARB: /* == GL_VERTEX_PROGRAM_NV */
+ if (!ctx->Extensions.ARB_vertex_program &&
+ !ctx->Extensions.NV_vertex_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetProgramRegisterfvMESA(target)");
+ return;
+ }
+ if (!ctx->VertexProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramRegisterfvMESA");
+ return;
+ }
+ /* GL_NV_vertex_program */
+ if (reg[0] == 'R') {
+ /* Temp register */
+ GLint i = _mesa_atoi(reg + 1);
+ if (i >= (GLint)ctx->Const.VertexProgram.MaxTemps) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_TEMPORARY, i, v);
+ }
+ else if (reg[0] == 'v' && reg[1] == '[') {
+ /* Vertex Input attribute */
+ GLuint i;
+ for (i = 0; i < ctx->Const.VertexProgram.MaxAttribs; i++) {
+ const char *name = _mesa_nv_vertex_input_register_name(i);
+ char number[10];
+ _mesa_sprintf(number, "%d", i);
+ if (_mesa_strncmp(reg + 2, name, 4) == 0 ||
+ _mesa_strncmp(reg + 2, number, _mesa_strlen(number)) == 0) {
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_INPUT, i, v);
+ return;
+ }
+ }
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ else if (reg[0] == 'o' && reg[1] == '[') {
+ /* Vertex output attribute */
+ }
+ /* GL_ARB_vertex_program */
+ else if (_mesa_strncmp(reg, "vertex.", 7) == 0) {
+
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ if (!ctx->Extensions.ARB_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetProgramRegisterfvMESA(target)");
+ return;
+ }
+ if (!ctx->FragmentProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramRegisterfvMESA");
+ return;
+ }
+ /* XXX to do */
+ break;
+ case GL_FRAGMENT_PROGRAM_NV:
+ if (!ctx->Extensions.NV_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetProgramRegisterfvMESA(target)");
+ return;
+ }
+ if (!ctx->FragmentProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramRegisterfvMESA");
+ return;
+ }
+ if (reg[0] == 'R') {
+ /* Temp register */
+ GLint i = _mesa_atoi(reg + 1);
+ if (i >= (GLint)ctx->Const.FragmentProgram.MaxTemps) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_TEMPORARY,
+ i, v);
+ }
+ else if (reg[0] == 'f' && reg[1] == '[') {
+ /* Fragment input attribute */
+ GLuint i;
+ for (i = 0; i < ctx->Const.FragmentProgram.MaxAttribs; i++) {
+ const char *name = _mesa_nv_fragment_input_register_name(i);
+ if (_mesa_strncmp(reg + 2, name, 4) == 0) {
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_INPUT, i, v);
+ return;
+ }
+ }
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ else if (_mesa_strcmp(reg, "o[COLR]") == 0) {
+ /* Fragment output color */
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_COLR, v);
+ }
+ else if (_mesa_strcmp(reg, "o[COLH]") == 0) {
+ /* Fragment output color */
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_COLH, v);
+ }
+ else if (_mesa_strcmp(reg, "o[DEPR]") == 0) {
+ /* Fragment output depth */
+ ctx->Driver.GetProgramRegister(ctx, PROGRAM_OUTPUT,
+ FRAG_RESULT_DEPR, v);
+ }
+ else {
+ /* try user-defined identifiers */
+ const GLfloat *value = _mesa_lookup_parameter_value(
+ ctx->FragmentProgram.Current->Base.Parameters, -1, reg);
+ if (value) {
+ COPY_4V(v, value);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetProgramRegisterfvMESA(registerName)");
+ return;
+ }
+ }
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetProgramRegisterfvMESA(target)");
+ return;
+ }
+}
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