r300: Add radeonCompilerDump for debugging

3 files changed, 38 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/r300/r300_fragprog.c b/src/mesa/drivers/dri/r300/r300_fragprog.c
index 4c6289298e7..814ccd3eacc 100644
--- a/src/mesa/drivers/dri/r300/r300_fragprog.c
+++ b/src/mesa/drivers/dri/r300/r300_fragprog.c
@@ -301,6 +301,11 @@ void r300TranslateFragmentShader(r300ContextPtr r300,
 			&compiler.compiler.Clauses[0],
 			1, transformations);
 
+		if (RADEON_DEBUG & DEBUG_PIXEL) {
+			_mesa_printf("Compiler state after transformations:\n");
+			radeonCompilerDump(&compiler.compiler);
+		}
+
 		if (!r300FragmentProgramEmit(&compiler))
 			fp->error = GL_TRUE;
 
diff --git a/src/mesa/drivers/dri/r300/radeon_program.c b/src/mesa/drivers/dri/r300/radeon_program.c
index 41cedbe61dc..c8f40e81893 100644
--- a/src/mesa/drivers/dri/r300/radeon_program.c
+++ b/src/mesa/drivers/dri/r300/radeon_program.c
@@ -27,6 +27,7 @@
 
 #include "radeon_program.h"
 
+#include "shader/prog_print.h"
 
 /**
  * Initialize a compiler structure with a single mixed clause
@@ -79,6 +80,37 @@ int radeonCompilerAllocateTemporary(struct radeon_compiler *compiler)
 }
 
 
+static const char* clausename(int type)
+{
+	switch(type) {
+	case CLAUSE_MIXED: return "CLAUSE_MIXED";
+	case CLAUSE_ALU: return "CLAUSE_ALU";
+	case CLAUSE_TEX: return "CLAUSE_TEX";
+	default: return "CLAUSE_UNKNOWN";
+	}
+}
+
+
+/**
+ * Dump the current compiler state to the console for debugging.
+ */
+void radeonCompilerDump(struct radeon_compiler *compiler)
+{
+	int i;
+	for(i = 0; i < compiler->NumClauses; ++i) {
+		struct radeon_clause *clause = &compiler->Clauses[i];
+		int j;
+
+		_mesa_printf("%2i: %s\n", i+1, clausename(clause->Type));
+
+		for(j = 0; j < clause->NumInstructions; ++j) {
+			_mesa_printf("%4i: ", j+1);
+			_mesa_print_instruction(&clause->Instructions[j]);
+		}
+	}
+}
+
+
 /**
  * \p position index of the new clause; later clauses are moved
  * \p type of the new clause; one of CLAUSE_XXX
diff --git a/src/mesa/drivers/dri/r300/radeon_program.h b/src/mesa/drivers/dri/r300/radeon_program.h
index 3cde4d4f6fc..25e70505b16 100644
--- a/src/mesa/drivers/dri/r300/radeon_program.h
+++ b/src/mesa/drivers/dri/r300/radeon_program.h
@@ -104,6 +104,7 @@ void radeonCompilerInit(
 	struct gl_program *source);
 void radeonCompilerCleanup(struct radeon_compiler *compiler);
 int radeonCompilerAllocateTemporary(struct radeon_compiler *compiler);
+void radeonCompilerDump(struct radeon_compiler *compiler);
 
 struct radeon_clause *radeonCompilerInsertClause(
 	struct radeon_compiler *compiler,