summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/r300/radeon_program.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_program.h')
-rw-r--r--src/mesa/drivers/dri/r300/radeon_program.h164
1 files changed, 164 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_program.h b/src/mesa/drivers/dri/r300/radeon_program.h
new file mode 100644
index 0000000000..25e70505b1
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/radeon_program.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2008 Nicolai Haehnle.
+ *
+ * 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 (including the
+ * next paragraph) 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 THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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 __RADEON_PROGRAM_H_
+#define __RADEON_PROGRAM_H_
+
+#include "glheader.h"
+#include "macros.h"
+#include "enums.h"
+#include "shader/program.h"
+#include "shader/prog_instruction.h"
+
+
+enum {
+ CLAUSE_MIXED = 0,
+ CLAUSE_ALU,
+ CLAUSE_TEX
+};
+
+enum {
+ PROGRAM_BUILTIN = PROGRAM_FILE_MAX /**< not a real register, but a special swizzle constant */
+};
+
+#define SWIZZLE_0000 MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ZERO)
+#define SWIZZLE_1111 MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE, SWIZZLE_ONE)
+
+/**
+ * A clause is simply a sequence of instructions that are executed
+ * in order.
+ */
+struct radeon_clause {
+ /**
+ * Type of this clause, one of CLAUSE_XXX.
+ */
+ int Type : 2;
+
+ /**
+ * Pointer to an array of instructions.
+ * The array is terminated by an OPCODE_END instruction.
+ */
+ struct prog_instruction *Instructions;
+
+ /**
+ * Number of instructions in this clause.
+ */
+ int NumInstructions;
+
+ /**
+ * Space reserved for instructions in this clause.
+ */
+ int ReservedInstructions;
+};
+
+/**
+ * A compile object, holding the current intermediate state during compilation.
+ */
+struct radeon_compiler {
+ struct gl_program *Source;
+ GLcontext* Ctx;
+
+ /**
+ * Number of clauses in this program.
+ */
+ int NumClauses;
+
+ /**
+ * Pointer to an array of NumClauses clauses.
+ */
+ struct radeon_clause *Clauses;
+
+ /**
+ * Number of registers in the PROGRAM_TEMPORARIES file.
+ */
+ int NumTemporaries;
+};
+
+void radeonCompilerInit(
+ struct radeon_compiler *compiler,
+ GLcontext *ctx,
+ 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,
+ int position,
+ int type);
+void radeonCompilerEraseClauses(
+ struct radeon_compiler *compiler,
+ int start,
+ int end);
+
+struct prog_instruction* radeonClauseInsertInstructions(
+ struct radeon_compiler *compiler,
+ struct radeon_clause *clause,
+ int position, int count);
+
+/**
+ *
+ */
+struct radeon_program_transform_context {
+ struct radeon_compiler *compiler;
+
+ /**
+ * Destination clause where new instructions must be written.
+ */
+ struct radeon_clause *dest;
+
+ /**
+ * Original clause that is currently being transformed.
+ */
+ struct radeon_clause *src;
+};
+
+/**
+ * A transformation that can be passed to \ref radeonClauseLinearTransform.
+ *
+ * The function will be called once for each instruction.
+ * It has to either emit the appropriate transformed code for the instruction
+ * and return GL_TRUE, or return GL_FALSE if it doesn't understand the
+ * instruction.
+ *
+ * The function gets passed the userData as last parameter.
+ */
+struct radeon_program_transformation {
+ GLboolean (*function)(
+ struct radeon_program_transform_context*,
+ struct prog_instruction*,
+ void*);
+ void *userData;
+};
+
+void radeonClauseLocalTransform(
+ struct radeon_compiler *compiler,
+ struct radeon_clause *clause,
+ int num_transformations,
+ struct radeon_program_transformation* transformations);
+
+#endif