2 files changed, 184 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/pixel_shader.h b/src/mesa/drivers/dri/r300/pixel_shader.h
new file mode 100644
index 0000000000..07c8449734
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/pixel_shader.h
@@ -0,0 +1,94 @@
+#ifndef __PIXEL_SHADER_H__
+#define __PIXEL_SHADER_H__
+
+#include "r300_reg.h"
+
+
+/* INSTR 0 */
+
+#define PFS_OP_MAD	0
+#define PFS_OP_DP3	1
+#define PFS_OP_DP4	2
+#define PFS_OP_MIN	4
+#define PFS_OP_MAX	5
+#define PFS_OP_CMP	8
+#define PFS_OP_FRC	9
+#define PFS_OP_OUTC_REPL_ALPHA	10
+
+/* "or" these with arg0 value to negate or take absolute value of an argument */
+#define PFS_ARG_NEG  (1<<5)
+#define PFS_ARG_ABS  (1<<6)
+
+#define MAKE_PFS_INSTR0(op, arg0, arg1, arg2, flags) \
+	( ((op)<<23) \
+	  | ((arg0)<<R300_FPI0_ARG0C_SHIFT) \
+	  | ((arg1)<<R300_FPI0_ARG1C_SHIFT) \
+	  | ((arg2)<<R300_FPI0_ARG2C_SHIFT) \
+	  | (flags) \
+	)
+
+#define PFS_FLAG_X	1
+#define PFS_FLAG_Y	2
+#define PFS_FLAG_XY	3
+#define PFS_FLAG_Z	4
+#define PFS_FLAG_XZ	5
+#define PFS_FLAG_YZ	6
+#define PFS_FLAG_ALL	7
+#define PFS_FLAG_NONE	0
+
+#define EASY_PFS_INSTR0(op, arg0, arg1, arg2) \
+	MAKE_PFS_INSTR0(PFS_OP_##op, \
+		R300_FPI0_ARGC_##arg0, \
+		R300_FPI0_ARGC_##arg1, \
+		R300_FPI0_ARGC_##arg2, \
+		0)
+
+/* INSTR 1 */
+
+#define PFS_FLAG_CONST (1<<5)
+
+#define MAKE_PFS_INSTR1(dstc, src0, src1, src2, reg, output) \
+	((src0) | ((src1) << R300_FPI1_SRC1C_SHIFT) \
+	  | ((src2)<<R300_FPI1_SRC2C_SHIFT) \
+	  | ((dstc) << R300_FPI1_DSTC_SHIFT) \
+	  | ((reg) << 23) | ((output)<<26))
+
+#define EASY_PFS_INSTR1(dstc, src0, src1, src2, reg, output) \
+	MAKE_PFS_INSTR1(dstc, src0, src1, src2, PFS_FLAG_##reg, PFS_FLAG_##output)
+
+/* INSTR 2 */
+
+/* you can "or" PFS_ARG_NEG with these values to negate them */
+
+#define MAKE_PFS_INSTR2(op, arg0, arg1, arg2, flags) \
+	(((op) << 23) | \
+	  ((arg0)<<R300_FPI2_ARG0A_SHIFT) | \
+	  ((arg1)<<R300_FPI2_ARG1A_SHIFT) | \
+	  ((arg2)<<R300_FPI2_ARG2A_SHIFT) | \
+	  (flags))
+
+#define EASY_PFS_INSTR2(op, arg0, arg1, arg2) \
+	MAKE_PFS_INSTR2(R300_FPI2_OUTA_##op, \
+		R300_FPI2_ARGA_##arg0, \
+		R300_FPI2_ARGA_##arg1, \
+		R300_FPI2_ARGA_##arg2, \
+		0)
+
+
+/* INSTR 3 */
+
+#define PFS_FLAG_NONE	0
+#define PFS_FLAG_REG	1
+#define PFS_FLAG_OUTPUT	2
+#define PFS_FLAG_BOTH	3
+
+#define MAKE_PFS_INSTR3(dstc, src0, src1, src2, flags) \
+	((src0) | ((src1) << R300_FPI1_SRC1C_SHIFT) \
+	  | ((src2)<<R300_FPI1_SRC2C_SHIFT) \
+	  | ((dstc) << R300_FPI1_DSTC_SHIFT) \
+	  | ((flags) << 23))
+
+#define EASY_PFS_INSTR3(dstc, src0, src1, src2, flag) \
+	MAKE_PFS_INSTR3(dstc, src0, src1, src2, PFS_FLAG_##flag)
+
+#endif
diff --git a/src/mesa/drivers/dri/r300/vertex_shader.h b/src/mesa/drivers/dri/r300/vertex_shader.h
new file mode 100644
index 0000000000..e756aaa343
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/vertex_shader.h
@@ -0,0 +1,90 @@
+#ifndef __VERTEX_SHADER_H__
+#define __VERTEX_SHADER_H__
+
+#include "r300_reg.h"
+
+typedef struct {
+	CARD32 op;
+	CARD32 src1;
+	CARD32 src2;
+	CARD32 src3;
+	} VERTEX_SHADER_INSTRUCTION;
+
+#define VSF_FLAG_X	1
+#define VSF_FLAG_Y	2
+#define VSF_FLAG_Z	4
+#define VSF_FLAG_W	8
+#define VSF_FLAG_ALL  0xf
+#define VSF_FLAG_NONE  0
+
+#define VSF_OUT_CLASS_TMP	0
+#define VSF_OUT_CLASS_RESULT	2
+
+
+/* first CARD32 of an instruction */
+
+/* possible operations: 
+    DOT, MUL, ADD, MAD, FRC, MAX, MIN, SGE, SLT, EXP, LOG, LIT, POW, RCP, RSQ, EX2,
+    LG2, MAD_2 */
+
+#define MAKE_VSF_OP(op, out_reg_index, out_reg_fields, class) \
+   ((op)  \
+  	| ((out_reg_index) << R300_VPI_OUT_REG_INDEX_SHIFT) 	\
+ 	 | ((out_reg_fields) << 20) 	\
+  	| ( (class) << 8 ) )
+
+#define EASY_VSF_OP(op, out_reg_index, out_reg_fields, class) \
+	MAKE_VSF_OP(R300_VPI_OUT_OP_##op, out_reg_index, VSF_FLAG_##out_reg_fields, VSF_OUT_CLASS_##class) \
+
+/* according to Nikolai, the subsequent 3 CARD32 are sources, use same define for each */
+
+#define VSF_IN_CLASS_TMP	0
+#define VSF_IN_CLASS_ATTR	1
+#define VSF_IN_CLASS_PARAM	2
+#define VSF_IN_CLASS_NONE	9
+
+#define VSF_IN_COMPONENT_X	0
+#define VSF_IN_COMPONENT_Y	1
+#define VSF_IN_COMPONENT_Z	2
+#define VSF_IN_COMPONENT_W	3
+#define VSF_IN_COMPONENT_ZERO	4
+#define VSF_IN_COMPONENT_ONE	5
+
+#define MAKE_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \
+	( ((in_reg_index)<<R300_VPI_IN_REG_INDEX_SHIFT) \
+	   | ((comp_x)<<R300_VPI_IN_X_SHIFT) \
+	   | ((comp_y)<<R300_VPI_IN_Y_SHIFT) \
+	   | ((comp_z)<<R300_VPI_IN_Z_SHIFT) \
+	   | ((comp_w)<<R300_VPI_IN_W_SHIFT) \
+	   | ((negate)<<25) | ((class)))
+	   
+#define EASY_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \
+	MAKE_VSF_SOURCE(in_reg_index, \
+		VSF_IN_COMPONENT_##comp_x, \
+		VSF_IN_COMPONENT_##comp_y, \
+		VSF_IN_COMPONENT_##comp_z, \
+		VSF_IN_COMPONENT_##comp_w, \
+		VSF_IN_CLASS_##class, VSF_FLAG_##negate)
+
+/* special sources: */
+
+/* (1.0,1.0,1.0,1.0) vector (ATTR, plain ) */
+#define VSF_ATTR_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, ATTR, NONE)  
+#define VSF_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, NONE, NONE)  
+
+/* contents of unmodified register */
+#define VSF_REG(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, ATTR, NONE)
+
+/* contents of unmodified parameter */
+#define VSF_PARAM(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, PARAM, NONE)
+
+/* contents of unmodified temporary register */
+#define VSF_TMP(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, TMP, NONE)
+
+/* components of ATTR register */
+#define VSF_ATTR_X(reg) EASY_VSF_SOURCE(reg, X, X, X, X, ATTR, NONE)
+#define VSF_ATTR_Y(reg) EASY_VSF_SOURCE(reg, Y, Y, Y, Y, ATTR, NONE)
+#define VSF_ATTR_Z(reg) EASY_VSF_SOURCE(reg, Z, Z, Z, Z, ATTR, NONE)
+#define VSF_ATTR_W(reg) EASY_VSF_SOURCE(reg, W, W, W, W, ATTR, NONE)
+
+#endif