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Diffstat (limited to 'src/mesa/drivers/dri/i915tex/i915_program.h')
-rw-r--r--src/mesa/drivers/dri/i915tex/i915_program.h160
1 files changed, 160 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_program.h b/src/mesa/drivers/dri/i915tex/i915_program.h
new file mode 100644
index 0000000000..3c12b34f16
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/i915_program.h
@@ -0,0 +1,160 @@
+/**************************************************************************
+ *
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 I915_PROGRAM_H
+#define I915_PROGRAM_H
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+
+
+/* Having zero and one in here makes the definition of swizzle a lot
+ * easier.
+ */
+#define UREG_TYPE_SHIFT 29
+#define UREG_NR_SHIFT 24
+#define UREG_CHANNEL_X_NEGATE_SHIFT 23
+#define UREG_CHANNEL_X_SHIFT 20
+#define UREG_CHANNEL_Y_NEGATE_SHIFT 19
+#define UREG_CHANNEL_Y_SHIFT 16
+#define UREG_CHANNEL_Z_NEGATE_SHIFT 15
+#define UREG_CHANNEL_Z_SHIFT 12
+#define UREG_CHANNEL_W_NEGATE_SHIFT 11
+#define UREG_CHANNEL_W_SHIFT 8
+#define UREG_CHANNEL_ZERO_NEGATE_MBZ 5
+#define UREG_CHANNEL_ZERO_SHIFT 4
+#define UREG_CHANNEL_ONE_NEGATE_MBZ 1
+#define UREG_CHANNEL_ONE_SHIFT 0
+
+#define UREG_BAD 0xffffffff /* not a valid ureg */
+
+#define X SRC_X
+#define Y SRC_Y
+#define Z SRC_Z
+#define W SRC_W
+#define ZERO SRC_ZERO
+#define ONE SRC_ONE
+
+/* Construct a ureg:
+ */
+#define UREG( type, nr ) (((type)<< UREG_TYPE_SHIFT) | \
+ ((nr) << UREG_NR_SHIFT) | \
+ (X << UREG_CHANNEL_X_SHIFT) | \
+ (Y << UREG_CHANNEL_Y_SHIFT) | \
+ (Z << UREG_CHANNEL_Z_SHIFT) | \
+ (W << UREG_CHANNEL_W_SHIFT) | \
+ (ZERO << UREG_CHANNEL_ZERO_SHIFT) | \
+ (ONE << UREG_CHANNEL_ONE_SHIFT))
+
+#define GET_CHANNEL_SRC( reg, channel ) ((reg<<(channel*4)) & (0xf<<20))
+#define CHANNEL_SRC( src, channel ) (src>>(channel*4))
+
+#define GET_UREG_TYPE(reg) (((reg)>>UREG_TYPE_SHIFT)&REG_TYPE_MASK)
+#define GET_UREG_NR(reg) (((reg)>>UREG_NR_SHIFT)&REG_NR_MASK)
+
+
+
+#define UREG_XYZW_CHANNEL_MASK 0x00ffff00
+
+/* One neat thing about the UREG representation:
+ */
+static INLINE int
+swizzle(int reg, int x, int y, int z, int w)
+{
+ return ((reg & ~UREG_XYZW_CHANNEL_MASK) |
+ CHANNEL_SRC(GET_CHANNEL_SRC(reg, x), 0) |
+ CHANNEL_SRC(GET_CHANNEL_SRC(reg, y), 1) |
+ CHANNEL_SRC(GET_CHANNEL_SRC(reg, z), 2) |
+ CHANNEL_SRC(GET_CHANNEL_SRC(reg, w), 3));
+}
+
+/* Another neat thing about the UREG representation:
+ */
+static INLINE int
+negate(int reg, int x, int y, int z, int w)
+{
+ return reg ^ (((x & 1) << UREG_CHANNEL_X_NEGATE_SHIFT) |
+ ((y & 1) << UREG_CHANNEL_Y_NEGATE_SHIFT) |
+ ((z & 1) << UREG_CHANNEL_Z_NEGATE_SHIFT) |
+ ((w & 1) << UREG_CHANNEL_W_NEGATE_SHIFT));
+}
+
+
+extern GLuint i915_get_temp(struct i915_fragment_program *p);
+extern GLuint i915_get_utemp(struct i915_fragment_program *p);
+extern void i915_release_utemps(struct i915_fragment_program *p);
+
+
+extern GLuint i915_emit_texld(struct i915_fragment_program *p,
+ GLuint dest,
+ GLuint destmask,
+ GLuint sampler, GLuint coord, GLuint op);
+
+extern GLuint i915_emit_arith(struct i915_fragment_program *p,
+ GLuint op,
+ GLuint dest,
+ GLuint mask,
+ GLuint saturate,
+ GLuint src0, GLuint src1, GLuint src2);
+
+extern GLuint i915_emit_decl(struct i915_fragment_program *p,
+ GLuint type, GLuint nr, GLuint d0_flags);
+
+
+extern GLuint i915_emit_const1f(struct i915_fragment_program *p, GLfloat c0);
+
+extern GLuint i915_emit_const2f(struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1);
+
+extern GLuint i915_emit_const4fv(struct i915_fragment_program *p,
+ const GLfloat * c);
+
+extern GLuint i915_emit_const4f(struct i915_fragment_program *p,
+ GLfloat c0, GLfloat c1,
+ GLfloat c2, GLfloat c3);
+
+
+extern GLuint i915_emit_param4fv(struct i915_fragment_program *p,
+ const GLfloat * values);
+
+extern void i915_program_error(struct i915_fragment_program *p,
+ const char *msg);
+
+extern void i915_init_program(struct i915_context *i915,
+ struct i915_fragment_program *p);
+
+extern void i915_upload_program(struct i915_context *i915,
+ struct i915_fragment_program *p);
+
+extern void i915_fini_program(struct i915_fragment_program *p);
+
+
+
+
+#endif