summaryrefslogtreecommitdiffstats
path: root/src/mesa/pipe/i915simple/i915_fpc.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_fpc.h')
-rw-r--r--src/mesa/pipe/i915simple/i915_fpc.h339
1 files changed, 339 insertions, 0 deletions
diff --git a/src/mesa/pipe/i915simple/i915_fpc.h b/src/mesa/pipe/i915simple/i915_fpc.h
new file mode 100644
index 00000000000..0a8bffcd9ae
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_fpc.h
@@ -0,0 +1,339 @@
+/**************************************************************************
+ *
+ * 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_FPC_H
+#define I915_FPC_H
+
+#include "pipe/p_util.h"
+
+#include "i915_context.h"
+#include "i915_reg.h"
+
+
+
+#define I915_PROGRAM_SIZE 192
+#define I915_MAX_CONSTANT 32
+
+#define MAX_VARYING 8
+
+enum
+{
+ FRAG_ATTRIB_WPOS = 0,
+ FRAG_ATTRIB_COL0 = 1,
+ FRAG_ATTRIB_COL1 = 2,
+ FRAG_ATTRIB_FOGC = 3,
+ FRAG_ATTRIB_TEX0 = 4,
+ FRAG_ATTRIB_TEX1 = 5,
+ FRAG_ATTRIB_TEX2 = 6,
+ FRAG_ATTRIB_TEX3 = 7,
+ FRAG_ATTRIB_TEX4 = 8,
+ FRAG_ATTRIB_TEX5 = 9,
+ FRAG_ATTRIB_TEX6 = 10,
+ FRAG_ATTRIB_TEX7 = 11,
+ FRAG_ATTRIB_VAR0 = 12, /**< shader varying */
+ FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING)
+};
+
+/**
+ * Bitflags for fragment program input attributes.
+ */
+/*@{*/
+#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
+#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
+#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
+#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
+#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
+#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
+#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
+#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
+#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
+#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
+#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
+#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
+#define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
+
+#define MAX_DRAW_BUFFERS 4
+
+enum
+{
+ FRAG_RESULT_COLR = 0,
+ FRAG_RESULT_COLH = 1,
+ FRAG_RESULT_DEPR = 2,
+ FRAG_RESULT_DATA0 = 3,
+ FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
+};
+
+
+
+#if 1 /*XXX temp */
+/* Hardware version of a parsed fragment program. "Derived" from the
+ * mesa fragment_program struct.
+ */
+struct i915_fragment_program
+{
+#if 0
+ struct gl_fragment_program Base;
+#else
+ uint NumNativeInstructions;
+ uint NumNativeAluInstructions;
+ uint NumNativeTexInstructions;
+ uint NumNativeTexIndirections;
+#endif
+
+ boolean error; /**< Set if i915_program_error() is called */
+#if 0
+ uint id; /**< String id */
+ boolean translated;
+#endif
+
+ /* Decls + instructions:
+ */
+ uint program[I915_PROGRAM_SIZE];
+ uint program_size;
+
+#if 0
+ /* Constant buffer:
+ */
+ float constant[I915_MAX_CONSTANT][4];
+ uint nr_constants;
+#endif
+
+ /* Some of which are parameters:
+ */
+ struct
+ {
+ uint reg; /* Hardware constant idx */
+ const float *values; /* Pointer to tracked values */
+ } param[I915_MAX_CONSTANT];
+ uint nr_params;
+
+#if 0
+ uint param_state;
+#endif
+ uint wpos_tex;
+};
+#endif
+
+
+/***********************************************************************
+ * Public interface for the compiler
+ */
+
+void i915_compile_fragment_program( struct i915_context *i915,
+ struct i915_fragment_program *fp );
+
+
+/***********************************************************************
+ * Private details of the compiler
+ */
+
+struct i915_fp_compile {
+ struct i915_fragment_program *fp;
+
+ struct pipe_shader_state *shader;
+
+ uint declarations[I915_PROGRAM_SIZE];
+ uint program[I915_PROGRAM_SIZE];
+
+ uint constant_flags[I915_MAX_CONSTANT];
+
+ struct pipe_constant_buffer *constants;
+
+ uint *csr; /* Cursor, points into program.
+ */
+
+ uint *decl; /* Cursor, points into declarations.
+ */
+
+ uint decl_s; /* flags for which s regs need to be decl'd */
+ uint decl_t; /* flags for which t regs need to be decl'd */
+
+ uint temp_flag; /* Tracks temporary regs which are in
+ * use.
+ */
+
+ uint utemp_flag; /* Tracks TYPE_U temporary regs which are in
+ * use.
+ */
+
+ uint nr_tex_indirect;
+ uint nr_tex_insn;
+ uint nr_alu_insn;
+ uint nr_decl_insn;
+
+#if 0
+ float (*env_param)[4];
+#endif
+};
+
+
+/* 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)
+{
+ assert(x < 4);
+ assert(y < 4);
+ assert(z < 4);
+ assert(w < 4);
+ 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 uint i915_get_temp(struct i915_fp_compile *p);
+extern uint i915_get_utemp(struct i915_fp_compile *p);
+extern void i915_release_utemps(struct i915_fp_compile *p);
+
+
+extern uint i915_emit_texld(struct i915_fp_compile *p,
+ uint dest,
+ uint destmask,
+ uint sampler, uint coord, uint op);
+
+extern uint i915_emit_arith(struct i915_fp_compile *p,
+ uint op,
+ uint dest,
+ uint mask,
+ uint saturate,
+ uint src0, uint src1, uint src2);
+
+extern uint i915_emit_decl(struct i915_fp_compile *p,
+ uint type, uint nr, uint d0_flags);
+
+
+extern uint i915_emit_const1f(struct i915_fp_compile *p, float c0);
+
+extern uint i915_emit_const2f(struct i915_fp_compile *p,
+ float c0, float c1);
+
+extern uint i915_emit_const4fv(struct i915_fp_compile *p,
+ const float * c);
+
+extern uint i915_emit_const4f(struct i915_fp_compile *p,
+ float c0, float c1,
+ float c2, float c3);
+
+
+#if 0
+extern uint i915_emit_param4fv(struct i915_fp_compile *p,
+ const float * values);
+#endif
+
+
+
+/*======================================================================
+ * i915_fpc_debug.c
+ */
+extern void i915_program_error(struct i915_fp_compile *p,
+ const char *msg);
+
+
+/*======================================================================
+ * i915_fpc_debug.c
+ */
+extern void i915_disassemble_program(const uint * program, uint sz);
+
+#if 0
+extern void i915_print_mesa_instructions( const struct prog_instruction *insn,
+ uint nr );
+#endif
+
+/*======================================================================
+ * i915_fpc_translate.c
+ */
+void i915_fixup_depth_write(struct i915_fp_compile *p);
+
+extern void
+i915_translate_program(struct i915_fp_compile *p, const struct tgsi_token *token);
+
+
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 18:07:08 +0000