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authorKeith Whitwell <[email protected]>2008-02-15 11:15:47 +0000
committerKeith Whitwell <[email protected]>2008-02-15 11:15:47 +0000
commit6ac2c1cc0cd1253ba2014d459010032127f185ec (patch)
tree6348de9de19e7394800a983c8c614566d22b870b /src/gallium/drivers/i965simple/brw_wm.h
parentc04a7f8929d674971a472ffa4d3a31200c22aa5a (diff)
parent6d3831b11d9f5aaba61cc2fb8ade61437ad7c335 (diff)
Merge commit 'origin/gallium-0.1' into gallium-0.1
Conflicts: src/gallium/drivers/softpipe/sp_quad_fs.c src/gallium/drivers/softpipe/sp_state.h src/gallium/drivers/softpipe/sp_state_fs.c
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_wm.h')
-rw-r--r--src/gallium/drivers/i965simple/brw_wm.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_wm.h b/src/gallium/drivers/i965simple/brw_wm.h
new file mode 100644
index 00000000000..a1ac0f504a6
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+++ b/src/gallium/drivers/i965simple/brw_wm.h
@@ -0,0 +1,142 @@
+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+
+ 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.
+
+ **********************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <[email protected]>
+ */
+
+
+#ifndef BRW_WM_H
+#define BRW_WM_H
+
+
+#include "brw_context.h"
+#include "brw_eu.h"
+
+/* A big lookup table is used to figure out which and how many
+ * additional regs will inserted before the main payload in the WM
+ * program execution. These mainly relate to depth and stencil
+ * processing and the early-depth-test optimization.
+ */
+#define IZ_PS_KILL_ALPHATEST_BIT 0x1
+#define IZ_PS_COMPUTES_DEPTH_BIT 0x2
+#define IZ_DEPTH_WRITE_ENABLE_BIT 0x4
+#define IZ_DEPTH_TEST_ENABLE_BIT 0x8
+#define IZ_STENCIL_WRITE_ENABLE_BIT 0x10
+#define IZ_STENCIL_TEST_ENABLE_BIT 0x20
+#define IZ_EARLY_DEPTH_TEST_BIT 0x40
+#define IZ_BIT_MAX 0x80
+
+#define AA_NEVER 0
+#define AA_SOMETIMES 1
+#define AA_ALWAYS 2
+
+struct brw_wm_prog_key {
+ unsigned source_depth_reg:3;
+ unsigned aa_dest_stencil_reg:3;
+ unsigned dest_depth_reg:3;
+ unsigned nr_depth_regs:3;
+ unsigned shadowtex_mask:8;
+ unsigned computes_depth:1; /* could be derived from program string */
+ unsigned source_depth_to_render_target:1;
+ unsigned runtime_check_aads_emit:1;
+
+ unsigned yuvtex_mask:8;
+
+ unsigned program_string_id;
+};
+
+
+
+
+
+#define PROGRAM_INTERNAL_PARAM
+#define MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS 1024 /* 72 for GL_ARB_f_p */
+#define BRW_WM_MAX_INSN (MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS*3 + PIPE_ATTRIB_MAX + 3)
+#define BRW_WM_MAX_GRF 128 /* hardware limit */
+#define BRW_WM_MAX_VREG (BRW_WM_MAX_INSN * 4)
+#define BRW_WM_MAX_REF (BRW_WM_MAX_INSN * 12)
+#define BRW_WM_MAX_PARAM 256
+#define BRW_WM_MAX_CONST 256
+#define BRW_WM_MAX_KILLS MAX_NV_FRAGMENT_PROGRAM_INSTRUCTIONS
+
+#define PAYLOAD_DEPTH (PIPE_ATTRIB_MAX)
+
+#define MAX_IFSN 32
+#define MAX_LOOP_DEPTH 32
+
+struct brw_wm_compile {
+ struct brw_compile func;
+ struct brw_wm_prog_key key;
+ struct brw_wm_prog_data prog_data; /* result */
+
+ struct brw_fragment_program *fp;
+
+ unsigned grf_limit;
+ unsigned max_wm_grf;
+
+
+ struct brw_reg pixel_xy[2];
+ struct brw_reg delta_xy[2];
+ struct brw_reg pixel_w;
+
+
+ struct brw_reg wm_regs[8][32][4];
+
+ struct brw_reg payload_depth[4];
+ struct brw_reg payload_coef[16];
+
+ struct brw_reg emit_mask_reg;
+
+ struct brw_instruction *if_inst[MAX_IFSN];
+ int if_insn;
+
+ struct brw_instruction *loop_inst[MAX_LOOP_DEPTH];
+ int loop_insn;
+
+ struct brw_instruction *inst0;
+ struct brw_instruction *inst1;
+
+ struct brw_reg stack;
+ struct brw_indirect stack_index;
+
+ unsigned reg_index;
+
+ unsigned tmp_start;
+ unsigned tmp_index;
+};
+
+
+
+void brw_wm_lookup_iz( unsigned line_aa,
+ unsigned lookup,
+ struct brw_wm_prog_key *key );
+
+void brw_wm_glsl_emit(struct brw_wm_compile *c);
+void brw_wm_emit_decls(struct brw_wm_compile *c);
+
+#endif