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Diffstat (limited to 'src/gallium/drivers/i965simple/brw_clip_util.c')
-rw-r--r--src/gallium/drivers/i965simple/brw_clip_util.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/src/gallium/drivers/i965simple/brw_clip_util.c b/src/gallium/drivers/i965simple/brw_clip_util.c
deleted file mode 100644
index 6d58ceafff..0000000000
--- a/src/gallium/drivers/i965simple/brw_clip_util.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- 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 <keith@tungstengraphics.com>
- */
-
-
-#include "brw_defines.h"
-#include "brw_context.h"
-#include "brw_eu.h"
-#include "brw_util.h"
-#include "brw_clip.h"
-
-
-
-
-
-static struct brw_reg get_tmp( struct brw_clip_compile *c )
-{
- struct brw_reg tmp = brw_vec4_grf(c->last_tmp, 0);
-
- if (++c->last_tmp > c->prog_data.total_grf)
- c->prog_data.total_grf = c->last_tmp;
-
- return tmp;
-}
-
-static void release_tmp( struct brw_clip_compile *c, struct brw_reg tmp )
-{
- if (tmp.nr == c->last_tmp-1)
- c->last_tmp--;
-}
-
-
-static struct brw_reg make_plane_ud(unsigned x, unsigned y, unsigned z, unsigned w)
-{
- return brw_imm_ud((w<<24) | (z<<16) | (y<<8) | x);
-}
-
-
-void brw_clip_init_planes( struct brw_clip_compile *c )
-{
- struct brw_compile *p = &c->func;
-
- if (!c->key.nr_userclip) {
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 0), make_plane_ud( 0, 0, 0xff, 1));
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 1), make_plane_ud( 0, 0, 1, 1));
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 2), make_plane_ud( 0, 0xff, 0, 1));
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 3), make_plane_ud( 0, 1, 0, 1));
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 4), make_plane_ud(0xff, 0, 0, 1));
- brw_MOV(p, get_element_ud(c->reg.fixed_planes, 5), make_plane_ud( 1, 0, 0, 1));
- }
-}
-
-
-
-#define W 3
-
-/* Project 'pos' to screen space (or back again), overwrite with results:
- */
-static void brw_clip_project_position(struct brw_clip_compile *c, struct brw_reg pos )
-{
- struct brw_compile *p = &c->func;
-
- /* calc rhw
- */
- brw_math_invert(p, get_element(pos, W), get_element(pos, W));
-
- /* value.xyz *= value.rhw
- */
- brw_set_access_mode(p, BRW_ALIGN_16);
- brw_MUL(p, brw_writemask(pos, TGSI_WRITEMASK_XYZ), pos, brw_swizzle1(pos, W));
- brw_set_access_mode(p, BRW_ALIGN_1);
-}
-
-
-static void brw_clip_project_vertex( struct brw_clip_compile *c,
- struct brw_indirect vert_addr )
-{
-#if 0
- struct brw_compile *p = &c->func;
- struct brw_reg tmp = get_tmp(c);
-
- /* Fixup position. Extract from the original vertex and re-project
- * to screen space:
- */
- brw_MOV(p, tmp, deref_4f(vert_addr, c->offset[VERT_RESULT_HPOS]));
- brw_clip_project_position(c, tmp);
- brw_MOV(p, deref_4f(vert_addr, c->header_position_offset), tmp);
-
- release_tmp(c, tmp);
-#else
- #warning "disabled"
-#endif
-}
-
-
-
-
-/* Interpolate between two vertices and put the result into a0.0.
- * Increment a0.0 accordingly.
- */
-void brw_clip_interp_vertex( struct brw_clip_compile *c,
- struct brw_indirect dest_ptr,
- struct brw_indirect v0_ptr, /* from */
- struct brw_indirect v1_ptr, /* to */
- struct brw_reg t0,
- boolean force_edgeflag)
-{
-#if 0
- struct brw_compile *p = &c->func;
- struct brw_reg tmp = get_tmp(c);
- unsigned i;
-
- /* Just copy the vertex header:
- */
- brw_copy_indirect_to_indirect(p, dest_ptr, v0_ptr, 1);
-
- /* Iterate over each attribute (could be done in pairs?)
- */
- for (i = 0; i < c->nr_attrs; i++) {
- unsigned delta = i*16 + 32;
-
- if (delta == c->offset[VERT_RESULT_EDGE]) {
- if (force_edgeflag)
- brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(1));
- else
- brw_MOV(p, deref_4f(dest_ptr, delta), deref_4f(v0_ptr, delta));
- }
- else {
- /* Interpolate:
- *
- * New = attr0 + t*attr1 - t*attr0
- */
- brw_MUL(p,
- vec4(brw_null_reg()),
- deref_4f(v1_ptr, delta),
- t0);
-
- brw_MAC(p,
- tmp,
- negate(deref_4f(v0_ptr, delta)),
- t0);
-
- brw_ADD(p,
- deref_4f(dest_ptr, delta),
- deref_4f(v0_ptr, delta),
- tmp);
- }
- }
-
- if (i & 1) {
- unsigned delta = i*16 + 32;
- brw_MOV(p, deref_4f(dest_ptr, delta), brw_imm_f(0));
- }
-
- release_tmp(c, tmp);
-
- /* Recreate the projected (NDC) coordinate in the new vertex
- * header:
- */
- brw_clip_project_vertex(c, dest_ptr );
-#else
- #warning "disabled"
-#endif
-}
-
-
-
-
-#define MAX_MRF 16
-
-void brw_clip_emit_vue(struct brw_clip_compile *c,
- struct brw_indirect vert,
- boolean allocate,
- boolean eot,
- unsigned header)
-{
- struct brw_compile *p = &c->func;
- unsigned start = c->last_mrf;
-
- assert(!(allocate && eot));
-
- /* Cycle through mrf regs - probably futile as we have to wait for
- * the allocation response anyway. Also, the order this function
- * is invoked doesn't correspond to the order the instructions will
- * be executed, so it won't have any effect in many cases.
- */
-#if 0
- if (start + c->nr_regs + 1 >= MAX_MRF)
- start = 0;
-
- c->last_mrf = start + c->nr_regs + 1;
-#endif
-
- /* Copy the vertex from vertn into m1..mN+1:
- */
- brw_copy_from_indirect(p, brw_message_reg(start+1), vert, c->nr_regs);
-
- /* Overwrite PrimType and PrimStart in the message header, for
- * each vertex in turn:
- */
- brw_MOV(p, get_element_ud(c->reg.R0, 2), brw_imm_ud(header));
-
-
- /* Send each vertex as a seperate write to the urb. This
- * is different to the concept in brw_sf_emit.c, where
- * subsequent writes are used to build up a single urb
- * entry. Each of these writes instantiates a seperate
- * urb entry - (I think... what about 'allocate'?)
- */
- brw_urb_WRITE(p,
- allocate ? c->reg.R0 : retype(brw_null_reg(), BRW_REGISTER_TYPE_UD),
- start,
- c->reg.R0,
- allocate,
- 1, /* used */
- c->nr_regs + 1, /* msg length */
- allocate ? 1 : 0, /* response_length */
- eot, /* eot */
- 1, /* writes_complete */
- 0, /* urb offset */
- BRW_URB_SWIZZLE_NONE);
-}
-
-
-
-void brw_clip_kill_thread(struct brw_clip_compile *c)
-{
- struct brw_compile *p = &c->func;
-
- /* Send an empty message to kill the thread and release any
- * allocated urb entry:
- */
- brw_urb_WRITE(p,
- retype(brw_null_reg(), BRW_REGISTER_TYPE_UD),
- 0,
- c->reg.R0,
- 0, /* allocate */
- 0, /* used */
- 0, /* msg len */
- 0, /* response len */
- 1, /* eot */
- 1, /* writes complete */
- 0,
- BRW_URB_SWIZZLE_NONE);
-}
-
-
-
-
-struct brw_reg brw_clip_plane0_address( struct brw_clip_compile *c )
-{
- return brw_address(c->reg.fixed_planes);
-}
-
-
-struct brw_reg brw_clip_plane_stride( struct brw_clip_compile *c )
-{
- if (c->key.nr_userclip) {
- return brw_imm_uw(16);
- }
- else {
- return brw_imm_uw(4);
- }
-}
-
-
-/* If flatshading, distribute color from provoking vertex prior to
- * clipping.
- */
-void brw_clip_copy_colors( struct brw_clip_compile *c,
- unsigned to, unsigned from )
-{
-#if 0
- struct brw_compile *p = &c->func;
-
- if (c->offset[VERT_RESULT_COL0])
- brw_MOV(p,
- byte_offset(c->reg.vertex[to], c->offset[VERT_RESULT_COL0]),
- byte_offset(c->reg.vertex[from], c->offset[VERT_RESULT_COL0]));
-
- if (c->offset[VERT_RESULT_COL1])
- brw_MOV(p,
- byte_offset(c->reg.vertex[to], c->offset[VERT_RESULT_COL1]),
- byte_offset(c->reg.vertex[from], c->offset[VERT_RESULT_COL1]));
-
- if (c->offset[VERT_RESULT_BFC0])
- brw_MOV(p,
- byte_offset(c->reg.vertex[to], c->offset[VERT_RESULT_BFC0]),
- byte_offset(c->reg.vertex[from], c->offset[VERT_RESULT_BFC0]));
-
- if (c->offset[VERT_RESULT_BFC1])
- brw_MOV(p,
- byte_offset(c->reg.vertex[to], c->offset[VERT_RESULT_BFC1]),
- byte_offset(c->reg.vertex[from], c->offset[VERT_RESULT_BFC1]));
-#else
- #warning "disabled"
-#endif
-}
-
-
-
-void brw_clip_init_clipmask( struct brw_clip_compile *c )
-{
- struct brw_compile *p = &c->func;
- struct brw_reg incoming = get_element_ud(c->reg.R0, 2);
-
- /* Shift so that lowest outcode bit is rightmost:
- */
- brw_SHR(p, c->reg.planemask, incoming, brw_imm_ud(26));
-
- if (c->key.nr_userclip) {
- struct brw_reg tmp = retype(vec1(get_tmp(c)), BRW_REGISTER_TYPE_UD);
-
- /* Rearrange userclip outcodes so that they come directly after
- * the fixed plane bits.
- */
- brw_AND(p, tmp, incoming, brw_imm_ud(0x3f<<14));
- brw_SHR(p, tmp, tmp, brw_imm_ud(8));
- brw_OR(p, c->reg.planemask, c->reg.planemask, tmp);
-
- release_tmp(c, tmp);
- }
-}
-
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