+++ /dev/null
-/*
- 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 "util/u_math.h"
-#include "util/u_memory.h"
-
-#include "brw_context.h"
-#include "brw_state.h"
-#include "brw_defines.h"
-#include "brw_util.h"
-
-
-static int brw_translate_compare_func(int func)
-{
- switch(func) {
- case PIPE_FUNC_NEVER:
- return BRW_COMPAREFUNCTION_NEVER;
- case PIPE_FUNC_LESS:
- return BRW_COMPAREFUNCTION_LESS;
- case PIPE_FUNC_LEQUAL:
- return BRW_COMPAREFUNCTION_LEQUAL;
- case PIPE_FUNC_GREATER:
- return BRW_COMPAREFUNCTION_GREATER;
- case PIPE_FUNC_GEQUAL:
- return BRW_COMPAREFUNCTION_GEQUAL;
- case PIPE_FUNC_NOTEQUAL:
- return BRW_COMPAREFUNCTION_NOTEQUAL;
- case PIPE_FUNC_EQUAL:
- return BRW_COMPAREFUNCTION_EQUAL;
- case PIPE_FUNC_ALWAYS:
- return BRW_COMPAREFUNCTION_ALWAYS;
- }
-
- debug_printf("Unknown value in %s: %x\n", __FUNCTION__, func);
- return BRW_COMPAREFUNCTION_ALWAYS;
-}
-
-static int brw_translate_stencil_op(int op)
-{
- switch(op) {
- case PIPE_STENCIL_OP_KEEP:
- return BRW_STENCILOP_KEEP;
- case PIPE_STENCIL_OP_ZERO:
- return BRW_STENCILOP_ZERO;
- case PIPE_STENCIL_OP_REPLACE:
- return BRW_STENCILOP_REPLACE;
- case PIPE_STENCIL_OP_INCR:
- return BRW_STENCILOP_INCRSAT;
- case PIPE_STENCIL_OP_DECR:
- return BRW_STENCILOP_DECRSAT;
- case PIPE_STENCIL_OP_INCR_WRAP:
- return BRW_STENCILOP_INCR;
- case PIPE_STENCIL_OP_DECR_WRAP:
- return BRW_STENCILOP_DECR;
- case PIPE_STENCIL_OP_INVERT:
- return BRW_STENCILOP_INVERT;
- default:
- return BRW_STENCILOP_ZERO;
- }
-}
-
-
-static int brw_translate_logic_op(int opcode)
-{
- switch(opcode) {
- case PIPE_LOGICOP_CLEAR:
- return BRW_LOGICOPFUNCTION_CLEAR;
- case PIPE_LOGICOP_AND:
- return BRW_LOGICOPFUNCTION_AND;
- case PIPE_LOGICOP_AND_REVERSE:
- return BRW_LOGICOPFUNCTION_AND_REVERSE;
- case PIPE_LOGICOP_COPY:
- return BRW_LOGICOPFUNCTION_COPY;
- case PIPE_LOGICOP_COPY_INVERTED:
- return BRW_LOGICOPFUNCTION_COPY_INVERTED;
- case PIPE_LOGICOP_AND_INVERTED:
- return BRW_LOGICOPFUNCTION_AND_INVERTED;
- case PIPE_LOGICOP_NOOP:
- return BRW_LOGICOPFUNCTION_NOOP;
- case PIPE_LOGICOP_XOR:
- return BRW_LOGICOPFUNCTION_XOR;
- case PIPE_LOGICOP_OR:
- return BRW_LOGICOPFUNCTION_OR;
- case PIPE_LOGICOP_OR_INVERTED:
- return BRW_LOGICOPFUNCTION_OR_INVERTED;
- case PIPE_LOGICOP_NOR:
- return BRW_LOGICOPFUNCTION_NOR;
- case PIPE_LOGICOP_EQUIV:
- return BRW_LOGICOPFUNCTION_EQUIV;
- case PIPE_LOGICOP_INVERT:
- return BRW_LOGICOPFUNCTION_INVERT;
- case PIPE_LOGICOP_OR_REVERSE:
- return BRW_LOGICOPFUNCTION_OR_REVERSE;
- case PIPE_LOGICOP_NAND:
- return BRW_LOGICOPFUNCTION_NAND;
- case PIPE_LOGICOP_SET:
- return BRW_LOGICOPFUNCTION_SET;
- default:
- return BRW_LOGICOPFUNCTION_SET;
- }
-}
-
-
-static void upload_cc_vp( struct brw_context *brw )
-{
- struct brw_cc_viewport ccv;
-
- memset(&ccv, 0, sizeof(ccv));
-
- ccv.min_depth = 0.0;
- ccv.max_depth = 1.0;
-
- brw->cc.vp_gs_offset = brw_cache_data( &brw->cache[BRW_CC_VP], &ccv );
-}
-
-const struct brw_tracked_state brw_cc_vp = {
- .dirty = {
- .brw = BRW_NEW_SCENE,
- .cache = 0
- },
- .update = upload_cc_vp
-};
-
-
-static void upload_cc_unit( struct brw_context *brw )
-{
- struct brw_cc_unit_state cc;
-
- memset(&cc, 0, sizeof(cc));
-
- /* BRW_NEW_DEPTH_STENCIL */
- if (brw->attribs.DepthStencil->stencil[0].enabled) {
- cc.cc0.stencil_enable = brw->attribs.DepthStencil->stencil[0].enabled;
- cc.cc0.stencil_func = brw_translate_compare_func(brw->attribs.DepthStencil->stencil[0].func);
- cc.cc0.stencil_fail_op = brw_translate_stencil_op(brw->attribs.DepthStencil->stencil[0].fail_op);
- cc.cc0.stencil_pass_depth_fail_op = brw_translate_stencil_op(
- brw->attribs.DepthStencil->stencil[0].zfail_op);
- cc.cc0.stencil_pass_depth_pass_op = brw_translate_stencil_op(
- brw->attribs.DepthStencil->stencil[0].zpass_op);
- cc.cc1.stencil_ref = brw->attribs.DepthStencil->stencil[0].ref_value;
- cc.cc1.stencil_write_mask = brw->attribs.DepthStencil->stencil[0].writemask;
- cc.cc1.stencil_test_mask = brw->attribs.DepthStencil->stencil[0].valuemask;
-
- if (brw->attribs.DepthStencil->stencil[1].enabled) {
- cc.cc0.bf_stencil_enable = brw->attribs.DepthStencil->stencil[1].enabled;
- cc.cc0.bf_stencil_func = brw_translate_compare_func(
- brw->attribs.DepthStencil->stencil[1].func);
- cc.cc0.bf_stencil_fail_op = brw_translate_stencil_op(
- brw->attribs.DepthStencil->stencil[1].fail_op);
- cc.cc0.bf_stencil_pass_depth_fail_op = brw_translate_stencil_op(
- brw->attribs.DepthStencil->stencil[1].zfail_op);
- cc.cc0.bf_stencil_pass_depth_pass_op = brw_translate_stencil_op(
- brw->attribs.DepthStencil->stencil[1].zpass_op);
- cc.cc1.bf_stencil_ref = brw->attribs.DepthStencil->stencil[1].ref_value;
- cc.cc2.bf_stencil_write_mask = brw->attribs.DepthStencil->stencil[1].writemask;
- cc.cc2.bf_stencil_test_mask = brw->attribs.DepthStencil->stencil[1].valuemask;
- }
-
- /* Not really sure about this:
- */
- if (brw->attribs.DepthStencil->stencil[0].writemask ||
- brw->attribs.DepthStencil->stencil[1].writemask)
- cc.cc0.stencil_write_enable = 1;
- }
-
- /* BRW_NEW_BLEND */
- if (brw->attribs.Blend->logicop_enable) {
- cc.cc2.logicop_enable = 1;
- cc.cc5.logicop_func = brw_translate_logic_op( brw->attribs.Blend->logicop_func );
- }
- else if (brw->attribs.Blend->blend_enable) {
- int eqRGB = brw->attribs.Blend->rgb_func;
- int eqA = brw->attribs.Blend->alpha_func;
- int srcRGB = brw->attribs.Blend->rgb_src_factor;
- int dstRGB = brw->attribs.Blend->rgb_dst_factor;
- int srcA = brw->attribs.Blend->alpha_src_factor;
- int dstA = brw->attribs.Blend->alpha_dst_factor;
-
- if (eqRGB == PIPE_BLEND_MIN || eqRGB == PIPE_BLEND_MAX) {
- srcRGB = dstRGB = PIPE_BLENDFACTOR_ONE;
- }
-
- if (eqA == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MAX) {
- srcA = dstA = PIPE_BLENDFACTOR_ONE;
- }
-
- cc.cc6.dest_blend_factor = brw_translate_blend_factor(dstRGB);
- cc.cc6.src_blend_factor = brw_translate_blend_factor(srcRGB);
- cc.cc6.blend_function = brw_translate_blend_equation( eqRGB );
-
- cc.cc5.ia_dest_blend_factor = brw_translate_blend_factor(dstA);
- cc.cc5.ia_src_blend_factor = brw_translate_blend_factor(srcA);
- cc.cc5.ia_blend_function = brw_translate_blend_equation( eqA );
-
- cc.cc3.blend_enable = 1;
- cc.cc3.ia_blend_enable = (srcA != srcRGB ||
- dstA != dstRGB ||
- eqA != eqRGB);
- }
-
- /* BRW_NEW_ALPHATEST
- */
- if (brw->attribs.DepthStencil->alpha.enabled) {
- cc.cc3.alpha_test = 1;
- cc.cc3.alpha_test_func =
- brw_translate_compare_func(brw->attribs.DepthStencil->alpha.func);
-
- cc.cc7.alpha_ref.ub[0] = float_to_ubyte(brw->attribs.DepthStencil->alpha.ref_value);
-
- cc.cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8;
- }
-
- if (brw->attribs.Blend->dither) {
- cc.cc5.dither_enable = 1;
- cc.cc6.y_dither_offset = 0;
- cc.cc6.x_dither_offset = 0;
- }
-
- if (brw->attribs.DepthStencil->depth.enabled) {
- cc.cc2.depth_test = brw->attribs.DepthStencil->depth.enabled;
- cc.cc2.depth_test_function = brw_translate_compare_func(brw->attribs.DepthStencil->depth.func);
- cc.cc2.depth_write_enable = brw->attribs.DepthStencil->depth.writemask;
- }
-
- /* CACHE_NEW_CC_VP */
- cc.cc4.cc_viewport_state_offset = brw->cc.vp_gs_offset >> 5;
-
- if (BRW_DEBUG & DEBUG_STATS)
- cc.cc5.statistics_enable = 1;
-
- brw->cc.state_gs_offset = brw_cache_data( &brw->cache[BRW_CC_UNIT], &cc );
-}
-
-const struct brw_tracked_state brw_cc_unit = {
- .dirty = {
- .brw = BRW_NEW_DEPTH_STENCIL | BRW_NEW_BLEND | BRW_NEW_ALPHA_TEST,
- .cache = CACHE_NEW_CC_VP
- },
- .update = upload_cc_unit
-};
-
projects / mesa.git / blobdiff