diff options
author | Keith Whitwell <keithw@vmware.com> | 2009-10-23 16:55:02 +0100 |
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committer | Keith Whitwell <keithw@vmware.com> | 2009-10-23 17:03:45 +0100 |
commit | 2f5f7c07732577f60666e3cee69c75c9b035c145 (patch) | |
tree | ff6639c9168bef0c2d389efdc6ce8eb3d6071ab2 /src/gallium/drivers/i965/brw_cc.c | |
parent | da253319f9e5d37d9c55b975ef9328545a3ac9b4 (diff) |
i965g: re-starting from the dri driver
Diffstat (limited to 'src/gallium/drivers/i965/brw_cc.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_cc.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_cc.c b/src/gallium/drivers/i965/brw_cc.c new file mode 100644 index 0000000000..1088a7a607 --- /dev/null +++ b/src/gallium/drivers/i965/brw_cc.c @@ -0,0 +1,297 @@ +/* + 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_context.h" +#include "brw_state.h" +#include "brw_defines.h" +#include "brw_util.h" +#include "main/macros.h" +#include "main/enums.h" + +static void prepare_cc_vp( struct brw_context *brw ) +{ + GLcontext *ctx = &brw->intel.ctx; + struct brw_cc_viewport ccv; + + memset(&ccv, 0, sizeof(ccv)); + + /* _NEW_VIEWPORT */ + ccv.min_depth = ctx->Viewport.Near; + ccv.max_depth = ctx->Viewport.Far; + + dri_bo_unreference(brw->cc.vp_bo); + brw->cc.vp_bo = brw_cache_data( &brw->cache, BRW_CC_VP, &ccv, NULL, 0 ); +} + +const struct brw_tracked_state brw_cc_vp = { + .dirty = { + .mesa = _NEW_VIEWPORT, + .brw = BRW_NEW_CONTEXT, + .cache = 0 + }, + .prepare = prepare_cc_vp +}; + +struct brw_cc_unit_key { + GLboolean stencil, stencil_two_side, color_blend, alpha_enabled; + + GLenum stencil_func[2], stencil_fail_op[2]; + GLenum stencil_pass_depth_fail_op[2], stencil_pass_depth_pass_op[2]; + GLubyte stencil_ref[2], stencil_write_mask[2], stencil_test_mask[2]; + GLenum logic_op; + + GLenum blend_eq_rgb, blend_eq_a; + GLenum blend_src_rgb, blend_src_a; + GLenum blend_dst_rgb, blend_dst_a; + + GLenum alpha_func; + GLclampf alpha_ref; + + GLboolean dither; + + GLboolean depth_test, depth_write; + GLenum depth_func; +}; + +static void +cc_unit_populate_key(struct brw_context *brw, struct brw_cc_unit_key *key) +{ + GLcontext *ctx = &brw->intel.ctx; + const unsigned back = ctx->Stencil._BackFace; + + memset(key, 0, sizeof(*key)); + + key->stencil = ctx->Stencil._Enabled; + key->stencil_two_side = ctx->Stencil._TestTwoSide; + + if (key->stencil) { + key->stencil_func[0] = ctx->Stencil.Function[0]; + key->stencil_fail_op[0] = ctx->Stencil.FailFunc[0]; + key->stencil_pass_depth_fail_op[0] = ctx->Stencil.ZFailFunc[0]; + key->stencil_pass_depth_pass_op[0] = ctx->Stencil.ZPassFunc[0]; + key->stencil_ref[0] = ctx->Stencil.Ref[0]; + key->stencil_write_mask[0] = ctx->Stencil.WriteMask[0]; + key->stencil_test_mask[0] = ctx->Stencil.ValueMask[0]; + } + if (key->stencil_two_side) { + key->stencil_func[1] = ctx->Stencil.Function[back]; + key->stencil_fail_op[1] = ctx->Stencil.FailFunc[back]; + key->stencil_pass_depth_fail_op[1] = ctx->Stencil.ZFailFunc[back]; + key->stencil_pass_depth_pass_op[1] = ctx->Stencil.ZPassFunc[back]; + key->stencil_ref[1] = ctx->Stencil.Ref[back]; + key->stencil_write_mask[1] = ctx->Stencil.WriteMask[back]; + key->stencil_test_mask[1] = ctx->Stencil.ValueMask[back]; + } + + if (ctx->Color._LogicOpEnabled) + key->logic_op = ctx->Color.LogicOp; + else + key->logic_op = GL_COPY; + + key->color_blend = ctx->Color.BlendEnabled; + if (key->color_blend) { + key->blend_eq_rgb = ctx->Color.BlendEquationRGB; + key->blend_eq_a = ctx->Color.BlendEquationA; + key->blend_src_rgb = ctx->Color.BlendSrcRGB; + key->blend_dst_rgb = ctx->Color.BlendDstRGB; + key->blend_src_a = ctx->Color.BlendSrcA; + key->blend_dst_a = ctx->Color.BlendDstA; + } + + key->alpha_enabled = ctx->Color.AlphaEnabled; + if (key->alpha_enabled) { + key->alpha_func = ctx->Color.AlphaFunc; + key->alpha_ref = ctx->Color.AlphaRef; + } + + key->dither = ctx->Color.DitherFlag; + + key->depth_test = ctx->Depth.Test; + if (key->depth_test) { + key->depth_func = ctx->Depth.Func; + key->depth_write = ctx->Depth.Mask; + } +} + +/** + * Creates the state cache entry for the given CC unit key. + */ +static dri_bo * +cc_unit_create_from_key(struct brw_context *brw, struct brw_cc_unit_key *key) +{ + struct brw_cc_unit_state cc; + dri_bo *bo; + + memset(&cc, 0, sizeof(cc)); + + /* _NEW_STENCIL */ + if (key->stencil) { + cc.cc0.stencil_enable = 1; + cc.cc0.stencil_func = + intel_translate_compare_func(key->stencil_func[0]); + cc.cc0.stencil_fail_op = + intel_translate_stencil_op(key->stencil_fail_op[0]); + cc.cc0.stencil_pass_depth_fail_op = + intel_translate_stencil_op(key->stencil_pass_depth_fail_op[0]); + cc.cc0.stencil_pass_depth_pass_op = + intel_translate_stencil_op(key->stencil_pass_depth_pass_op[0]); + cc.cc1.stencil_ref = key->stencil_ref[0]; + cc.cc1.stencil_write_mask = key->stencil_write_mask[0]; + cc.cc1.stencil_test_mask = key->stencil_test_mask[0]; + + if (key->stencil_two_side) { + cc.cc0.bf_stencil_enable = 1; + cc.cc0.bf_stencil_func = + intel_translate_compare_func(key->stencil_func[1]); + cc.cc0.bf_stencil_fail_op = + intel_translate_stencil_op(key->stencil_fail_op[1]); + cc.cc0.bf_stencil_pass_depth_fail_op = + intel_translate_stencil_op(key->stencil_pass_depth_fail_op[1]); + cc.cc0.bf_stencil_pass_depth_pass_op = + intel_translate_stencil_op(key->stencil_pass_depth_pass_op[1]); + cc.cc1.bf_stencil_ref = key->stencil_ref[1]; + cc.cc2.bf_stencil_write_mask = key->stencil_write_mask[1]; + cc.cc2.bf_stencil_test_mask = key->stencil_test_mask[1]; + } + + /* Not really sure about this: + */ + if (key->stencil_write_mask[0] || + (key->stencil_two_side && key->stencil_write_mask[1])) + cc.cc0.stencil_write_enable = 1; + } + + /* _NEW_COLOR */ + if (key->logic_op != GL_COPY) { + cc.cc2.logicop_enable = 1; + cc.cc5.logicop_func = intel_translate_logic_op(key->logic_op); + } else if (key->color_blend) { + GLenum eqRGB = key->blend_eq_rgb; + GLenum eqA = key->blend_eq_a; + GLenum srcRGB = key->blend_src_rgb; + GLenum dstRGB = key->blend_dst_rgb; + GLenum srcA = key->blend_src_a; + GLenum dstA = key->blend_dst_a; + + if (eqRGB == GL_MIN || eqRGB == GL_MAX) { + srcRGB = dstRGB = GL_ONE; + } + + if (eqA == GL_MIN || eqA == GL_MAX) { + srcA = dstA = GL_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); + } + + if (key->alpha_enabled) { + cc.cc3.alpha_test = 1; + cc.cc3.alpha_test_func = intel_translate_compare_func(key->alpha_func); + cc.cc3.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8; + + UNCLAMPED_FLOAT_TO_UBYTE(cc.cc7.alpha_ref.ub[0], key->alpha_ref); + } + + if (key->dither) { + cc.cc5.dither_enable = 1; + cc.cc6.y_dither_offset = 0; + cc.cc6.x_dither_offset = 0; + } + + /* _NEW_DEPTH */ + if (key->depth_test) { + cc.cc2.depth_test = 1; + cc.cc2.depth_test_function = intel_translate_compare_func(key->depth_func); + cc.cc2.depth_write_enable = key->depth_write; + } + + /* CACHE_NEW_CC_VP */ + cc.cc4.cc_viewport_state_offset = brw->cc.vp_bo->offset >> 5; /* reloc */ + + if (INTEL_DEBUG & DEBUG_STATS) + cc.cc5.statistics_enable = 1; + + bo = brw_upload_cache(&brw->cache, BRW_CC_UNIT, + key, sizeof(*key), + &brw->cc.vp_bo, 1, + &cc, sizeof(cc), + NULL, NULL); + + /* Emit CC viewport relocation */ + dri_bo_emit_reloc(bo, + I915_GEM_DOMAIN_INSTRUCTION, + 0, + 0, + offsetof(struct brw_cc_unit_state, cc4), + brw->cc.vp_bo); + + return bo; +} + +static void prepare_cc_unit( struct brw_context *brw ) +{ + struct brw_cc_unit_key key; + + cc_unit_populate_key(brw, &key); + + dri_bo_unreference(brw->cc.state_bo); + brw->cc.state_bo = brw_search_cache(&brw->cache, BRW_CC_UNIT, + &key, sizeof(key), + &brw->cc.vp_bo, 1, + NULL); + + if (brw->cc.state_bo == NULL) + brw->cc.state_bo = cc_unit_create_from_key(brw, &key); +} + +const struct brw_tracked_state brw_cc_unit = { + .dirty = { + .mesa = _NEW_STENCIL | _NEW_COLOR | _NEW_DEPTH, + .brw = 0, + .cache = CACHE_NEW_CC_VP + }, + .prepare = prepare_cc_unit, +}; + + + |