diff options
author | Eric Anholt <[email protected]> | 2010-01-29 11:18:26 -0800 |
---|---|---|
committer | Eric Anholt <[email protected]> | 2010-02-25 10:53:06 -0800 |
commit | 7ee590424c974cb10882e9c4664a6024595fc9de (patch) | |
tree | 01b172bf9f3ed059fbe0d24a8685b2838f9a7890 | |
parent | 9dce60f35b25f4f5605b22d75447bac5d9f55515 (diff) |
i965: Start adding support for the Sandybridge CC unit.
-rw-r--r-- | src/mesa/drivers/dri/i965/Makefile | 4 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 15 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_state.h | 4 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_state_cache.c | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_state_upload.c | 7 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_structs.h | 100 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_cc.c | 296 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_depthstencil.c | 169 |
9 files changed, 592 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile index 7758a792fde..7ce794d3aa8 100644 --- a/src/mesa/drivers/dri/i965/Makefile +++ b/src/mesa/drivers/dri/i965/Makefile @@ -84,7 +84,9 @@ DRIVER_SOURCES = \ brw_wm_pass2.c \ brw_wm_sampler_state.c \ brw_wm_state.c \ - brw_wm_surface_state.c + brw_wm_surface_state.c \ + gen6_cc.c \ + gen6_depthstencil.c C_SOURCES = \ $(COMMON_SOURCES) \ diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 21c4cd38a72..ea89d4f6fa8 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -282,6 +282,9 @@ struct brw_vs_ouput_sizes { enum brw_cache_id { + BRW_BLEND_STATE, + BRW_DEPTH_STENCIL_STATE, + BRW_COLOR_CALC_STATE, BRW_CC_VP, BRW_CC_UNIT, BRW_WM_PROG, @@ -354,6 +357,9 @@ struct brw_tracked_state { /* Flags for brw->state.cache. */ +#define CACHE_NEW_BLEND_STATE (1<<BRW_BLEND_STATE) +#define CACHE_NEW_DEPTH_STENCIL_STATE (1<<BRW_DEPTH_STENCIL_STATE) +#define CACHE_NEW_COLOR_CALC_STATE (1<<BRW_COLOR_CALC_STATE) #define CACHE_NEW_CC_VP (1<<BRW_CC_VP) #define CACHE_NEW_CC_UNIT (1<<BRW_CC_UNIT) #define CACHE_NEW_WM_PROG (1<<BRW_WM_PROG) @@ -643,9 +649,16 @@ struct brw_context struct { + /* gen4 */ dri_bo *prog_bo; - dri_bo *state_bo; dri_bo *vp_bo; + + /* gen6 */ + dri_bo *blend_state_bo; + dri_bo *depth_stencil_state_bo; + dri_bo *color_calc_state_bo; + + dri_bo *state_bo; } cc; struct { diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index afdc5a1d85d..5d3b0a8b7a0 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -807,6 +807,7 @@ # define BRW_VE1_COMPONENT_3_SHIFT 16 # define BRW_VE1_DST_OFFSET_SHIFT 0 +#define CMD_3D_CC_STATE_POINTERS 0x780e /* GEN6+ */ #define CMD_INDEX_BUFFER 0x780a #define CMD_VF_STATISTICS_965 0x780b #define CMD_VF_STATISTICS_GM45 0x680b diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h index a24a02100c0..5112cd8016a 100644 --- a/src/mesa/drivers/dri/i965/brw_state.h +++ b/src/mesa/drivers/dri/i965/brw_state.h @@ -91,6 +91,10 @@ const struct brw_tracked_state brw_indices; const struct brw_tracked_state brw_vertices; const struct brw_tracked_state brw_index_buffer; const struct brw_tracked_state gen6_binding_table_pointers; +const struct brw_tracked_state gen6_blend_state; +const struct brw_tracked_state gen6_cc_state_pointers; +const struct brw_tracked_state gen6_color_calc_state; +const struct brw_tracked_state gen6_depth_stencil_state; /** * Use same key for WM and VS surfaces. diff --git a/src/mesa/drivers/dri/i965/brw_state_cache.c b/src/mesa/drivers/dri/i965/brw_state_cache.c index 4bb98d8d5d5..c08cb45b75c 100644 --- a/src/mesa/drivers/dri/i965/brw_state_cache.c +++ b/src/mesa/drivers/dri/i965/brw_state_cache.c @@ -390,6 +390,7 @@ brw_init_non_surface_cache(struct brw_context *brw) brw_init_cache_id(cache, "GS_UNIT", BRW_GS_UNIT); brw_init_cache_id(cache, "GS_PROG", BRW_GS_PROG); + brw_init_cache_id(cache, "BLEND_STATE", BRW_BLEND_STATE); } diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c index afa940962f9..ed9e18f33c6 100644 --- a/src/mesa/drivers/dri/i965/brw_state_upload.c +++ b/src/mesa/drivers/dri/i965/brw_state_upload.c @@ -122,9 +122,13 @@ const struct brw_tracked_state *gen6_atoms[] = &brw_recalculate_urb_fence, &brw_cc_vp, - &brw_cc_unit, #endif + &gen6_blend_state, /* must do before cc unit */ + &gen6_color_calc_state, /* must do before cc unit */ + &gen6_depth_stencil_state, /* must do before cc unit */ + &gen6_cc_state_pointers, + &brw_vs_surfaces, /* must do before unit */ &brw_wm_constant_surface, /* must do before wm surfaces/bind bo */ &brw_wm_surfaces, /* must do before samplers and unit */ @@ -282,6 +286,7 @@ static struct dirty_bit_map brw_bits[] = { }; static struct dirty_bit_map cache_bits[] = { + DEFINE_BIT(CACHE_NEW_BLEND_STATE), DEFINE_BIT(CACHE_NEW_CC_VP), DEFINE_BIT(CACHE_NEW_CC_UNIT), DEFINE_BIT(CACHE_NEW_WM_PROG), diff --git a/src/mesa/drivers/dri/i965/brw_structs.h b/src/mesa/drivers/dri/i965/brw_structs.h index 66d4127271a..10c0c622027 100644 --- a/src/mesa/drivers/dri/i965/brw_structs.h +++ b/src/mesa/drivers/dri/i965/brw_structs.h @@ -658,7 +658,105 @@ struct brw_clip_unit_state GLfloat viewport_ymax; }; +struct gen6_blend_state +{ + struct { + GLuint dest_blend_factor:5; + GLuint source_blend_factor:5; + GLuint pad3:1; + GLuint blend_func:3; + GLuint pad2:1; + GLuint ia_dest_blend_factor:5; + GLuint ia_source_blend_factor:5; + GLuint pad1:1; + GLuint ia_blend_func:3; + GLuint pad0:1; + GLuint ia_blend_enable:1; + GLuint blend_enable:1; + } blend0; + + struct { + GLuint post_blend_clamp_enable:1; + GLuint pre_blend_clamp_enable:1; + GLuint clamp_range:2; + GLuint pad0:4; + GLuint x_dither_offset:2; + GLuint y_dither_offset:2; + GLuint dither_enable:1; + GLuint alpha_test_func:3; + GLuint alpha_test_enable:1; + GLuint pad1:1; + GLuint logic_op_func:4; + GLuint logic_op_enable:1; + GLuint pad2:1; + GLuint write_disable_b:1; + GLuint write_disable_g:1; + GLuint write_disable_r:1; + GLuint write_disable_a:1; + GLuint pad3:1; + GLuint alpha_to_coverage_dither:1; + GLuint alpha_to_one:1; + GLuint alpha_to_coverage:1; + } blend1; +}; +struct gen6_color_calc_state +{ + struct { + GLuint alpha_test_format:1; + GLuint pad0:14; + GLuint round_disable:1; + GLuint bf_stencil_ref:8; + GLuint stencil_ref:8; + } cc0; + + union { + GLfloat alpha_ref_f; + struct { + GLuint ui:8; + GLuint pad0:24; + } alpha_ref_fi; + } cc1; + + GLfloat constant_r; + GLfloat constant_g; + GLfloat constant_b; + GLfloat constant_a; +}; + +struct gen6_depth_stencil_state +{ + struct { + GLuint pad0:3; + GLuint bf_stencil_pass_depth_pass_op:3; + GLuint bf_stencil_pass_depth_fail_op:3; + GLuint bf_stencil_fail_op:3; + GLuint bf_stencil_func:3; + GLuint bf_stencil_enable:1; + GLuint pad1:2; + GLuint stencil_write_enable:1; + GLuint stencil_pass_depth_pass_op:3; + GLuint stencil_pass_depth_fail_op:3; + GLuint stencil_fail_op:3; + GLuint stencil_func:3; + GLuint stencil_enable:1; + } ds0; + + struct { + GLuint bf_stencil_write_mask:8; + GLuint bf_stencil_test_mask:8; + GLuint stencil_write_mask:8; + GLuint stencil_test_mask:8; + } ds1; + + struct { + GLuint pad0:25; + GLuint depth_write_enable:1; + GLuint depth_test_func:3; + GLuint pad1:1; + GLuint depth_test_enable:1; + } ds2; +}; struct brw_cc_unit_state { @@ -752,8 +850,6 @@ struct brw_cc_unit_state } cc7; }; - - struct brw_sf_unit_state { struct thread0 thread0; diff --git a/src/mesa/drivers/dri/i965/gen6_cc.c b/src/mesa/drivers/dri/i965/gen6_cc.c new file mode 100644 index 00000000000..b1b6dc7db3b --- /dev/null +++ b/src/mesa/drivers/dri/i965/gen6_cc.c @@ -0,0 +1,296 @@ +/* + * Copyright © 2009 Intel Corporation + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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: + * Eric Anholt <[email protected]> + * + */ + +#include "brw_context.h" +#include "brw_state.h" +#include "brw_defines.h" +#include "brw_util.h" +#include "intel_batchbuffer.h" +#include "main/macros.h" +#include "main/enums.h" + +struct brw_blend_state_key { + GLboolean color_blend, alpha_enabled; + + 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; + + GLboolean dither; +}; + +static void +blend_state_populate_key(struct brw_context *brw, + struct brw_blend_state_key *key) +{ + GLcontext *ctx = &brw->intel.ctx; + + memset(key, 0, sizeof(*key)); + + /* _NEW_COLOR */ + if (ctx->Color._LogicOpEnabled) + key->logic_op = ctx->Color.LogicOp; + else + key->logic_op = GL_COPY; + + /* _NEW_COLOR */ + 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; + } + + /* _NEW_COLOR */ + key->alpha_enabled = ctx->Color.AlphaEnabled; + if (key->alpha_enabled) { + key->alpha_func = ctx->Color.AlphaFunc; + } + + /* _NEW_COLOR */ + key->dither = ctx->Color.DitherFlag; +} + +/** + * Creates the state cache entry for the given CC unit key. + */ +static drm_intel_bo * +blend_state_create_from_key(struct brw_context *brw, + struct brw_blend_state_key *key) +{ + struct gen6_blend_state blend; + drm_intel_bo *bo; + + memset(&blend, 0, sizeof(blend)); + + if (key->logic_op != GL_COPY) { + blend.blend1.logic_op_enable = 1; + blend.blend1.logic_op_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; + } + + blend.blend0.dest_blend_factor = brw_translate_blend_factor(dstRGB); + blend.blend0.source_blend_factor = brw_translate_blend_factor(srcRGB); + blend.blend0.blend_func = brw_translate_blend_equation(eqRGB); + + blend.blend0.ia_dest_blend_factor = brw_translate_blend_factor(dstA); + blend.blend0.ia_source_blend_factor = brw_translate_blend_factor(srcA); + blend.blend0.ia_blend_func = brw_translate_blend_equation(eqA); + + blend.blend0.blend_enable = 1; + blend.blend0.ia_blend_enable = (srcA != srcRGB || + dstA != dstRGB || + eqA != eqRGB); + } + + if (key->alpha_enabled) { + blend.blend1.alpha_test_enable = 1; + blend.blend1.alpha_test_func = intel_translate_compare_func(key->alpha_func); + + } + + if (key->dither) { + blend.blend1.dither_enable = 1; + blend.blend1.y_dither_offset = 0; + blend.blend1.x_dither_offset = 0; + } + + bo = brw_upload_cache(&brw->cache, BRW_BLEND_STATE, + key, sizeof(*key), + NULL, 0, + &blend, sizeof(blend)); + + return bo; +} + +static void +prepare_blend_state(struct brw_context *brw) +{ + struct brw_blend_state_key key; + + blend_state_populate_key(brw, &key); + + drm_intel_bo_unreference(brw->cc.blend_state_bo); + brw->cc.blend_state_bo = brw_search_cache(&brw->cache, BRW_BLEND_STATE, + &key, sizeof(key), + NULL, 0, + NULL); + + if (brw->cc.blend_state_bo == NULL) + brw->cc.blend_state_bo = blend_state_create_from_key(brw, &key); +} + +const struct brw_tracked_state gen6_blend_state = { + .dirty = { + .mesa = _NEW_COLOR, + .brw = 0, + .cache = 0, + }, + .prepare = prepare_blend_state, +}; + +struct brw_color_calc_state_key { + GLubyte blend_constant_color[4]; + GLclampf alpha_ref; + GLubyte stencil_ref[2]; +}; + +static void +color_calc_state_populate_key(struct brw_context *brw, + struct brw_color_calc_state_key *key) +{ + GLcontext *ctx = &brw->intel.ctx; + + memset(key, 0, sizeof(*key)); + + /* _NEW_STENCIL */ + if (ctx->Stencil._Enabled) { + const unsigned back = ctx->Stencil._BackFace; + + key->stencil_ref[0] = ctx->Stencil.Ref[0]; + if (ctx->Stencil._TestTwoSide) + key->stencil_ref[1] = ctx->Stencil.Ref[back]; + } + + /* _NEW_COLOR */ + if (ctx->Color.AlphaEnabled) + key->alpha_ref = ctx->Color.AlphaRef; + + key->blend_constant_color[0] = ctx->Color.BlendColor[0]; + key->blend_constant_color[1] = ctx->Color.BlendColor[1]; + key->blend_constant_color[2] = ctx->Color.BlendColor[2]; + key->blend_constant_color[3] = ctx->Color.BlendColor[3]; +} + +/** + * Creates the state cache entry for the given CC state key. + */ +static drm_intel_bo * +color_calc_state_create_from_key(struct brw_context *brw, + struct brw_color_calc_state_key *key) +{ + struct gen6_color_calc_state cc; + drm_intel_bo *bo; + + memset(&cc, 0, sizeof(cc)); + + cc.cc0.alpha_test_format = BRW_ALPHATEST_FORMAT_UNORM8; + UNCLAMPED_FLOAT_TO_UBYTE(cc.cc1.alpha_ref_fi.ui, key->alpha_ref); + + cc.cc0.stencil_ref = key->stencil_ref[0]; + cc.cc0.bf_stencil_ref = key->stencil_ref[1]; + + cc.constant_r = key->blend_constant_color[0]; + cc.constant_g = key->blend_constant_color[1]; + cc.constant_b = key->blend_constant_color[2]; + cc.constant_a = key->blend_constant_color[3]; + + bo = brw_upload_cache(&brw->cache, BRW_COLOR_CALC_STATE, + key, sizeof(*key), + NULL, 0, + &cc, sizeof(cc)); + + return bo; +} + +static void +prepare_color_calc_state(struct brw_context *brw) +{ + struct brw_color_calc_state_key key; + + color_calc_state_populate_key(brw, &key); + + drm_intel_bo_unreference(brw->cc.state_bo); + brw->cc.state_bo = brw_search_cache(&brw->cache, BRW_COLOR_CALC_STATE, + &key, sizeof(key), + NULL, 0, + NULL); + + if (brw->cc.state_bo == NULL) + brw->cc.state_bo = color_calc_state_create_from_key(brw, &key); +} + +const struct brw_tracked_state gen6_color_calc_state = { + .dirty = { + .mesa = _NEW_COLOR, + .brw = 0, + .cache = 0, + }, + .prepare = prepare_color_calc_state, +}; + +static void upload_cc_state_pointers(struct brw_context *brw) +{ + struct intel_context *intel = &brw->intel; + + BEGIN_BATCH(4); + OUT_BATCH(CMD_3D_CC_STATE_POINTERS << 16 | (4 - 2)); + OUT_RELOC(brw->cc.state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1); + OUT_RELOC(brw->cc.blend_state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1); + OUT_RELOC(brw->cc.depth_stencil_state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1); + ADVANCE_BATCH(); +} + + +static void prepare_cc_state_pointers(struct brw_context *brw) +{ + brw_add_validated_bo(brw, brw->cc.state_bo); + brw_add_validated_bo(brw, brw->cc.blend_state_bo); + brw_add_validated_bo(brw, brw->cc.depth_stencil_state_bo); +} + +const struct brw_tracked_state gen6_cc_state_pointers = { + .dirty = { + .mesa = 0, + .brw = BRW_NEW_BATCH, + .cache = (CACHE_NEW_BLEND_STATE | + CACHE_NEW_COLOR_CALC_STATE | + CACHE_NEW_DEPTH_STENCIL_STATE) + }, + .prepare = prepare_cc_state_pointers, + .emit = upload_cc_state_pointers, +}; diff --git a/src/mesa/drivers/dri/i965/gen6_depthstencil.c b/src/mesa/drivers/dri/i965/gen6_depthstencil.c new file mode 100644 index 00000000000..960927164c0 --- /dev/null +++ b/src/mesa/drivers/dri/i965/gen6_depthstencil.c @@ -0,0 +1,169 @@ +/* + * Copyright © 2009 Intel Corporation + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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: + * Eric Anholt <[email protected]> + * + */ + +#include "brw_context.h" +#include "brw_state.h" +#include "brw_defines.h" +#include "brw_util.h" +#include "main/macros.h" +#include "main/enums.h" + +struct brw_depth_stencil_state_key { + GLenum depth_func; + GLboolean depth_test, depth_write; + GLboolean stencil, stencil_two_side; + GLenum stencil_func[2], stencil_fail_op[2]; + GLenum stencil_pass_depth_fail_op[2], stencil_pass_depth_pass_op[2]; + GLubyte stencil_write_mask[2], stencil_test_mask[2]; +}; + +static void +depth_stencil_state_populate_key(struct brw_context *brw, + struct brw_depth_stencil_state_key *key) +{ + GLcontext *ctx = &brw->intel.ctx; + const unsigned back = ctx->Stencil._BackFace; + + memset(key, 0, sizeof(*key)); + + /* _NEW_STENCIL */ + 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_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_write_mask[1] = ctx->Stencil.WriteMask[back]; + key->stencil_test_mask[1] = ctx->Stencil.ValueMask[back]; + } + + 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 DEPTH_STENCIL_STATE state key. + */ +static dri_bo * +depth_stencil_state_create_from_key(struct brw_context *brw, + struct brw_depth_stencil_state_key *key) +{ + struct gen6_depth_stencil_state ds; + dri_bo *bo; + + memset(&ds, 0, sizeof(ds)); + + /* _NEW_STENCIL */ + if (key->stencil) { + ds.ds0.stencil_enable = 1; + ds.ds0.stencil_func = + intel_translate_compare_func(key->stencil_func[0]); + ds.ds0.stencil_fail_op = + intel_translate_stencil_op(key->stencil_fail_op[0]); + ds.ds0.stencil_pass_depth_fail_op = + intel_translate_stencil_op(key->stencil_pass_depth_fail_op[0]); + ds.ds0.stencil_pass_depth_pass_op = + intel_translate_stencil_op(key->stencil_pass_depth_pass_op[0]); + ds.ds1.stencil_write_mask = key->stencil_write_mask[0]; + ds.ds1.stencil_test_mask = key->stencil_test_mask[0]; + + if (key->stencil_two_side) { + ds.ds0.bf_stencil_enable = 1; + ds.ds0.bf_stencil_func = + intel_translate_compare_func(key->stencil_func[1]); + ds.ds0.bf_stencil_fail_op = + intel_translate_stencil_op(key->stencil_fail_op[1]); + ds.ds0.bf_stencil_pass_depth_fail_op = + intel_translate_stencil_op(key->stencil_pass_depth_fail_op[1]); + ds.ds0.bf_stencil_pass_depth_pass_op = + intel_translate_stencil_op(key->stencil_pass_depth_pass_op[1]); + ds.ds1.bf_stencil_write_mask = key->stencil_write_mask[1]; + ds.ds1.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])) + ds.ds0.stencil_write_enable = 1; + } + + /* _NEW_DEPTH */ + if (key->depth_test) { + ds.ds2.depth_test_enable = 1; + ds.ds2.depth_test_func = intel_translate_compare_func(key->depth_func); + ds.ds2.depth_write_enable = key->depth_write; + } + + bo = brw_upload_cache(&brw->cache, BRW_DEPTH_STENCIL_STATE, + key, sizeof(*key), + NULL, 0, + &ds, sizeof(ds)); + + return bo; +} + +static void +prepare_depth_stencil_state(struct brw_context *brw) +{ + struct brw_depth_stencil_state_key key; + + depth_stencil_state_populate_key(brw, &key); + + dri_bo_unreference(brw->cc.depth_stencil_state_bo); + brw->cc.depth_stencil_state_bo = brw_search_cache(&brw->cache, + BRW_DEPTH_STENCIL_STATE, + &key, sizeof(key), + NULL, 0, + NULL); + + if (brw->cc.depth_stencil_state_bo == NULL) + brw->cc.depth_stencil_state_bo = + depth_stencil_state_create_from_key(brw, &key); +} + +const struct brw_tracked_state gen6_depth_stencil_state = { + .dirty = { + .mesa = _NEW_DEPTH | _NEW_STENCIL, + .brw = 0, + .cache = 0, + }, + .prepare = prepare_depth_stencil_state, +}; |