#include "intel_batchbuffer.h"
#include "main/macros.h"
-struct gen6_blend_state_key {
- GLboolean color_blend, alpha_enabled;
- GLboolean dither;
- GLboolean color_mask[4];
-
- 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;
-};
-
static void
-blend_state_populate_key(struct brw_context *brw,
- struct gen6_blend_state_key *key)
+prepare_blend_state(struct brw_context *brw)
{
struct gl_context *ctx = &brw->intel.ctx;
+ struct gen6_blend_state *blend;
+ int b;
+ int nr_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers;
+ int size;
+
+ /* We need at least one BLEND_STATE written, because we might do
+ * thread dispatch even if _NumColorDrawBuffers is 0 (for example
+ * for computed depth or alpha test), which will do an FB write
+ * with render target 0, which will reference BLEND_STATE[0] for
+ * alpha test enable.
+ */
+ if (nr_draw_buffers == 0 && ctx->Color.AlphaEnabled)
+ nr_draw_buffers = 1;
+
+ size = sizeof(*blend) * nr_draw_buffers;
+ blend = brw_state_batch(brw, AUB_TRACE_BLEND_STATE,
+ size, 64, &brw->cc.blend_state_offset);
+
+ memset(blend, 0, size);
+
+ for (b = 0; b < nr_draw_buffers; b++) {
+ /* _NEW_COLOR */
+ if (ctx->Color._LogicOpEnabled) {
+ struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[b];
+ /* _NEW_BUFFERS */
+ /* Floating point RTs should have no effect from LogicOp,
+ * except for disabling of blending
+ */
+ if (_mesa_get_format_datatype(rb->Format) != GL_FLOAT) {
+ blend[b].blend1.logic_op_enable = 1;
+ blend[b].blend1.logic_op_func =
+ intel_translate_logic_op(ctx->Color.LogicOp);
+ }
+ } else if (ctx->Color.BlendEnabled & (1 << b)) {
+ GLenum eqRGB = ctx->Color.Blend[0].EquationRGB;
+ GLenum eqA = ctx->Color.Blend[0].EquationA;
+ GLenum srcRGB = ctx->Color.Blend[0].SrcRGB;
+ GLenum dstRGB = ctx->Color.Blend[0].DstRGB;
+ GLenum srcA = ctx->Color.Blend[0].SrcA;
+ GLenum dstA = ctx->Color.Blend[0].DstA;
+
+ if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
+ srcRGB = dstRGB = GL_ONE;
+ }
+
+ if (eqA == GL_MIN || eqA == GL_MAX) {
+ srcA = dstA = GL_ONE;
+ }
+
+ blend[b].blend0.dest_blend_factor = brw_translate_blend_factor(dstRGB);
+ blend[b].blend0.source_blend_factor = brw_translate_blend_factor(srcRGB);
+ blend[b].blend0.blend_func = brw_translate_blend_equation(eqRGB);
+
+ blend[b].blend0.ia_dest_blend_factor = brw_translate_blend_factor(dstA);
+ blend[b].blend0.ia_source_blend_factor = brw_translate_blend_factor(srcA);
+ blend[b].blend0.ia_blend_func = brw_translate_blend_equation(eqA);
+
+ blend[b].blend0.blend_enable = 1;
+ blend[b].blend0.ia_blend_enable = (srcA != srcRGB ||
+ dstA != dstRGB ||
+ eqA != eqRGB);
+ }
- memset(key, 0, sizeof(*key));
-
- /* _NEW_COLOR */
- memcpy(key->color_mask, ctx->Color.ColorMask[0], sizeof(key->color_mask));
-
- /* _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 gen6_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;
+ /* _NEW_COLOR */
+ if (ctx->Color.AlphaEnabled) {
+ blend[b].blend1.alpha_test_enable = 1;
+ blend[b].blend1.alpha_test_func =
+ intel_translate_compare_func(ctx->Color.AlphaFunc);
- if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
- srcRGB = dstRGB = GL_ONE;
}
- if (eqA == GL_MIN || eqA == GL_MAX) {
- srcA = dstA = GL_ONE;
+ /* _NEW_COLOR */
+ if (ctx->Color.DitherFlag) {
+ blend[b].blend1.dither_enable = 1;
+ blend[b].blend1.y_dither_offset = 0;
+ blend[b].blend1.x_dither_offset = 0;
}
- 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);
-
+ blend[b].blend1.write_disable_r = !ctx->Color.ColorMask[b][0];
+ blend[b].blend1.write_disable_g = !ctx->Color.ColorMask[b][1];
+ blend[b].blend1.write_disable_b = !ctx->Color.ColorMask[b][2];
+ blend[b].blend1.write_disable_a = !ctx->Color.ColorMask[b][3];
}
- if (key->dither) {
- blend.blend1.dither_enable = 1;
- blend.blend1.y_dither_offset = 0;
- blend.blend1.x_dither_offset = 0;
- }
-
- blend.blend1.write_disable_r = !key->color_mask[0];
- blend.blend1.write_disable_g = !key->color_mask[1];
- blend.blend1.write_disable_b = !key->color_mask[2];
- blend.blend1.write_disable_a = !key->color_mask[3];
-
- 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 gen6_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);
+ brw->state.dirty.cache |= CACHE_NEW_BLEND_STATE;
}
const struct brw_tracked_state gen6_blend_state = {
.dirty = {
- .mesa = _NEW_COLOR,
- .brw = 0,
+ .mesa = (_NEW_COLOR |
+ _NEW_BUFFERS),
+ .brw = BRW_NEW_BATCH,
.cache = 0,
},
.prepare = prepare_blend_state,
};
-struct gen6_color_calc_state_key {
- float blend_constant_color[4];
- GLclampf alpha_ref;
- GLubyte stencil_ref[2];
-};
-
static void
-color_calc_state_populate_key(struct brw_context *brw,
- struct gen6_color_calc_state_key *key)
+gen6_prepare_color_calc_state(struct brw_context *brw)
{
struct gl_context *ctx = &brw->intel.ctx;
+ struct gen6_color_calc_state *cc;
- 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];
- }
+ cc = brw_state_batch(brw, AUB_TRACE_CC_STATE,
+ sizeof(*cc), 64, &brw->cc.state_offset);
+ memset(cc, 0, sizeof(*cc));
/* _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 gen6_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, ctx->Color.AlphaRef);
- 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 gen6_color_calc_state_key key;
-
- color_calc_state_populate_key(brw, &key);
+ /* _NEW_STENCIL */
+ cc->cc0.stencil_ref = ctx->Stencil.Ref[0];
+ cc->cc0.bf_stencil_ref = ctx->Stencil.Ref[ctx->Stencil._BackFace];
- 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);
+ /* _NEW_COLOR */
+ cc->constant_r = ctx->Color.BlendColorUnclamped[0];
+ cc->constant_g = ctx->Color.BlendColorUnclamped[1];
+ cc->constant_b = ctx->Color.BlendColorUnclamped[2];
+ cc->constant_a = ctx->Color.BlendColorUnclamped[3];
- if (brw->cc.state_bo == NULL)
- brw->cc.state_bo = color_calc_state_create_from_key(brw, &key);
+ brw->state.dirty.cache |= CACHE_NEW_COLOR_CALC_STATE;
}
const struct brw_tracked_state gen6_color_calc_state = {
.dirty = {
.mesa = _NEW_COLOR | _NEW_STENCIL,
- .brw = 0,
+ .brw = BRW_NEW_BATCH,
.cache = 0,
},
- .prepare = prepare_color_calc_state,
+ .prepare = gen6_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.blend_state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1);
- OUT_RELOC(brw->cc.depth_stencil_state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1);
- OUT_RELOC(brw->cc.state_bo, I915_GEM_DOMAIN_INSTRUCTION, 0, 1);
+ OUT_BATCH(_3DSTATE_CC_STATE_POINTERS << 16 | (4 - 2));
+ OUT_BATCH(brw->cc.blend_state_offset | 1);
+ OUT_BATCH(brw->cc.depth_stencil_state_offset | 1);
+ OUT_BATCH(brw->cc.state_offset | 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,
+ .brw = (BRW_NEW_BATCH |
+ BRW_NEW_STATE_BASE_ADDRESS),
.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,
};
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