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crocus: refactor blend state code.
This just refactors this code before adding gen8 support which needs more changes in this area. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11507>
This commit is contained in:
Dave Airlie
Marge Bot
parent
a9c1c75e9c
commit
22ee372eb3
1 changed files with 72 additions and 46 deletions
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@ -1425,7 +1425,6 @@ struct crocus_blend_state {
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bool dual_color_blending;
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};
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#if GFX_VER >= 6
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static enum pipe_blendfactor
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fix_blendfactor(enum pipe_blendfactor f, bool alpha_to_one)
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{
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@ -1439,8 +1438,74 @@ fix_blendfactor(enum pipe_blendfactor f, bool alpha_to_one)
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return f;
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}
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#if GFX_VER >= 6
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typedef struct GENX(BLEND_STATE_ENTRY) BLEND_ENTRY_GENXML;
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#else
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typedef struct GENX(COLOR_CALC_STATE) BLEND_ENTRY_GENXML;
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#endif
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static bool
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can_emit_logic_op(struct crocus_context *ice)
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{
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/* all pre gen8 have logicop restricted to unorm */
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enum pipe_format pformat = PIPE_FORMAT_NONE;
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for (unsigned i = 0; i < ice->state.framebuffer.nr_cbufs; i++) {
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if (ice->state.framebuffer.cbufs[i]) {
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pformat = ice->state.framebuffer.cbufs[i]->format;
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break;
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}
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}
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return (pformat == PIPE_FORMAT_NONE || util_format_is_unorm(pformat));
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}
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static bool
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set_blend_entry_bits(struct crocus_batch *batch, BLEND_ENTRY_GENXML *entry,
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struct crocus_blend_state *cso_blend,
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int idx)
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{
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struct crocus_context *ice = batch->ice;
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bool independent_alpha_blend = false;
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const struct pipe_rt_blend_state *rt =
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&cso_blend->cso.rt[cso_blend->cso.independent_blend_enable ? idx : 0];
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const unsigned blend_enabled = rt->blend_enable;
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enum pipe_blendfactor src_rgb =
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fix_blendfactor(rt->rgb_src_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor src_alpha =
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fix_blendfactor(rt->alpha_src_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor dst_rgb =
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fix_blendfactor(rt->rgb_dst_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor dst_alpha =
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fix_blendfactor(rt->alpha_dst_factor, cso_blend->cso.alpha_to_one);
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if (rt->rgb_func != rt->alpha_func ||
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src_rgb != src_alpha || dst_rgb != dst_alpha)
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independent_alpha_blend = true;
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if (cso_blend->cso.logicop_enable) {
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if (can_emit_logic_op(ice)) {
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entry->LogicOpEnable = cso_blend->cso.logicop_enable;
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entry->LogicOpFunction = cso_blend->cso.logicop_func;
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}
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} else if (blend_enabled) {
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if (idx == 0) {
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struct crocus_compiled_shader *shader = ice->shaders.prog[MESA_SHADER_FRAGMENT];
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struct brw_wm_prog_data *wm_prog_data = (void *) shader->prog_data;
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entry->ColorBufferBlendEnable = rt->blend_enable &&
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(!cso_blend->dual_color_blending || wm_prog_data->dual_src_blend);
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} else
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entry->ColorBufferBlendEnable = rt->blend_enable;
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entry->ColorBlendFunction = rt->rgb_func;
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entry->AlphaBlendFunction = rt->alpha_func;
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entry->SourceBlendFactor = (int) src_rgb;
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entry->SourceAlphaBlendFactor = (int) src_alpha;
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entry->DestinationBlendFactor = (int) dst_rgb;
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entry->DestinationAlphaBlendFactor = (int) dst_alpha;
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}
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return independent_alpha_blend;
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}
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/**
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* The pipe->create_blend_state() driver hook.
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*
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@ -5271,20 +5336,6 @@ emit_vertex_buffer_state(struct crocus_batch *batch,
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*map += vb_dwords;
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}
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static bool
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can_emit_logic_op(struct crocus_context *ice)
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{
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/* all pre gen8 have logicop restricted to unorm */
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enum pipe_format pformat = PIPE_FORMAT_NONE;
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for (unsigned i = 0; i < ice->state.framebuffer.nr_cbufs; i++) {
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if (ice->state.framebuffer.cbufs[i]) {
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pformat = ice->state.framebuffer.cbufs[i]->format;
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break;
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}
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}
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return (pformat == PIPE_FORMAT_NONE || util_format_is_unorm(pformat));
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}
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#if GFX_VER >= 6
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static uint32_t
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determine_sample_mask(struct crocus_context *ice)
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@ -5562,25 +5613,17 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
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const struct pipe_rt_blend_state *rt =
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&cso_blend->cso.rt[cso_blend->cso.independent_blend_enable ? i : 0];
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enum pipe_blendfactor src_rgb =
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fix_blendfactor(rt->rgb_src_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor src_alpha =
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fix_blendfactor(rt->alpha_src_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor dst_rgb =
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fix_blendfactor(rt->rgb_dst_factor, cso_blend->cso.alpha_to_one);
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enum pipe_blendfactor dst_alpha =
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fix_blendfactor(rt->alpha_dst_factor, cso_blend->cso.alpha_to_one);
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if (rt->rgb_func != rt->alpha_func ||
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src_rgb != src_alpha || dst_rgb != dst_alpha)
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indep_alpha_blend = true;
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crocus_pack_state(GENX(BLEND_STATE_ENTRY), blend_map, be) {
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if (can_emit_logic_op(ice)) {
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be.LogicOpEnable = cso_blend->cso.logicop_enable;
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be.LogicOpFunction = cso_blend->cso.logicop_func;
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}
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indep_alpha_blend = set_blend_entry_bits(batch, &be, cso_blend, i) ||
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indep_alpha_blend;
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be.IndependentAlphaBlendEnable = indep_alpha_blend;
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be.ColorClampRange = COLORCLAMP_RTFORMAT;
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be.PreBlendColorClampEnable = true;
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be.PostBlendColorClampEnable = true;
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@ -5593,20 +5636,12 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
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} else
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be.ColorBufferBlendEnable = rt->blend_enable;
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be.ColorBlendFunction = rt->rgb_func;
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be.AlphaBlendFunction = rt->alpha_func;
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be.SourceBlendFactor = (int) src_rgb;
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be.SourceAlphaBlendFactor = (int) src_alpha;
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be.DestinationBlendFactor = (int) dst_rgb;
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be.DestinationAlphaBlendFactor = (int) dst_alpha;
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be.WriteDisableRed = !(rt->colormask & PIPE_MASK_R);
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be.WriteDisableGreen = !(rt->colormask & PIPE_MASK_G);
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be.WriteDisableBlue = !(rt->colormask & PIPE_MASK_B);
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be.WriteDisableAlpha = !(rt->colormask & PIPE_MASK_A);
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be.AlphaToCoverageEnable = cso_blend->cso.alpha_to_coverage;
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be.IndependentAlphaBlendEnable = indep_alpha_blend;
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be.AlphaToOneEnable = cso_blend->cso.alpha_to_one;
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be.AlphaToCoverageDitherEnable = GFX_VER >= 7 && cso_blend->cso.alpha_to_coverage;
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be.ColorDitherEnable = cso_blend->cso.dither;
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@ -5673,17 +5708,8 @@ crocus_upload_dirty_render_state(struct crocus_context *ice,
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}
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}
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cc.ColorDitherEnable = cso_blend->cso.dither;
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cc.ColorBlendFunction = rt->rgb_func;
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cc.AlphaBlendFunction = rt->alpha_func;
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cc.SourceBlendFactor = rt->rgb_src_factor;
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cc.SourceAlphaBlendFactor = rt->alpha_src_factor;
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cc.DestinationBlendFactor = rt->rgb_dst_factor;
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cc.DestinationAlphaBlendFactor = rt->alpha_dst_factor;
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if (rt->rgb_func != rt->alpha_func ||
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rt->rgb_src_factor != rt->alpha_src_factor ||
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rt->rgb_dst_factor != rt->alpha_dst_factor)
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cc.IndependentAlphaBlendEnable = true;
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cc.IndependentAlphaBlendEnable = set_blend_entry_bits(batch, &cc, cso_blend, 0);
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if (cso->cso.alpha_enabled && ice->state.framebuffer.nr_cbufs <= 1) {
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cc.AlphaTestEnable = cso->cso.alpha_enabled;
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