From eb655c4fc26cb29c6e6d8dc13315f166fb627dc8 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Wed, 10 Aug 2016 15:55:11 -0700 Subject: [PATCH] i965/blorp: Add genxml-based dynamic state emit functions Signed-off-by: Jason Ekstrand Reviewed-by: Topi Pohjolainen --- src/mesa/drivers/dri/i965/genX_blorp_exec.c | 82 ++++++++++++++++++--- 1 file changed, 73 insertions(+), 9 deletions(-) diff --git a/src/mesa/drivers/dri/i965/genX_blorp_exec.c b/src/mesa/drivers/dri/i965/genX_blorp_exec.c index 87318272cfa..6f1cde5e808 100644 --- a/src/mesa/drivers/dri/i965/genX_blorp_exec.c +++ b/src/mesa/drivers/dri/i965/genX_blorp_exec.c @@ -266,6 +266,70 @@ blorp_emit_depth_stencil_config(struct brw_context *brw, blorp_emit(brw, GENX(3DSTATE_STENCIL_BUFFER), sb); } +static uint32_t +blorp_emit_blend_state(struct brw_context *brw, + const struct brw_blorp_params *params) +{ + struct GENX(BLEND_STATE) blend; + memset(&blend, 0, sizeof(blend)); + + for (unsigned i = 0; i < params->num_draw_buffers; ++i) { + blend.Entry[i].PreBlendColorClampEnable = true; + blend.Entry[i].PostBlendColorClampEnable = true; + blend.Entry[i].ColorClampRange = COLORCLAMP_RTFORMAT; + + blend.Entry[i].WriteDisableRed = params->color_write_disable[0]; + blend.Entry[i].WriteDisableGreen = params->color_write_disable[1]; + blend.Entry[i].WriteDisableBlue = params->color_write_disable[2]; + blend.Entry[i].WriteDisableAlpha = params->color_write_disable[3]; + } + + uint32_t offset; + void *state = brw_state_batch(brw, AUB_TRACE_BLEND_STATE, + GENX(BLEND_STATE_length) * 4, 64, &offset); + GENX(BLEND_STATE_pack)(NULL, state, &blend); + + return offset; +} + +static uint32_t +blorp_emit_color_calc_state(struct brw_context *brw, + const struct brw_blorp_params *params) +{ + uint32_t offset; + void *state = brw_state_batch(brw, AUB_TRACE_CC_STATE, + GENX(COLOR_CALC_STATE_length) * 4, 64, &offset); + memset(state, 0, GENX(COLOR_CALC_STATE_length) * 4); + + return offset; +} + +static uint32_t +blorp_emit_depth_stencil_state(struct brw_context *brw, + const struct brw_blorp_params *params) +{ + /* See the following sections of the Sandy Bridge PRM, Volume 1, Part2: + * - 7.5.3.1 Depth Buffer Clear + * - 7.5.3.2 Depth Buffer Resolve + * - 7.5.3.3 Hierarchical Depth Buffer Resolve + */ + struct GENX(DEPTH_STENCIL_STATE) ds = { + .DepthBufferWriteEnable = true, + }; + + if (params->hiz_op == GEN6_HIZ_OP_DEPTH_RESOLVE) { + ds.DepthTestEnable = true; + ds.DepthTestFunction = COMPAREFUNCTION_NEVER; + } + + uint32_t offset; + void *state = brw_state_batch(brw, AUB_TRACE_DEPTH_STENCIL_STATE, + GENX(DEPTH_STENCIL_STATE_length) * 4, 64, + &offset); + GENX(DEPTH_STENCIL_STATE_pack)(NULL, state, &ds); + + return offset; +} /* 3DSTATE_VIEWPORT_STATE_POINTERS */ static void @@ -304,9 +368,9 @@ void genX(blorp_exec)(struct brw_context *brw, const struct brw_blorp_params *params) { - uint32_t cc_blend_state_offset = 0; - uint32_t cc_state_offset = 0; - uint32_t depthstencil_offset; + uint32_t blend_state_offset = 0; + uint32_t color_calc_state_offset = 0; + uint32_t depth_stencil_state_offset; uint32_t wm_bind_bo_offset = 0; /* Emit workaround flushes when we switch from drawing to blorping. */ @@ -337,10 +401,10 @@ genX(blorp_exec)(struct brw_context *brw, } if (params->wm_prog_data) { - cc_blend_state_offset = gen6_blorp_emit_blend_state(brw, params); - cc_state_offset = gen6_blorp_emit_cc_state(brw); + blend_state_offset = blorp_emit_blend_state(brw, params); + color_calc_state_offset = blorp_emit_color_calc_state(brw, params); } - depthstencil_offset = gen6_blorp_emit_depth_stencil_state(brw, params); + depth_stencil_state_offset = blorp_emit_depth_stencil_state(brw, params); /* 3DSTATE_CC_STATE_POINTERS * @@ -353,9 +417,9 @@ genX(blorp_exec)(struct brw_context *brw, cc.BLEND_STATEChange = true; cc.COLOR_CALC_STATEChange = true; cc.DEPTH_STENCIL_STATEChange = true; - cc.PointertoBLEND_STATE = cc_blend_state_offset; - cc.PointertoCOLOR_CALC_STATE = cc_state_offset; - cc.PointertoDEPTH_STENCIL_STATE = depthstencil_offset; + cc.PointertoBLEND_STATE = blend_state_offset; + cc.PointertoCOLOR_CALC_STATE = color_calc_state_offset; + cc.PointertoDEPTH_STENCIL_STATE = depth_stencil_state_offset; } blorp_emit(brw, GENX(3DSTATE_CONSTANT_VS), vs); -- 2.30.2