radeonsi: fix shader precompilation for shader-db
[mesa.git] / src / gallium / drivers / radeonsi / si_state_shaders.c
index ce8d1cca212be40474f27a649afbdb330b09b254..575e9926f4a6db9cb5c1a6e3cac68da898ebf9e8 100644 (file)
@@ -33,6 +33,7 @@
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_ureg.h"
 #include "util/u_memory.h"
+#include "util/u_prim.h"
 #include "util/u_simple_shaders.h"
 
 static void si_set_tesseval_regs(struct si_shader *shader,
@@ -99,7 +100,7 @@ static void si_shader_ls(struct si_shader *shader)
        uint64_t va;
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
        va = shader->bo->gpu_address;
@@ -110,7 +111,7 @@ static void si_shader_ls(struct si_shader *shader)
        vgpr_comp_cnt = shader->uses_instanceid ? 3 : 1;
 
        num_user_sgprs = SI_LS_NUM_USER_SGPR;
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        if (num_user_sgprs > num_sgprs) {
                /* Last 2 reserved SGPRs are used for VCC */
                num_sgprs = num_user_sgprs + 2;
@@ -120,12 +121,12 @@ static void si_shader_ls(struct si_shader *shader)
        si_pm4_set_reg(pm4, R_00B520_SPI_SHADER_PGM_LO_LS, va >> 8);
        si_pm4_set_reg(pm4, R_00B524_SPI_SHADER_PGM_HI_LS, va >> 40);
 
-       shader->ls_rsrc1 = S_00B528_VGPRS((shader->num_vgprs - 1) / 4) |
+       shader->config.rsrc1 = S_00B528_VGPRS((shader->config.num_vgprs - 1) / 4) |
                           S_00B528_SGPRS((num_sgprs - 1) / 8) |
                           S_00B528_VGPR_COMP_CNT(vgpr_comp_cnt) |
                           S_00B528_DX10_CLAMP(shader->dx10_clamp_mode);
-       shader->ls_rsrc2 = S_00B52C_USER_SGPR(num_user_sgprs) |
-                          S_00B52C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0);
+       shader->config.rsrc2 = S_00B52C_USER_SGPR(num_user_sgprs) |
+                          S_00B52C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0);
 }
 
 static void si_shader_hs(struct si_shader *shader)
@@ -135,14 +136,14 @@ static void si_shader_hs(struct si_shader *shader)
        uint64_t va;
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_USER_SHADER);
 
        num_user_sgprs = SI_TCS_NUM_USER_SGPR;
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        /* One SGPR after user SGPRs is pre-loaded with tessellation factor
         * buffer offset. */
        if ((num_user_sgprs + 1) > num_sgprs) {
@@ -154,12 +155,12 @@ static void si_shader_hs(struct si_shader *shader)
        si_pm4_set_reg(pm4, R_00B420_SPI_SHADER_PGM_LO_HS, va >> 8);
        si_pm4_set_reg(pm4, R_00B424_SPI_SHADER_PGM_HI_HS, va >> 40);
        si_pm4_set_reg(pm4, R_00B428_SPI_SHADER_PGM_RSRC1_HS,
-                      S_00B428_VGPRS((shader->num_vgprs - 1) / 4) |
+                      S_00B428_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B428_SGPRS((num_sgprs - 1) / 8) |
                       S_00B428_DX10_CLAMP(shader->dx10_clamp_mode));
        si_pm4_set_reg(pm4, R_00B42C_SPI_SHADER_PGM_RSRC2_HS,
                       S_00B42C_USER_SGPR(num_user_sgprs) |
-                      S_00B42C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0));
+                      S_00B42C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
 }
 
 static void si_shader_es(struct si_shader *shader)
@@ -171,7 +172,7 @@ static void si_shader_es(struct si_shader *shader)
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
 
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
        va = shader->bo->gpu_address;
@@ -186,7 +187,7 @@ static void si_shader_es(struct si_shader *shader)
        } else
                unreachable("invalid shader selector type");
 
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        /* One SGPR after user SGPRs is pre-loaded with es2gs_offset */
        if ((num_user_sgprs + 1) > num_sgprs) {
                /* Last 2 reserved SGPRs are used for VCC */
@@ -194,82 +195,76 @@ static void si_shader_es(struct si_shader *shader)
        }
        assert(num_sgprs <= 104);
 
+       si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
+                      shader->selector->esgs_itemsize / 4);
        si_pm4_set_reg(pm4, R_00B320_SPI_SHADER_PGM_LO_ES, va >> 8);
        si_pm4_set_reg(pm4, R_00B324_SPI_SHADER_PGM_HI_ES, va >> 40);
        si_pm4_set_reg(pm4, R_00B328_SPI_SHADER_PGM_RSRC1_ES,
-                      S_00B328_VGPRS((shader->num_vgprs - 1) / 4) |
+                      S_00B328_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B328_SGPRS((num_sgprs - 1) / 8) |
                       S_00B328_VGPR_COMP_CNT(vgpr_comp_cnt) |
                       S_00B328_DX10_CLAMP(shader->dx10_clamp_mode));
        si_pm4_set_reg(pm4, R_00B32C_SPI_SHADER_PGM_RSRC2_ES,
                       S_00B32C_USER_SGPR(num_user_sgprs) |
-                      S_00B32C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0));
+                      S_00B32C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
 
        if (shader->selector->type == PIPE_SHADER_TESS_EVAL)
                si_set_tesseval_regs(shader, pm4);
 }
 
-static unsigned si_gs_get_max_stream(struct si_shader *shader)
+/**
+ * Calculate the appropriate setting of VGT_GS_MODE when \p shader is a
+ * geometry shader.
+ */
+static uint32_t si_vgt_gs_mode(struct si_shader *shader)
 {
-       struct pipe_stream_output_info *so = &shader->selector->so;
-       unsigned max_stream = 0, i;
-
-       if (so->num_outputs == 0)
-               return 0;
+       unsigned gs_max_vert_out = shader->selector->gs_max_out_vertices;
+       unsigned cut_mode;
 
-       for (i = 0; i < so->num_outputs; i++) {
-               if (so->output[i].stream > max_stream)
-                       max_stream = so->output[i].stream;
+       if (gs_max_vert_out <= 128) {
+               cut_mode = V_028A40_GS_CUT_128;
+       } else if (gs_max_vert_out <= 256) {
+               cut_mode = V_028A40_GS_CUT_256;
+       } else if (gs_max_vert_out <= 512) {
+               cut_mode = V_028A40_GS_CUT_512;
+       } else {
+               assert(gs_max_vert_out <= 1024);
+               cut_mode = V_028A40_GS_CUT_1024;
        }
-       return max_stream;
+
+       return S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
+              S_028A40_CUT_MODE(cut_mode)|
+              S_028A40_ES_WRITE_OPTIMIZE(1) |
+              S_028A40_GS_WRITE_OPTIMIZE(1);
 }
 
 static void si_shader_gs(struct si_shader *shader)
 {
-       unsigned gs_vert_itemsize = shader->selector->info.num_outputs * 16;
-       unsigned gs_max_vert_out = shader->selector->gs_max_out_vertices;
-       unsigned gsvs_itemsize = (gs_vert_itemsize * gs_max_vert_out) >> 2;
+       unsigned gs_vert_itemsize = shader->selector->gsvs_vertex_size;
+       unsigned gsvs_itemsize = shader->selector->max_gsvs_emit_size >> 2;
        unsigned gs_num_invocations = shader->selector->gs_num_invocations;
-       unsigned cut_mode;
        struct si_pm4_state *pm4;
        unsigned num_sgprs, num_user_sgprs;
        uint64_t va;
-       unsigned max_stream = si_gs_get_max_stream(shader);
+       unsigned max_stream = shader->selector->max_gs_stream;
 
        /* The GSVS_RING_ITEMSIZE register takes 15 bits */
        assert(gsvs_itemsize < (1 << 15));
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
 
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
-       if (gs_max_vert_out <= 128) {
-               cut_mode = V_028A40_GS_CUT_128;
-       } else if (gs_max_vert_out <= 256) {
-               cut_mode = V_028A40_GS_CUT_256;
-       } else if (gs_max_vert_out <= 512) {
-               cut_mode = V_028A40_GS_CUT_512;
-       } else {
-               assert(gs_max_vert_out <= 1024);
-               cut_mode = V_028A40_GS_CUT_1024;
-       }
-
-       si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE,
-                      S_028A40_MODE(V_028A40_GS_SCENARIO_G) |
-                      S_028A40_CUT_MODE(cut_mode)|
-                      S_028A40_ES_WRITE_OPTIMIZE(1) |
-                      S_028A40_GS_WRITE_OPTIMIZE(1));
+       si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, si_vgt_gs_mode(shader));
 
        si_pm4_set_reg(pm4, R_028A60_VGT_GSVS_RING_OFFSET_1, gsvs_itemsize);
        si_pm4_set_reg(pm4, R_028A64_VGT_GSVS_RING_OFFSET_2, gsvs_itemsize * ((max_stream >= 2) ? 2 : 1));
        si_pm4_set_reg(pm4, R_028A68_VGT_GSVS_RING_OFFSET_3, gsvs_itemsize * ((max_stream >= 3) ? 3 : 1));
 
-       si_pm4_set_reg(pm4, R_028AAC_VGT_ESGS_RING_ITEMSIZE,
-                      util_bitcount64(shader->selector->inputs_read) * (16 >> 2));
        si_pm4_set_reg(pm4, R_028AB0_VGT_GSVS_RING_ITEMSIZE, gsvs_itemsize * (max_stream + 1));
 
-       si_pm4_set_reg(pm4, R_028B38_VGT_GS_MAX_VERT_OUT, gs_max_vert_out);
+       si_pm4_set_reg(pm4, R_028B38_VGT_GS_MAX_VERT_OUT, shader->selector->gs_max_out_vertices);
 
        si_pm4_set_reg(pm4, R_028B5C_VGT_GS_VERT_ITEMSIZE, gs_vert_itemsize >> 2);
        si_pm4_set_reg(pm4, R_028B60_VGT_GS_VERT_ITEMSIZE_1, (max_stream >= 1) ? gs_vert_itemsize >> 2 : 0);
@@ -286,7 +281,7 @@ static void si_shader_gs(struct si_shader *shader)
        si_pm4_set_reg(pm4, R_00B224_SPI_SHADER_PGM_HI_GS, va >> 40);
 
        num_user_sgprs = SI_GS_NUM_USER_SGPR;
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        /* Two SGPRs after user SGPRs are pre-loaded with gs2vs_offset, gs_wave_id */
        if ((num_user_sgprs + 2) > num_sgprs) {
                /* Last 2 reserved SGPRs are used for VCC */
@@ -295,15 +290,22 @@ static void si_shader_gs(struct si_shader *shader)
        assert(num_sgprs <= 104);
 
        si_pm4_set_reg(pm4, R_00B228_SPI_SHADER_PGM_RSRC1_GS,
-                      S_00B228_VGPRS((shader->num_vgprs - 1) / 4) |
+                      S_00B228_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B228_SGPRS((num_sgprs - 1) / 8) |
                       S_00B228_DX10_CLAMP(shader->dx10_clamp_mode));
        si_pm4_set_reg(pm4, R_00B22C_SPI_SHADER_PGM_RSRC2_GS,
                       S_00B22C_USER_SGPR(num_user_sgprs) |
-                      S_00B22C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0));
+                      S_00B22C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
 }
 
-static void si_shader_vs(struct si_shader *shader)
+/**
+ * Compute the state for \p shader, which will run as a vertex shader on the
+ * hardware.
+ *
+ * If \p gs is non-NULL, it points to the geometry shader for which this shader
+ * is the copy shader.
+ */
+static void si_shader_vs(struct si_shader *shader, struct si_shader *gs)
 {
        struct si_pm4_state *pm4;
        unsigned num_sgprs, num_user_sgprs;
@@ -315,23 +317,29 @@ static void si_shader_vs(struct si_shader *shader)
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
 
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
-       /* If this is the GS copy shader, the GS state writes this register.
-        * Otherwise, the VS state writes it.
+       /* We always write VGT_GS_MODE in the VS state, because every switch
+        * between different shader pipelines involving a different GS or no
+        * GS at all involves a switch of the VS (different GS use different
+        * copy shaders). On the other hand, when the API switches from a GS to
+        * no GS and then back to the same GS used originally, the GS state is
+        * not sent again.
         */
-       if (!shader->is_gs_copy_shader) {
+       if (!gs) {
                si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE,
                               S_028A40_MODE(enable_prim_id ? V_028A40_GS_SCENARIO_A : 0));
                si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, enable_prim_id);
-       } else
+       } else {
+               si_pm4_set_reg(pm4, R_028A40_VGT_GS_MODE, si_vgt_gs_mode(gs));
                si_pm4_set_reg(pm4, R_028A84_VGT_PRIMITIVEID_EN, 0);
+       }
 
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_USER_SHADER);
 
-       if (shader->is_gs_copy_shader) {
+       if (gs) {
                vgpr_comp_cnt = 0; /* only VertexID is needed for GS-COPY. */
                num_user_sgprs = SI_GSCOPY_NUM_USER_SGPR;
        } else if (shader->selector->type == PIPE_SHADER_VERTEX) {
@@ -343,7 +351,7 @@ static void si_shader_vs(struct si_shader *shader)
        } else
                unreachable("invalid shader selector type");
 
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        if (num_user_sgprs > num_sgprs) {
                /* Last 2 reserved SGPRs are used for VCC */
                num_sgprs = num_user_sgprs + 2;
@@ -370,7 +378,7 @@ static void si_shader_vs(struct si_shader *shader)
        si_pm4_set_reg(pm4, R_00B120_SPI_SHADER_PGM_LO_VS, va >> 8);
        si_pm4_set_reg(pm4, R_00B124_SPI_SHADER_PGM_HI_VS, va >> 40);
        si_pm4_set_reg(pm4, R_00B128_SPI_SHADER_PGM_RSRC1_VS,
-                      S_00B128_VGPRS((shader->num_vgprs - 1) / 4) |
+                      S_00B128_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B128_SGPRS((num_sgprs - 1) / 8) |
                       S_00B128_VGPR_COMP_CNT(vgpr_comp_cnt) |
                       S_00B128_DX10_CLAMP(shader->dx10_clamp_mode));
@@ -381,7 +389,7 @@ static void si_shader_vs(struct si_shader *shader)
                       S_00B12C_SO_BASE2_EN(!!shader->selector->so.stride[2]) |
                       S_00B12C_SO_BASE3_EN(!!shader->selector->so.stride[3]) |
                       S_00B12C_SO_EN(!!shader->selector->so.num_outputs) |
-                      S_00B12C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0));
+                      S_00B12C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
        if (window_space)
                si_pm4_set_reg(pm4, R_028818_PA_CL_VTE_CNTL,
                               S_028818_VTX_XY_FMT(1) | S_028818_VTX_Z_FMT(1));
@@ -396,59 +404,124 @@ static void si_shader_vs(struct si_shader *shader)
                si_set_tesseval_regs(shader, pm4);
 }
 
+static unsigned si_get_spi_shader_col_format(struct si_shader *shader)
+{
+       unsigned value = shader->key.ps.spi_shader_col_format;
+       unsigned i, num_targets = (util_last_bit(value) + 3) / 4;
+
+       /* If the i-th target format is set, all previous target formats must
+        * be non-zero to avoid hangs.
+        */
+       for (i = 0; i < num_targets; i++)
+               if (!(value & (0xf << (i * 4))))
+                       value |= V_028714_SPI_SHADER_32_R << (i * 4);
+
+       return value;
+}
+
+static unsigned si_get_cb_shader_mask(unsigned spi_shader_col_format)
+{
+       unsigned i, cb_shader_mask = 0;
+
+       for (i = 0; i < 8; i++) {
+               switch ((spi_shader_col_format >> (i * 4)) & 0xf) {
+               case V_028714_SPI_SHADER_ZERO:
+                       break;
+               case V_028714_SPI_SHADER_32_R:
+                       cb_shader_mask |= 0x1 << (i * 4);
+                       break;
+               case V_028714_SPI_SHADER_32_GR:
+                       cb_shader_mask |= 0x3 << (i * 4);
+                       break;
+               case V_028714_SPI_SHADER_32_AR:
+                       cb_shader_mask |= 0x9 << (i * 4);
+                       break;
+               case V_028714_SPI_SHADER_FP16_ABGR:
+               case V_028714_SPI_SHADER_UNORM16_ABGR:
+               case V_028714_SPI_SHADER_SNORM16_ABGR:
+               case V_028714_SPI_SHADER_UINT16_ABGR:
+               case V_028714_SPI_SHADER_SINT16_ABGR:
+               case V_028714_SPI_SHADER_32_ABGR:
+                       cb_shader_mask |= 0xf << (i * 4);
+                       break;
+               default:
+                       assert(0);
+               }
+       }
+       return cb_shader_mask;
+}
+
 static void si_shader_ps(struct si_shader *shader)
 {
        struct tgsi_shader_info *info = &shader->selector->info;
        struct si_pm4_state *pm4;
-       unsigned i, spi_ps_in_control;
+       unsigned spi_ps_in_control, spi_shader_col_format, cb_shader_mask;
        unsigned num_sgprs, num_user_sgprs;
-       unsigned spi_baryc_cntl = 0;
+       unsigned spi_baryc_cntl = S_0286E0_FRONT_FACE_ALL_BITS(1);
        uint64_t va;
        bool has_centroid;
 
        pm4 = shader->pm4 = CALLOC_STRUCT(si_pm4_state);
 
-       if (pm4 == NULL)
+       if (!pm4)
                return;
 
-       for (i = 0; i < info->num_inputs; i++) {
-               switch (info->input_semantic_name[i]) {
-               case TGSI_SEMANTIC_POSITION:
-                       /* SPI_BARYC_CNTL.POS_FLOAT_LOCATION
-                        * Possible vaules:
-                        * 0 -> Position = pixel center (default)
-                        * 1 -> Position = pixel centroid
-                        * 2 -> Position = at sample position
-                        */
-                       switch (info->input_interpolate_loc[i]) {
-                       case TGSI_INTERPOLATE_LOC_CENTROID:
-                               spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(1);
-                               break;
-                       case TGSI_INTERPOLATE_LOC_SAMPLE:
-                               spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2);
-                               break;
-                       }
+       /* SPI_BARYC_CNTL.POS_FLOAT_LOCATION
+        * Possible vaules:
+        * 0 -> Position = pixel center
+        * 1 -> Position = pixel centroid
+        * 2 -> Position = at sample position
+        *
+        * From GLSL 4.5 specification, section 7.1:
+        *   "The variable gl_FragCoord is available as an input variable from
+        *    within fragment shaders and it holds the window relative coordinates
+        *    (x, y, z, 1/w) values for the fragment. If multi-sampling, this
+        *    value can be for any location within the pixel, or one of the
+        *    fragment samples. The use of centroid does not further restrict
+        *    this value to be inside the current primitive."
+        *
+        * Meaning that centroid has no effect and we can return anything within
+        * the pixel. Thus, return the value at sample position, because that's
+        * the most accurate one shaders can get.
+        */
+       spi_baryc_cntl |= S_0286E0_POS_FLOAT_LOCATION(2);
 
-                       if (info->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] ==
-                           TGSI_FS_COORD_PIXEL_CENTER_INTEGER)
-                               spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1);
-                       break;
-               }
-       }
+       if (info->properties[TGSI_PROPERTY_FS_COORD_PIXEL_CENTER] ==
+           TGSI_FS_COORD_PIXEL_CENTER_INTEGER)
+               spi_baryc_cntl |= S_0286E0_POS_FLOAT_ULC(1);
+
+       spi_shader_col_format = si_get_spi_shader_col_format(shader);
+       cb_shader_mask = si_get_cb_shader_mask(spi_shader_col_format);
+
+       /* This must be non-zero for alpha-test/kill to work.
+        * The hardware ignores the EXEC mask if no export memory is allocated.
+        * Don't add this to CB_SHADER_MASK.
+        */
+       if (!spi_shader_col_format &&
+           !info->writes_z && !info->writes_stencil && !info->writes_samplemask &&
+           (shader->selector->info.uses_kill ||
+            shader->key.ps.alpha_func != PIPE_FUNC_ALWAYS))
+               spi_shader_col_format = V_028714_SPI_SHADER_32_R;
 
-       has_centroid = G_0286CC_PERSP_CENTROID_ENA(shader->spi_ps_input_ena) ||
-                      G_0286CC_LINEAR_CENTROID_ENA(shader->spi_ps_input_ena);
+       /* Set interpolation controls. */
+       has_centroid = G_0286CC_PERSP_CENTROID_ENA(shader->config.spi_ps_input_ena) ||
+                      G_0286CC_LINEAR_CENTROID_ENA(shader->config.spi_ps_input_ena);
 
        spi_ps_in_control = S_0286D8_NUM_INTERP(shader->nparam) |
                            S_0286D8_BC_OPTIMIZE_DISABLE(has_centroid);
 
+       /* Set registers. */
        si_pm4_set_reg(pm4, R_0286E0_SPI_BARYC_CNTL, spi_baryc_cntl);
        si_pm4_set_reg(pm4, R_0286D8_SPI_PS_IN_CONTROL, spi_ps_in_control);
 
-       si_pm4_set_reg(pm4, R_028710_SPI_SHADER_Z_FORMAT, shader->spi_shader_z_format);
-       si_pm4_set_reg(pm4, R_028714_SPI_SHADER_COL_FORMAT,
-                      shader->spi_shader_col_format);
-       si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, shader->cb_shader_mask);
+       si_pm4_set_reg(pm4, R_028710_SPI_SHADER_Z_FORMAT,
+                      info->writes_samplemask ? V_028710_SPI_SHADER_32_ABGR :
+                      info->writes_stencil ? V_028710_SPI_SHADER_32_GR :
+                      info->writes_z ? V_028710_SPI_SHADER_32_R :
+                      V_028710_SPI_SHADER_ZERO);
+
+       si_pm4_set_reg(pm4, R_028714_SPI_SHADER_COL_FORMAT, spi_shader_col_format);
+       si_pm4_set_reg(pm4, R_02823C_CB_SHADER_MASK, cb_shader_mask);
 
        va = shader->bo->gpu_address;
        si_pm4_add_bo(pm4, shader->bo, RADEON_USAGE_READ, RADEON_PRIO_USER_SHADER);
@@ -456,7 +529,7 @@ static void si_shader_ps(struct si_shader *shader)
        si_pm4_set_reg(pm4, R_00B024_SPI_SHADER_PGM_HI_PS, va >> 40);
 
        num_user_sgprs = SI_PS_NUM_USER_SGPR;
-       num_sgprs = shader->num_sgprs;
+       num_sgprs = shader->config.num_sgprs;
        /* One SGPR after user SGPRs is pre-loaded with {prim_mask, lds_offset} */
        if ((num_user_sgprs + 1) > num_sgprs) {
                /* Last 2 reserved SGPRs are used for VCC */
@@ -465,13 +538,13 @@ static void si_shader_ps(struct si_shader *shader)
        assert(num_sgprs <= 104);
 
        si_pm4_set_reg(pm4, R_00B028_SPI_SHADER_PGM_RSRC1_PS,
-                      S_00B028_VGPRS((shader->num_vgprs - 1) / 4) |
+                      S_00B028_VGPRS((shader->config.num_vgprs - 1) / 4) |
                       S_00B028_SGPRS((num_sgprs - 1) / 8) |
                       S_00B028_DX10_CLAMP(shader->dx10_clamp_mode));
        si_pm4_set_reg(pm4, R_00B02C_SPI_SHADER_PGM_RSRC2_PS,
-                      S_00B02C_EXTRA_LDS_SIZE(shader->lds_size) |
+                      S_00B02C_EXTRA_LDS_SIZE(shader->config.lds_size) |
                       S_00B02C_USER_SGPR(num_user_sgprs) |
-                      S_00B32C_SCRATCH_EN(shader->scratch_bytes_per_wave > 0));
+                      S_00B32C_SCRATCH_EN(shader->config.scratch_bytes_per_wave > 0));
 }
 
 static void si_shader_init_pm4_state(struct si_shader *shader)
@@ -487,7 +560,7 @@ static void si_shader_init_pm4_state(struct si_shader *shader)
                else if (shader->key.vs.as_es)
                        si_shader_es(shader);
                else
-                       si_shader_vs(shader);
+                       si_shader_vs(shader, NULL);
                break;
        case PIPE_SHADER_TESS_CTRL:
                si_shader_hs(shader);
@@ -496,11 +569,11 @@ static void si_shader_init_pm4_state(struct si_shader *shader)
                if (shader->key.tes.as_es)
                        si_shader_es(shader);
                else
-                       si_shader_vs(shader);
+                       si_shader_vs(shader, NULL);
                break;
        case PIPE_SHADER_GEOMETRY:
                si_shader_gs(shader);
-               si_shader_vs(shader->gs_copy_shader);
+               si_shader_vs(shader->gs_copy_shader, shader);
                break;
        case PIPE_SHADER_FRAGMENT:
                si_shader_ps(shader);
@@ -510,6 +583,16 @@ static void si_shader_init_pm4_state(struct si_shader *shader)
        }
 }
 
+static unsigned si_get_alpha_test_func(struct si_context *sctx)
+{
+       /* Alpha-test should be disabled if colorbuffer 0 is integer. */
+       if (sctx->queued.named.dsa &&
+           !sctx->framebuffer.cb0_is_integer)
+               return sctx->queued.named.dsa->alpha_func;
+
+       return PIPE_FUNC_ALWAYS;
+}
+
 /* Compute the key for the hw shader variant */
 static inline void si_shader_selector_key(struct pipe_context *ctx,
                                          struct si_shader_selector *sel,
@@ -529,10 +612,8 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
 
                if (sctx->tes_shader.cso)
                        key->vs.as_ls = 1;
-               else if (sctx->gs_shader.cso) {
+               else if (sctx->gs_shader.cso)
                        key->vs.as_es = 1;
-                       key->vs.es_enabled_outputs = sctx->gs_shader.cso->inputs_read;
-               }
 
                if (!sctx->gs_shader.cso && sctx->ps_shader.cso &&
                    sctx->ps_shader.cso->info.uses_primid)
@@ -543,20 +624,56 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                        sctx->tes_shader.cso->info.properties[TGSI_PROPERTY_TES_PRIM_MODE];
                break;
        case PIPE_SHADER_TESS_EVAL:
-               if (sctx->gs_shader.cso) {
+               if (sctx->gs_shader.cso)
                        key->tes.as_es = 1;
-                       key->tes.es_enabled_outputs = sctx->gs_shader.cso->inputs_read;
-               } else if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.uses_primid)
+               else if (sctx->ps_shader.cso && sctx->ps_shader.cso->info.uses_primid)
                        key->tes.export_prim_id = 1;
                break;
        case PIPE_SHADER_GEOMETRY:
                break;
        case PIPE_SHADER_FRAGMENT: {
                struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
+               struct si_state_blend *blend = sctx->queued.named.blend;
 
-               if (sel->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS])
+               if (sel->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS] &&
+                   sel->info.colors_written == 0x1)
                        key->ps.last_cbuf = MAX2(sctx->framebuffer.state.nr_cbufs, 1) - 1;
-               key->ps.export_16bpc = sctx->framebuffer.export_16bpc;
+
+               if (blend) {
+                       /* Select the shader color format based on whether
+                        * blending or alpha are needed.
+                        */
+                       key->ps.spi_shader_col_format =
+                               (blend->blend_enable_4bit & blend->need_src_alpha_4bit &
+                                sctx->framebuffer.spi_shader_col_format_blend_alpha) |
+                               (blend->blend_enable_4bit & ~blend->need_src_alpha_4bit &
+                                sctx->framebuffer.spi_shader_col_format_blend) |
+                               (~blend->blend_enable_4bit & blend->need_src_alpha_4bit &
+                                sctx->framebuffer.spi_shader_col_format_alpha) |
+                               (~blend->blend_enable_4bit & ~blend->need_src_alpha_4bit &
+                                sctx->framebuffer.spi_shader_col_format);
+               } else
+                       key->ps.spi_shader_col_format = sctx->framebuffer.spi_shader_col_format;
+
+               /* If alpha-to-coverage is enabled, we have to export alpha
+                * even if there is no color buffer.
+                */
+               if (!(key->ps.spi_shader_col_format & 0xf) &&
+                   blend && blend->alpha_to_coverage)
+                       key->ps.spi_shader_col_format |= V_028710_SPI_SHADER_32_AR;
+
+               /* On SI and CIK except Hawaii, the CB doesn't clamp outputs
+                * to the range supported by the type if a channel has less
+                * than 16 bits and the export format is 16_ABGR.
+                */
+               if (sctx->b.chip_class <= CIK && sctx->b.family != CHIP_HAWAII)
+                       key->ps.color_is_int8 = sctx->framebuffer.color_is_int8;
+
+               /* Disable unwritten outputs (if WRITE_ALL_CBUFS isn't enabled). */
+               if (!key->ps.last_cbuf) {
+                       key->ps.spi_shader_col_format &= sel->colors_written_4bit;
+                       key->ps.color_is_int8 &= sel->info.colors_written;
+               }
 
                if (rs) {
                        bool is_poly = (sctx->current_rast_prim >= PIPE_PRIM_TRIANGLES &&
@@ -579,11 +696,7 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
                        key->ps.clamp_color = rs->clamp_fragment_color;
                }
 
-               key->ps.alpha_func = PIPE_FUNC_ALWAYS;
-               /* Alpha-test should be disabled if colorbuffer 0 is integer. */
-               if (sctx->queued.named.dsa &&
-                   !sctx->framebuffer.cb0_is_integer)
-                       key->ps.alpha_func = sctx->queued.named.dsa->alpha_func;
+               key->ps.alpha_func = si_get_alpha_test_func(sctx);
                break;
        }
        default:
@@ -592,23 +705,21 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
 }
 
 /* Select the hw shader variant depending on the current state. */
-static int si_shader_select(struct pipe_context *ctx,
-                           struct si_shader_ctx_state *state)
+static int si_shader_select_with_key(struct pipe_context *ctx,
+                                    struct si_shader_ctx_state *state,
+                                    union si_shader_key *key)
 {
        struct si_context *sctx = (struct si_context *)ctx;
        struct si_shader_selector *sel = state->cso;
        struct si_shader *current = state->current;
-       union si_shader_key key;
        struct si_shader *iter, *shader = NULL;
        int r;
 
-       si_shader_selector_key(ctx, sel, &key);
-
        /* Check if we don't need to change anything.
         * This path is also used for most shaders that don't need multiple
         * variants, it will cost just a computation of the key and this
         * test. */
-       if (likely(current && memcmp(&current->key, &key, sizeof(key)) == 0))
+       if (likely(current && memcmp(&current->key, key, sizeof(*key)) == 0))
                return 0;
 
        pipe_mutex_lock(sel->mutex);
@@ -617,7 +728,7 @@ static int si_shader_select(struct pipe_context *ctx,
        for (iter = sel->first_variant; iter; iter = iter->next_variant) {
                /* Don't check the "current" shader. We checked it above. */
                if (current != iter &&
-                   memcmp(&iter->key, &key, sizeof(key)) == 0) {
+                   memcmp(&iter->key, key, sizeof(*key)) == 0) {
                        state->current = iter;
                        pipe_mutex_unlock(sel->mutex);
                        return 0;
@@ -631,9 +742,9 @@ static int si_shader_select(struct pipe_context *ctx,
                return -ENOMEM;
        }
        shader->selector = sel;
-       shader->key = key;
+       shader->key = *key;
 
-       r = si_shader_create(sctx->screen, sctx->tm, shader);
+       r = si_shader_create(sctx->screen, sctx->tm, shader, &sctx->b.debug);
        if (unlikely(r)) {
                R600_ERR("Failed to build shader variant (type=%u) %d\n",
                         sel->type, r);
@@ -651,11 +762,19 @@ static int si_shader_select(struct pipe_context *ctx,
                sel->last_variant = shader;
        }
        state->current = shader;
-       p_atomic_inc(&sctx->screen->b.num_compilations);
        pipe_mutex_unlock(sel->mutex);
        return 0;
 }
 
+static int si_shader_select(struct pipe_context *ctx,
+                           struct si_shader_ctx_state *state)
+{
+       union si_shader_key key;
+
+       si_shader_selector_key(ctx, state->cso, &key);
+       return si_shader_select_with_key(ctx, state, &key);
+}
+
 static void *si_create_shader_selector(struct pipe_context *ctx,
                                       const struct pipe_shader_state *state)
 {
@@ -713,25 +832,22 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
                        sel->info.properties[TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES];
                sel->gs_num_invocations =
                        sel->info.properties[TGSI_PROPERTY_GS_INVOCATIONS];
-               sel->gsvs_itemsize = sel->info.num_outputs * 16 *
-                                    sel->gs_max_out_vertices;
+               sel->gsvs_vertex_size = sel->info.num_outputs * 16;
+               sel->max_gsvs_emit_size = sel->gsvs_vertex_size *
+                                         sel->gs_max_out_vertices;
 
-               for (i = 0; i < sel->info.num_inputs; i++) {
-                       unsigned name = sel->info.input_semantic_name[i];
-                       unsigned index = sel->info.input_semantic_index[i];
+               sel->max_gs_stream = 0;
+               for (i = 0; i < sel->so.num_outputs; i++)
+                       sel->max_gs_stream = MAX2(sel->max_gs_stream,
+                                                 sel->so.output[i].stream);
 
-                       switch (name) {
-                       case TGSI_SEMANTIC_PRIMID:
-                               break;
-                       default:
-                               sel->inputs_read |=
-                                       1llu << si_shader_io_get_unique_index(name, index);
-                       }
-               }
+               sel->gs_input_verts_per_prim =
+                       u_vertices_per_prim(sel->info.properties[TGSI_PROPERTY_GS_INPUT_PRIM]);
                break;
 
        case PIPE_SHADER_VERTEX:
        case PIPE_SHADER_TESS_CTRL:
+       case PIPE_SHADER_TESS_EVAL:
                for (i = 0; i < sel->info.num_outputs; i++) {
                        unsigned name = sel->info.output_semantic_name[i];
                        unsigned index = sel->info.output_semantic_index[i];
@@ -748,22 +864,58 @@ static void *si_create_shader_selector(struct pipe_context *ctx,
                                        1llu << si_shader_io_get_unique_index(name, index);
                        }
                }
+               sel->esgs_itemsize = util_last_bit64(sel->outputs_written) * 16;
                break;
+
        case PIPE_SHADER_FRAGMENT:
-               for (i = 0; i < sel->info.num_outputs; i++) {
-                       unsigned name = sel->info.output_semantic_name[i];
-                       unsigned index = sel->info.output_semantic_index[i];
+               for (i = 0; i < 8; i++)
+                       if (sel->info.colors_written & (1 << i))
+                               sel->colors_written_4bit |= 0xf << (4 * i);
+               break;
+       }
 
-                       if (name == TGSI_SEMANTIC_COLOR)
-                               sel->ps_colors_written |= 1 << index;
-               }
+       /* DB_SHADER_CONTROL */
+       sel->db_shader_control =
+               S_02880C_Z_EXPORT_ENABLE(sel->info.writes_z) |
+               S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(sel->info.writes_stencil) |
+               S_02880C_MASK_EXPORT_ENABLE(sel->info.writes_samplemask) |
+               S_02880C_KILL_ENABLE(sel->info.uses_kill);
+
+       switch (sel->info.properties[TGSI_PROPERTY_FS_DEPTH_LAYOUT]) {
+       case TGSI_FS_DEPTH_LAYOUT_GREATER:
+               sel->db_shader_control |=
+                       S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_GREATER_THAN_Z);
+               break;
+       case TGSI_FS_DEPTH_LAYOUT_LESS:
+               sel->db_shader_control |=
+                       S_02880C_CONSERVATIVE_Z_EXPORT(V_02880C_EXPORT_LESS_THAN_Z);
                break;
        }
 
+       /* Pre-compilation. */
        if (sscreen->b.debug_flags & DBG_PRECOMPILE) {
                struct si_shader_ctx_state state = {sel};
+               union si_shader_key key;
 
-               if (si_shader_select(ctx, &state)) {
+               memset(&key, 0, sizeof(key));
+
+               /* Set reasonable defaults, so that the shader key doesn't
+                * cause any code to be eliminated.
+                */
+               switch (sel->type) {
+               case PIPE_SHADER_TESS_CTRL:
+                       key.tcs.prim_mode = PIPE_PRIM_TRIANGLES;
+                       break;
+               case PIPE_SHADER_FRAGMENT:
+                       key.ps.alpha_func = PIPE_FUNC_ALWAYS;
+                       for (i = 0; i < 8; i++)
+                               if (sel->info.colors_written & (1 << i))
+                                       key.ps.spi_shader_col_format |=
+                                               V_028710_SPI_SHADER_FP16_ABGR << (i * 4);
+                       break;
+               }
+
+               if (si_shader_select_with_key(ctx, &state, &key)) {
                        fprintf(stderr, "radeonsi: can't create a shader\n");
                        tgsi_free_tokens(sel->tokens);
                        FREE(sel);
@@ -799,11 +951,11 @@ static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
        struct si_context *sctx = (struct si_context *)ctx;
        struct si_shader_selector *sel = state;
 
-       if (sctx->vs_shader.cso == sel || !sel)
+       if (sctx->vs_shader.cso == sel)
                return;
 
        sctx->vs_shader.cso = sel;
-       sctx->vs_shader.current = sel->first_variant;
+       sctx->vs_shader.current = sel ? sel->first_variant : NULL;
        si_mark_atom_dirty(sctx, &sctx->clip_regs);
        si_update_viewports_and_scissors(sctx);
 }
@@ -864,16 +1016,6 @@ static void si_bind_tes_shader(struct pipe_context *ctx, void *state)
        si_update_viewports_and_scissors(sctx);
 }
 
-static void si_make_dummy_ps(struct si_context *sctx)
-{
-       if (!sctx->dummy_pixel_shader) {
-               sctx->dummy_pixel_shader =
-                       util_make_fragment_cloneinput_shader(&sctx->b.b, 0,
-                                                            TGSI_SEMANTIC_GENERIC,
-                                                            TGSI_INTERPOLATE_CONSTANT);
-       }
-}
-
 static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
 {
        struct si_context *sctx = (struct si_context *)ctx;
@@ -883,14 +1025,8 @@ static void si_bind_ps_shader(struct pipe_context *ctx, void *state)
        if (sctx->ps_shader.cso == sel)
                return;
 
-       /* use a dummy shader if binding a NULL shader */
-       if (!sel) {
-               si_make_dummy_ps(sctx);
-               sel = sctx->dummy_pixel_shader;
-       }
-
        sctx->ps_shader.cso = sel;
-       sctx->ps_shader.current = sel->first_variant;
+       sctx->ps_shader.current = sel ? sel->first_variant : NULL;
        si_mark_atom_dirty(sctx, &sctx->cb_target_mask);
 }
 
@@ -953,7 +1089,7 @@ static void si_delete_shader_selector(struct pipe_context *ctx, void *state)
 
 static void si_emit_spi_map(struct si_context *sctx, struct r600_atom *atom)
 {
-       struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
        struct si_shader *ps = sctx->ps_shader.current;
        struct si_shader *vs = si_get_vs_state(sctx);
        struct tgsi_shader_info *psinfo;
@@ -972,12 +1108,6 @@ static void si_emit_spi_map(struct si_context *sctx, struct r600_atom *atom)
                unsigned index = psinfo->input_semantic_index[i];
                unsigned interpolate = psinfo->input_interpolate[i];
                unsigned param_offset = ps->ps_input_param_offset[i];
-
-               if (name == TGSI_SEMANTIC_POSITION ||
-                   name == TGSI_SEMANTIC_FACE)
-                       /* Read from preloaded VGPRs, not parameters */
-                       continue;
-
 bcolor:
                tmp = 0;
 
@@ -1025,14 +1155,14 @@ bcolor:
 
 static void si_emit_spi_ps_input(struct si_context *sctx, struct r600_atom *atom)
 {
-       struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = sctx->b.gfx.cs;
        struct si_shader *ps = sctx->ps_shader.current;
        unsigned input_ena;
 
        if (!ps)
                return;
 
-       input_ena = ps->spi_ps_input_ena;
+       input_ena = ps->config.spi_ps_input_ena;
 
        /* we need to enable at least one of them, otherwise we hang the GPU */
        assert(G_0286CC_PERSP_SAMPLE_ENA(input_ena) ||
@@ -1093,6 +1223,7 @@ static void si_init_config_add_vgt_flush(struct si_context *sctx)
        if (sctx->init_config_has_vgt_flush)
                return;
 
+       /* VGT_FLUSH is required even if VGT is idle. It resets VGT pointers. */
        si_pm4_cmd_begin(sctx->init_config, PKT3_EVENT_WRITE);
        si_pm4_cmd_add(sctx->init_config, EVENT_TYPE(V_028A90_VGT_FLUSH) | EVENT_INDEX(0));
        si_pm4_cmd_end(sctx->init_config, false);
@@ -1100,70 +1231,127 @@ static void si_init_config_add_vgt_flush(struct si_context *sctx)
 }
 
 /* Initialize state related to ESGS / GSVS ring buffers */
-static void si_init_gs_rings(struct si_context *sctx)
+static bool si_update_gs_ring_buffers(struct si_context *sctx)
 {
-       unsigned esgs_ring_size = 128 * 1024;
-       unsigned gsvs_ring_size = 60 * 1024 * 1024;
+       struct si_shader_selector *es =
+               sctx->tes_shader.cso ? sctx->tes_shader.cso : sctx->vs_shader.cso;
+       struct si_shader_selector *gs = sctx->gs_shader.cso;
+       struct si_pm4_state *pm4;
 
-       assert(!sctx->esgs_ring && !sctx->gsvs_ring);
+       /* Chip constants. */
+       unsigned num_se = sctx->screen->b.info.max_se;
+       unsigned wave_size = 64;
+       unsigned max_gs_waves = 32 * num_se; /* max 32 per SE on GCN */
+       unsigned gs_vertex_reuse = 16 * num_se; /* GS_VERTEX_REUSE register (per SE) */
+       unsigned alignment = 256 * num_se;
+       /* The maximum size is 63.999 MB per SE. */
+       unsigned max_size = ((unsigned)(63.999 * 1024 * 1024) & ~255) * num_se;
+
+       /* Calculate the minimum size. */
+       unsigned min_esgs_ring_size = align(es->esgs_itemsize * gs_vertex_reuse *
+                                           wave_size, alignment);
+
+       /* These are recommended sizes, not minimum sizes. */
+       unsigned esgs_ring_size = max_gs_waves * 2 * wave_size *
+                                 es->esgs_itemsize * gs->gs_input_verts_per_prim;
+       unsigned gsvs_ring_size = max_gs_waves * 2 * wave_size *
+                                 gs->max_gsvs_emit_size * (gs->max_gs_stream + 1);
+
+       min_esgs_ring_size = align(min_esgs_ring_size, alignment);
+       esgs_ring_size = align(esgs_ring_size, alignment);
+       gsvs_ring_size = align(gsvs_ring_size, alignment);
+
+       esgs_ring_size = CLAMP(esgs_ring_size, min_esgs_ring_size, max_size);
+       gsvs_ring_size = MIN2(gsvs_ring_size, max_size);
+
+       /* Some rings don't have to be allocated if shaders don't use them.
+        * (e.g. no varyings between ES and GS or GS and VS)
+        */
+       bool update_esgs = esgs_ring_size &&
+                          (!sctx->esgs_ring ||
+                           sctx->esgs_ring->width0 < esgs_ring_size);
+       bool update_gsvs = gsvs_ring_size &&
+                          (!sctx->gsvs_ring ||
+                           sctx->gsvs_ring->width0 < gsvs_ring_size);
 
-       sctx->esgs_ring = pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
-                                      PIPE_USAGE_DEFAULT, esgs_ring_size);
-       if (!sctx->esgs_ring)
-               return;
+       if (!update_esgs && !update_gsvs)
+               return true;
 
-       sctx->gsvs_ring = pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
-                                            PIPE_USAGE_DEFAULT, gsvs_ring_size);
-       if (!sctx->gsvs_ring) {
+       if (update_esgs) {
                pipe_resource_reference(&sctx->esgs_ring, NULL);
-               return;
+               sctx->esgs_ring = pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
+                                                    PIPE_USAGE_DEFAULT,
+                                                    esgs_ring_size);
+               if (!sctx->esgs_ring)
+                       return false;
        }
 
-       si_init_config_add_vgt_flush(sctx);
+       if (update_gsvs) {
+               pipe_resource_reference(&sctx->gsvs_ring, NULL);
+               sctx->gsvs_ring = pipe_buffer_create(sctx->b.b.screen, PIPE_BIND_CUSTOM,
+                                                    PIPE_USAGE_DEFAULT,
+                                                    gsvs_ring_size);
+               if (!sctx->gsvs_ring)
+                       return false;
+       }
+
+       /* Create the "init_config_gs_rings" state. */
+       pm4 = CALLOC_STRUCT(si_pm4_state);
+       if (!pm4)
+               return false;
 
-       /* Append these registers to the init config state. */
        if (sctx->b.chip_class >= CIK) {
-               if (sctx->b.chip_class >= VI) {
-                       /* The maximum sizes are 63.999 MB on VI, because
-                        * the register fields only have 18 bits. */
-                       assert(esgs_ring_size / 256 < (1 << 18));
-                       assert(gsvs_ring_size / 256 < (1 << 18));
-               }
-               si_pm4_set_reg(sctx->init_config, R_030900_VGT_ESGS_RING_SIZE,
-                              esgs_ring_size / 256);
-               si_pm4_set_reg(sctx->init_config, R_030904_VGT_GSVS_RING_SIZE,
-                              gsvs_ring_size / 256);
+               if (sctx->esgs_ring)
+                       si_pm4_set_reg(pm4, R_030900_VGT_ESGS_RING_SIZE,
+                                      sctx->esgs_ring->width0 / 256);
+               if (sctx->gsvs_ring)
+                       si_pm4_set_reg(pm4, R_030904_VGT_GSVS_RING_SIZE,
+                                      sctx->gsvs_ring->width0 / 256);
        } else {
-               si_pm4_set_reg(sctx->init_config, R_0088C8_VGT_ESGS_RING_SIZE,
-                              esgs_ring_size / 256);
-               si_pm4_set_reg(sctx->init_config, R_0088CC_VGT_GSVS_RING_SIZE,
-                              gsvs_ring_size / 256);
+               if (sctx->esgs_ring)
+                       si_pm4_set_reg(pm4, R_0088C8_VGT_ESGS_RING_SIZE,
+                                      sctx->esgs_ring->width0 / 256);
+               if (sctx->gsvs_ring)
+                       si_pm4_set_reg(pm4, R_0088CC_VGT_GSVS_RING_SIZE,
+                                      sctx->gsvs_ring->width0 / 256);
        }
 
-       /* Flush the context to re-emit the init_config state.
-        * This is done only once in a lifetime of a context.
-        */
-       si_pm4_upload_indirect_buffer(sctx, sctx->init_config);
+       /* Set the state. */
+       if (sctx->init_config_gs_rings)
+               si_pm4_free_state(sctx, sctx->init_config_gs_rings, ~0);
+       sctx->init_config_gs_rings = pm4;
+
+       if (!sctx->init_config_has_vgt_flush) {
+               si_init_config_add_vgt_flush(sctx);
+               si_pm4_upload_indirect_buffer(sctx, sctx->init_config);
+       }
+
+       /* Flush the context to re-emit both init_config states. */
        sctx->b.initial_gfx_cs_size = 0; /* force flush */
        si_context_gfx_flush(sctx, RADEON_FLUSH_ASYNC, NULL);
 
-       si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_ESGS,
-                          sctx->esgs_ring, 0, esgs_ring_size,
-                          true, true, 4, 64, 0);
-       si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_GEOMETRY, SI_RING_ESGS,
-                          sctx->esgs_ring, 0, esgs_ring_size,
-                          false, false, 0, 0, 0);
-       si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_GSVS,
-                          sctx->gsvs_ring, 0, gsvs_ring_size,
-                          false, false, 0, 0, 0);
+       /* Set ring bindings. */
+       if (sctx->esgs_ring) {
+               si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_ESGS,
+                                  sctx->esgs_ring, 0, sctx->esgs_ring->width0,
+                                  true, true, 4, 64, 0);
+               si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_GEOMETRY, SI_RING_ESGS,
+                                  sctx->esgs_ring, 0, sctx->esgs_ring->width0,
+                                  false, false, 0, 0, 0);
+       }
+       if (sctx->gsvs_ring)
+               si_set_ring_buffer(&sctx->b.b, PIPE_SHADER_VERTEX, SI_RING_GSVS,
+                                  sctx->gsvs_ring, 0, sctx->gsvs_ring->width0,
+                                  false, false, 0, 0, 0);
+       return true;
 }
 
-static void si_update_gs_rings(struct si_context *sctx)
+static void si_update_gsvs_ring_bindings(struct si_context *sctx)
 {
-       unsigned gsvs_itemsize = sctx->gs_shader.cso->gsvs_itemsize;
+       unsigned gsvs_itemsize = sctx->gs_shader.cso->max_gsvs_emit_size;
        uint64_t offset;
 
-       if (gsvs_itemsize == sctx->last_gsvs_itemsize)
+       if (!sctx->gsvs_ring || gsvs_itemsize == sctx->last_gsvs_itemsize)
                return;
 
        sctx->last_gsvs_itemsize = gsvs_itemsize;
@@ -1203,7 +1391,7 @@ static int si_update_scratch_buffer(struct si_context *sctx,
                return 0;
 
        /* This shader doesn't need a scratch buffer */
-       if (shader->scratch_bytes_per_wave == 0)
+       if (shader->config.scratch_bytes_per_wave == 0)
                return 0;
 
        /* This shader is already configured to use the current
@@ -1235,7 +1423,7 @@ static unsigned si_get_current_scratch_buffer_size(struct si_context *sctx)
 
 static unsigned si_get_scratch_buffer_bytes_per_wave(struct si_shader *shader)
 {
-       return shader ? shader->scratch_bytes_per_wave : 0;
+       return shader ? shader->config.scratch_bytes_per_wave : 0;
 }
 
 static unsigned si_get_max_scratch_bytes_per_wave(struct si_context *sctx)
@@ -1258,6 +1446,7 @@ static bool si_update_spi_tmpring_size(struct si_context *sctx)
                si_get_max_scratch_bytes_per_wave(sctx);
        unsigned scratch_needed_size = scratch_bytes_per_wave *
                sctx->scratch_waves;
+       unsigned spi_tmpring_size;
        int r;
 
        if (scratch_needed_size > 0) {
@@ -1327,8 +1516,12 @@ static bool si_update_spi_tmpring_size(struct si_context *sctx)
        assert((scratch_needed_size & ~0x3FF) == scratch_needed_size &&
                "scratch size should already be aligned correctly.");
 
-       sctx->spi_tmpring_size = S_0286E8_WAVES(sctx->scratch_waves) |
-                               S_0286E8_WAVESIZE(scratch_bytes_per_wave >> 10);
+       spi_tmpring_size = S_0286E8_WAVES(sctx->scratch_waves) |
+                          S_0286E8_WAVESIZE(scratch_bytes_per_wave >> 10);
+       if (spi_tmpring_size != sctx->spi_tmpring_size) {
+               sctx->spi_tmpring_size = spi_tmpring_size;
+               sctx->emit_scratch_reloc = true;
+       }
        return true;
 }
 
@@ -1524,13 +1717,10 @@ bool si_update_shaders(struct si_context *sctx)
                si_pm4_bind_state(sctx, vs, sctx->gs_shader.current->gs_copy_shader->pm4);
                si_update_so(sctx, sctx->gs_shader.cso);
 
-               if (!sctx->gsvs_ring) {
-                       si_init_gs_rings(sctx);
-                       if (!sctx->gsvs_ring)
-                               return false;
-               }
+               if (!si_update_gs_ring_buffers(sctx))
+                       return false;
 
-               si_update_gs_rings(sctx);
+               si_update_gsvs_ring_bindings(sctx);
        } else {
                si_pm4_bind_state(sctx, gs, NULL);
                si_pm4_bind_state(sctx, es, NULL);
@@ -1539,6 +1729,10 @@ bool si_update_shaders(struct si_context *sctx)
        si_update_vgt_shader_config(sctx);
 
        if (sctx->ps_shader.cso) {
+               unsigned db_shader_control =
+                       sctx->ps_shader.cso->db_shader_control |
+                       S_02880C_KILL_ENABLE(si_get_alpha_test_func(sctx) != PIPE_FUNC_ALWAYS);
+
                r = si_shader_select(ctx, &sctx->ps_shader);
                if (r)
                        return false;
@@ -1558,8 +1752,8 @@ bool si_update_shaders(struct si_context *sctx)
                        si_mark_atom_dirty(sctx, &sctx->spi_ps_input);
                }
 
-               if (sctx->ps_db_shader_control != sctx->ps_shader.current->db_shader_control) {
-                       sctx->ps_db_shader_control = sctx->ps_shader.current->db_shader_control;
+               if (sctx->ps_db_shader_control != db_shader_control) {
+                       sctx->ps_db_shader_control = db_shader_control;
                        si_mark_atom_dirty(sctx, &sctx->db_render_state);
                }