r600g: fix eg/cayman scissor workaround
[mesa.git] / src / gallium / drivers / r600 / r600_state.c
index 3284f92f41022f0fd9158b75c5867d7f957eac52..21e6abcb1f6e34923d8dfbc2027d6803ccd0a8c7 100644 (file)
@@ -199,14 +199,17 @@ static void *r600_create_blend_state(struct pipe_context *ctx,
 static void *r600_create_dsa_state(struct pipe_context *ctx,
                                   const struct pipe_depth_stencil_alpha_state *state)
 {
-       struct r600_pipe_state *rstate = CALLOC_STRUCT(r600_pipe_state);
+       struct r600_pipe_dsa *dsa = CALLOC_STRUCT(r600_pipe_dsa);
        unsigned db_depth_control, alpha_test_control, alpha_ref, db_shader_control;
        unsigned stencil_ref_mask, stencil_ref_mask_bf, db_render_override, db_render_control;
+       struct r600_pipe_state *rstate;
 
-       if (rstate == NULL) {
+       if (dsa == NULL) {
                return NULL;
        }
 
+       rstate = &dsa->rstate;
+
        rstate->id = R600_PIPE_STATE_DSA;
        /* depth TODO some of those db_shader_control field depend on shader adjust mask & add it to shader */
        db_shader_control = S_02880C_Z_ORDER(V_02880C_EARLY_Z_THEN_LATE_Z);
@@ -246,6 +249,7 @@ static void *r600_create_dsa_state(struct pipe_context *ctx,
                alpha_test_control |= S_028410_ALPHA_TEST_ENABLE(1);
                alpha_ref = fui(state->alpha.ref_value);
        }
+       dsa->alpha_ref = alpha_ref;
 
        /* misc */
        db_render_control = 0;
@@ -262,7 +266,6 @@ static void *r600_create_dsa_state(struct pipe_context *ctx,
        r600_pipe_state_add_reg(rstate,
                                R_028434_DB_STENCILREFMASK_BF, stencil_ref_mask_bf,
                                0xFFFFFFFF & C_028434_STENCILREF_BF, NULL);
-       r600_pipe_state_add_reg(rstate, R_028438_SX_ALPHA_REF, alpha_ref, 0xFFFFFFFF, NULL);
        r600_pipe_state_add_reg(rstate, R_0286E0_SPI_FOG_FUNC_SCALE, 0x00000000, 0xFFFFFFFF, NULL);
        r600_pipe_state_add_reg(rstate, R_0286E4_SPI_FOG_FUNC_BIAS, 0x00000000, 0xFFFFFFFF, NULL);
        r600_pipe_state_add_reg(rstate, R_0286DC_SPI_FOG_CNTL, 0x00000000, 0xFFFFFFFF, NULL);
@@ -366,6 +369,7 @@ static void *r600_create_sampler_state(struct pipe_context *ctx,
 {
        struct r600_pipe_state *rstate = CALLOC_STRUCT(r600_pipe_state);
        union util_color uc;
+       unsigned aniso_flag_offset = state->max_anisotropy > 1 ? 4 : 0;
 
        if (rstate == NULL) {
                return NULL;
@@ -377,9 +381,10 @@ static void *r600_create_sampler_state(struct pipe_context *ctx,
                        S_03C000_CLAMP_X(r600_tex_wrap(state->wrap_s)) |
                        S_03C000_CLAMP_Y(r600_tex_wrap(state->wrap_t)) |
                        S_03C000_CLAMP_Z(r600_tex_wrap(state->wrap_r)) |
-                       S_03C000_XY_MAG_FILTER(r600_tex_filter(state->mag_img_filter)) |
-                       S_03C000_XY_MIN_FILTER(r600_tex_filter(state->min_img_filter)) |
+                       S_03C000_XY_MAG_FILTER(r600_tex_filter(state->mag_img_filter) | aniso_flag_offset) |
+                       S_03C000_XY_MIN_FILTER(r600_tex_filter(state->min_img_filter) | aniso_flag_offset) |
                        S_03C000_MIP_FILTER(r600_tex_mipfilter(state->min_mip_filter)) |
+                       S_03C000_MAX_ANISO(r600_tex_aniso_filter(state->max_anisotropy)) |
                        S_03C000_DEPTH_COMPARE_FUNCTION(r600_tex_compare(state->compare_func)) |
                        S_03C000_BORDER_COLOR_TYPE(uc.ui ? V_03C000_SQ_TEX_BORDER_COLOR_REGISTER : 0), 0xFFFFFFFF, NULL);
        r600_pipe_state_add_reg(rstate, R_03C004_SQ_TEX_SAMPLER_WORD1_0,
@@ -464,7 +469,6 @@ static struct pipe_sampler_view *r600_create_sampler_view(struct pipe_context *c
                depth = texture->array_size;
        }
 
-       /* FIXME properly handle first level != 0 */
        r600_pipe_state_add_reg(rstate, R_038000_RESOURCE0_WORD0,
                                S_038000_DIM(r600_tex_dim(texture->target)) |
                                S_038000_TILE_MODE(array_mode) |
@@ -481,7 +485,7 @@ static struct pipe_sampler_view *r600_create_sampler_view(struct pipe_context *c
                                (tmp->offset[1] + r600_bo_offset(bo[1])) >> 8, 0xFFFFFFFF, bo[1]);
        r600_pipe_state_add_reg(rstate, R_038010_RESOURCE0_WORD4,
                                word4 |
-                               S_038010_SRF_MODE_ALL(V_038010_SRF_MODE_NO_ZERO) |
+                               S_038010_SRF_MODE_ALL(V_038010_SRF_MODE_ZERO_CLAMP_MINUS_ONE) |
                                S_038010_REQUEST_SIZE(1) |
                                S_038010_ENDIAN_SWAP(endian) |
                                S_038010_BASE_LEVEL(state->u.tex.first_level), 0xFFFFFFFF, NULL);
@@ -490,7 +494,8 @@ static struct pipe_sampler_view *r600_create_sampler_view(struct pipe_context *c
                                S_038014_BASE_ARRAY(state->u.tex.first_layer) |
                                S_038014_LAST_ARRAY(state->u.tex.last_layer), 0xFFFFFFFF, NULL);
        r600_pipe_state_add_reg(rstate, R_038018_RESOURCE0_WORD6,
-                               S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_TEXTURE), 0xFFFFFFFF, NULL);
+                               S_038018_TYPE(V_038010_SQ_TEX_VTX_VALID_TEXTURE) |
+                               S_038018_MAX_ANISO(4 /* max 16 samples */), 0xFFFFFFFF, NULL);
 
        return &resource->base;
 }
@@ -768,11 +773,36 @@ static void r600_cb(struct r600_pipe_context *rctx, struct r600_pipe_state *rsta
                S_0280A0_NUMBER_TYPE(ntype) |
                S_0280A0_ENDIAN(endian);
 
-       /* on R600 this can't be set if BLEND_CLAMP isn't set,
-          if BLEND_FLOAT32 is set of > 11 bits in a UNORM or SNORM */
-       if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
-           desc->channel[i].size < 12)
-               color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
+       /* EXPORT_NORM is an optimzation that can be enabled for better
+        * performance in certain cases
+        */
+       if (rctx->family < CHIP_RV770) {
+               /* EXPORT_NORM can be enabled if:
+                * - 11-bit or smaller UNORM/SNORM/SRGB
+                * - BLEND_CLAMP is enabled
+                * - BLEND_FLOAT32 is disabled
+                */
+               if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
+                   (desc->channel[i].size < 12 &&
+                    desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
+                    ntype != V_0280A0_NUMBER_UINT &&
+                    ntype != V_0280A0_NUMBER_SINT) &&
+                   G_0280A0_BLEND_CLAMP(color_info) &&
+                   !G_0280A0_BLEND_FLOAT32(color_info))
+                       color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
+       } else {
+               /* EXPORT_NORM can be enabled if:
+                * - 11-bit or smaller UNORM/SNORM/SRGB
+                * - 16-bit or smaller FLOAT
+                */
+               if (desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
+                   ((desc->channel[i].size < 12 &&
+                     desc->channel[i].type != UTIL_FORMAT_TYPE_FLOAT &&
+                     ntype != V_0280A0_NUMBER_UINT && ntype != V_0280A0_NUMBER_SINT) ||
+                   (desc->channel[i].size < 17 &&
+                    desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)))
+                       color_info |= S_0280A0_SOURCE_FORMAT(V_0280A0_EXPORT_NORM);
+       }
 
        r600_pipe_state_add_reg(rstate,
                                R_028040_CB_COLOR0_BASE + cb * 4,
@@ -965,7 +995,7 @@ void r600_init_state_functions(struct r600_pipe_context *rctx)
        rctx->context.create_vertex_elements_state = r600_create_vertex_elements;
        rctx->context.create_vs_state = r600_create_shader_state;
        rctx->context.bind_blend_state = r600_bind_blend_state;
-       rctx->context.bind_depth_stencil_alpha_state = r600_bind_state;
+       rctx->context.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
        rctx->context.bind_fragment_sampler_states = r600_bind_ps_sampler;
        rctx->context.bind_fs_state = r600_bind_ps_shader;
        rctx->context.bind_rasterizer_state = r600_bind_rs_state;