r300g: more solid is_buffer_referenced implementation
[mesa.git] / src / gallium / drivers / r300 / r300_emit.c
index 2fa3f6fe2eca50f56a2586e9b4878e4b9f8a0ae6..19acdaba621bbc834fdc4c0d3d79cf0af14032ec 100644 (file)
@@ -137,60 +137,41 @@ void r300_emit_dsa_state(struct r300_context* r300, unsigned size, void* state)
     END_CS;
 }
 
-static const float * get_shader_constant(
+static const float * get_rc_constant_state(
     struct r300_context * r300,
-    struct rc_constant * constant,
-    struct r300_constant_buffer * externals)
+    struct rc_constant * constant)
 {
     struct r300_viewport_state* viewport = r300->viewport_state.state;
     struct r300_textures_state* texstate = r300->textures_state.state;
     static float vec[4] = { 0.0, 0.0, 0.0, 1.0 };
     struct pipe_resource *tex;
 
-    switch(constant->Type) {
-        case RC_CONSTANT_EXTERNAL:
-            return externals->constants[constant->u.External];
-
-        case RC_CONSTANT_IMMEDIATE:
-            return constant->u.Immediate;
-
-        case RC_CONSTANT_STATE:
-            switch (constant->u.State[0]) {
-                /* Factor for converting rectangle coords to
-                 * normalized coords. Should only show up on non-r500. */
-                case RC_STATE_R300_TEXRECT_FACTOR:
-                    tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
-                    vec[0] = 1.0 / tex->width0;
-                    vec[1] = 1.0 / tex->height0;
-                    break;
-
-                /* Texture compare-fail value. Shouldn't ever show up, but if
-                 * it does, we'll be ready. */
-                case RC_STATE_SHADOW_AMBIENT:
-                    vec[3] = 0;
-                    break;
-
-                case RC_STATE_R300_VIEWPORT_SCALE:
-                    vec[0] = viewport->xscale;
-                    vec[1] = viewport->yscale;
-                    vec[2] = viewport->zscale;
-                    break;
-
-                case RC_STATE_R300_VIEWPORT_OFFSET:
-                    vec[0] = viewport->xoffset;
-                    vec[1] = viewport->yoffset;
-                    vec[2] = viewport->zoffset;
-                    break;
-
-                default:
-                    fprintf(stderr, "r300: Implementation error: "
-                        "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
-            }
+    assert(constant->Type == RC_CONSTANT_STATE);
+
+    switch (constant->u.State[0]) {
+        /* Factor for converting rectangle coords to
+         * normalized coords. Should only show up on non-r500. */
+        case RC_STATE_R300_TEXRECT_FACTOR:
+            tex = texstate->sampler_views[constant->u.State[1]]->base.texture;
+            vec[0] = 1.0 / tex->width0;
+            vec[1] = 1.0 / tex->height0;
+            break;
+
+        case RC_STATE_R300_VIEWPORT_SCALE:
+            vec[0] = viewport->xscale;
+            vec[1] = viewport->yscale;
+            vec[2] = viewport->zscale;
+            break;
+
+        case RC_STATE_R300_VIEWPORT_OFFSET:
+            vec[0] = viewport->xoffset;
+            vec[1] = viewport->yoffset;
+            vec[2] = viewport->zoffset;
             break;
 
         default:
             fprintf(stderr, "r300: Implementation error: "
-                "Unhandled constant type %d\n", constant->Type);
+                "Unknown RC_CONSTANT type %d\n", constant->u.State[0]);
     }
 
     /* This should either be (0, 0, 0, 1), which should be a relatively safe
@@ -233,18 +214,6 @@ static uint32_t pack_float24(float f)
     return float24;
 }
 
-static void r300_emit_fragment_depth_config(struct r300_context* r300)
-{
-    CS_LOCALS(r300);
-    if (r300_fragment_shader_writes_depth(r300_fs(r300))) {
-        OUT_CS_REG(R300_FG_DEPTH_SRC, R300_FG_DEPTH_SRC_SHADER);
-        OUT_CS_REG(R300_US_W_FMT, R300_W_FMT_W24 | R300_W_SRC_US);
-    } else {
-        OUT_CS_REG(R300_FG_DEPTH_SRC, R300_FG_DEPTH_SRC_SCAN);
-        OUT_CS_REG(R300_US_W_FMT, R300_W_FMT_W0 | R300_W_SRC_US);
-    }
-}
-
 unsigned r300_get_fs_atom_size(struct r300_context *r300)
 {
     struct r300_fragment_shader *fs = r300_fs(r300);
@@ -315,27 +284,28 @@ void r300_emit_fs(struct r300_context* r300, unsigned size, void *state)
         }
     }
 
-    r300_emit_fragment_depth_config(r300);
-    cs_count -= 4;
+    OUT_CS_REG(R300_FG_DEPTH_SRC, fs->shader->fg_depth_src);
+    OUT_CS_REG(R300_US_W_FMT, fs->shader->us_out_w);
     END_CS;
 }
 
-void r300_emit_fs_constant_buffer(struct r300_context* r300,
-                                  struct rc_constant_list* constants)
+void r300_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
 {
     struct r300_fragment_shader *fs = r300_fs(r300);
+    struct rc_constant_list *constants = &fs->shader->code.constants;
+    struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
     unsigned i, count = fs->shader->externals_count;
     CS_LOCALS(r300);
 
     if (count == 0)
         return;
 
-    BEGIN_CS(count * 4 + 1);
+    BEGIN_CS(size);
     OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X, count * 4);
     for(i = 0; i < count; ++i) {
+        const float *data;
         assert(constants->Constants[i].Type == RC_CONSTANT_EXTERNAL);
-        const float *data =
-            r300->shader_constants[PIPE_SHADER_FRAGMENT].constants[i];
+        data = buf->constants[i];
         OUT_CS(pack_float24(data[0]));
         OUT_CS(pack_float24(data[1]));
         OUT_CS(pack_float24(data[2]));
@@ -344,10 +314,10 @@ void r300_emit_fs_constant_buffer(struct r300_context* r300,
     END_CS;
 }
 
-void r300_emit_fs_constant_rc_state(struct r300_context* r300,
-                                    struct rc_constant_list* constants)
+void r300_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
 {
     struct r300_fragment_shader *fs = r300_fs(r300);
+    struct rc_constant_list *constants = &fs->shader->code.constants;
     unsigned i;
     unsigned count = fs->shader->rc_state_count;
     unsigned first = fs->shader->externals_count;
@@ -357,11 +327,11 @@ void r300_emit_fs_constant_rc_state(struct r300_context* r300,
     if (count == 0)
         return;
 
-    BEGIN_CS(count * 5);
+    BEGIN_CS(size);
     for(i = first; i < end; ++i) {
         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
-            const float *data = get_shader_constant(r300,
-                                                    &constants->Constants[i], 0);
+            const float *data =
+                    get_rc_constant_state(r300, &constants->Constants[i]);
 
             OUT_CS_REG_SEQ(R300_PFS_PARAM_0_X + i * 16, 4);
             OUT_CS(pack_float24(data[0]));
@@ -434,28 +404,29 @@ void r500_emit_fs(struct r300_context* r300, unsigned size, void *state)
         }
     }
 
-    r300_emit_fragment_depth_config(r300);
-    cs_count -= 4;
+    OUT_CS_REG(R300_FG_DEPTH_SRC, fs->shader->fg_depth_src);
+    OUT_CS_REG(R300_US_W_FMT, fs->shader->us_out_w);
     END_CS;
 }
 
-void r500_emit_fs_constant_buffer(struct r300_context* r300,
-                                  struct rc_constant_list* constants)
+void r500_emit_fs_constants(struct r300_context* r300, unsigned size, void *state)
 {
     struct r300_fragment_shader *fs = r300_fs(r300);
+    struct rc_constant_list *constants = &fs->shader->code.constants;
+    struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
     unsigned i, count = fs->shader->externals_count;
     CS_LOCALS(r300);
 
     if (count == 0)
         return;
 
-    BEGIN_CS(count * 4 + 3);
+    BEGIN_CS(size);
     OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
     OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, count * 4);
     for(i = 0; i < count; ++i) {
+        const float *data;
         assert(constants->Constants[i].Type == RC_CONSTANT_EXTERNAL);
-        const float *data =
-            r300->shader_constants[PIPE_SHADER_FRAGMENT].constants[i];
+        data = buf->constants[i];
 
         OUT_CS_32F(data[0]);
         OUT_CS_32F(data[1]);
@@ -465,10 +436,10 @@ void r500_emit_fs_constant_buffer(struct r300_context* r300,
     END_CS;
 }
 
-void r500_emit_fs_constant_rc_state(struct r300_context* r300,
-                                    struct rc_constant_list* constants)
+void r500_emit_fs_rc_constant_state(struct r300_context* r300, unsigned size, void *state)
 {
     struct r300_fragment_shader *fs = r300_fs(r300);
+    struct rc_constant_list *constants = &fs->shader->code.constants;
     unsigned i;
     unsigned count = fs->shader->rc_state_count;
     unsigned first = fs->shader->externals_count;
@@ -478,11 +449,11 @@ void r500_emit_fs_constant_rc_state(struct r300_context* r300,
     if (count == 0)
         return;
 
-    BEGIN_CS(count * 7);
+    BEGIN_CS(size);
     for(i = first; i < end; ++i) {
         if (constants->Constants[i].Type == RC_CONSTANT_STATE) {
-            const float *data = get_shader_constant(r300,
-                                                    &constants->Constants[i], 0);
+            const float *data =
+                    get_rc_constant_state(r300, &constants->Constants[i]);
 
             OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
                        R500_GA_US_VECTOR_INDEX_TYPE_CONST |
@@ -580,7 +551,7 @@ void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state)
     END_CS;
 }
 
-void r300_emit_query_start(struct r300_context *r300)
+void r300_emit_query_start(struct r300_context *r300, unsigned size, void*state)
 {
     struct r300_query *query = r300->query_current;
     CS_LOCALS(r300);
@@ -588,7 +559,7 @@ void r300_emit_query_start(struct r300_context *r300)
     if (!query)
        return;
 
-    BEGIN_CS(4);
+    BEGIN_CS(size);
     if (r300->screen->caps.family == CHIP_FAMILY_RV530) {
         OUT_CS_REG(RV530_FG_ZBREG_DEST, RV530_FG_ZBREG_DEST_PIPE_SELECT_ALL);
     } else {
@@ -746,6 +717,12 @@ void r300_emit_rs_state(struct r300_context* r300, unsigned size, void* state)
     OUT_CS_REG(R300_GA_LINE_STIPPLE_VALUE, rs->line_stipple_value);
     OUT_CS_REG(R300_GA_POLY_MODE, rs->polygon_mode);
     OUT_CS_REG(R300_SC_CLIP_RULE, rs->clip_rule);
+    OUT_CS_REG(R300_GB_ENABLE, rs->stuffing_enable);
+    OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
+    OUT_CS_32F(rs->point_texcoord_left);
+    OUT_CS_32F(rs->point_texcoord_bottom);
+    OUT_CS_32F(rs->point_texcoord_right);
+    OUT_CS_32F(rs->point_texcoord_top);
     END_CS;
 }
 
@@ -981,6 +958,10 @@ void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
                                   vtx_mem_size / output_count, 10);
     unsigned pvs_num_controllers = MIN2(vtx_mem_size / temp_count, 6);
 
+    unsigned imm_first = vs->externals_count;
+    unsigned imm_end = vs->code.constants.Count;
+    unsigned imm_count = vs->immediates_count;
+
     CS_LOCALS(r300);
 
     BEGIN_CS(size);
@@ -1006,24 +987,44 @@ void r300_emit_vs_state(struct r300_context* r300, unsigned size, void* state)
             R300_PVS_NUM_FPUS(r300screen->caps.num_vert_fpus) |
             R300_PVS_VF_MAX_VTX_NUM(12) |
             (r300screen->caps.is_r500 ? R500_TCL_STATE_OPTIMIZATION : 0));
+
+    /* Emit immediates. */
+    if (imm_count) {
+        OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
+                   (r300->screen->caps.is_r500 ?
+                   R500_PVS_CONST_START : R300_PVS_CONST_START) +
+                   imm_first);
+        OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, imm_count * 4);
+        for (i = imm_first; i < imm_end; i++) {
+            const float *data = vs->code.constants.Constants[i].u.Immediate;
+            OUT_CS_32F(data[0]);
+            OUT_CS_32F(data[1]);
+            OUT_CS_32F(data[2]);
+            OUT_CS_32F(data[3]);
+        }
+    }
     END_CS;
 }
 
-void r300_emit_vs_constant_buffer(struct r300_context* r300,
-                                  struct rc_constant_list* constants)
+void r300_emit_vs_constants(struct r300_context* r300,
+                            unsigned size, void *state)
 {
     unsigned i;
+    unsigned count =
+        ((struct r300_vertex_shader*)r300->vs_state.state)->externals_count;
+    struct r300_constant_buffer *buf = (struct r300_constant_buffer*)state;
     CS_LOCALS(r300);
 
-    BEGIN_CS(constants->Count * 4 + 3);
+    if (!count)
+        return;
+
+    BEGIN_CS(size);
     OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
                (r300->screen->caps.is_r500 ?
                R500_PVS_CONST_START : R300_PVS_CONST_START));
-    OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->Count * 4);
-    for (i = 0; i < constants->Count; i++) {
-        const float *data = get_shader_constant(r300,
-                                                &constants->Constants[i],
-                                                &r300->shader_constants[PIPE_SHADER_VERTEX]);
+    OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, count * 4);
+    for (i = 0; i < count; i++) {
+        const float *data = buf->constants[i];
         OUT_CS_32F(data[0]);
         OUT_CS_32F(data[1]);
         OUT_CS_32F(data[2]);
@@ -1129,7 +1130,7 @@ validate:
         }
     }
     /* ...occlusion query buffer... */
-    if (r300->dirty_state & R300_NEW_QUERY) {
+    if (r300->query_start.dirty) {
         if (!r300_add_buffer(r300->rws, r300->oqbo,
                             0, RADEON_GEM_DOMAIN_GTT)) {
             r300->context.flush(&r300->context, 0, NULL);
@@ -1182,14 +1183,11 @@ unsigned r300_get_num_dirty_dwords(struct r300_context *r300)
     unsigned dwords = 0;
 
     foreach(atom, &r300->atom_list) {
-        if (atom->dirty || atom->always_dirty) {
+        if (atom->dirty) {
             dwords += atom->size;
         }
     }
 
-    /* XXX This is the compensation for the non-atomized states. */
-    dwords += 1024;
-
     return dwords;
 }
 
@@ -1199,41 +1197,13 @@ void r300_emit_dirty_state(struct r300_context* r300)
     struct r300_screen* r300screen = r300->screen;
     struct r300_atom* atom;
 
-    if (r300->dirty_state & R300_NEW_QUERY) {
-        r300_emit_query_start(r300);
-        r300->dirty_state &= ~R300_NEW_QUERY;
-    }
-
     foreach(atom, &r300->atom_list) {
-        if (atom->dirty || atom->always_dirty) {
+        if (atom->dirty) {
             atom->emit(r300, atom->size, atom->state);
             atom->dirty = FALSE;
         }
     }
 
-    if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER_CONSTANTS) {
-        if (r300screen->caps.is_r500) {
-            r500_emit_fs_constant_buffer(r300,
-                                         &r300_fs(r300)->shader->code.constants);
-            r500_emit_fs_constant_rc_state(r300,
-                                           &r300_fs(r300)->shader->code.constants);
-        } else {
-            r300_emit_fs_constant_buffer(r300,
-                                         &r300_fs(r300)->shader->code.constants);
-            r300_emit_fs_constant_rc_state(r300,
-                                           &r300_fs(r300)->shader->code.constants);
-        }
-        r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER_CONSTANTS;
-    }
-
-    if (r300->dirty_state & R300_NEW_VERTEX_SHADER_CONSTANTS) {
-        struct r300_vertex_shader* vs = r300->vs_state.state;
-        if (vs->code.constants.Count) {
-            r300_emit_vs_constant_buffer(r300, &vs->code.constants);
-        }
-        r300->dirty_state &= ~R300_NEW_VERTEX_SHADER_CONSTANTS;
-    }
-
     /* Emit the VBO for SWTCL. */
     if (!r300screen->caps.has_tcl) {
         r300_emit_vertex_buffer(r300);