Merge branch 'llvm-cliptest-viewport'
[mesa.git] / src / mesa / drivers / dri / i965 / brw_vs_surface_state.c
index 746d097d2379fdd623d6cd236c3eb333dbabae49..eabac511602f98d4e206d4932c827b174a8b0e85 100644 (file)
   */
 
 #include "main/mtypes.h"
-#include "main/texformat.h"
 #include "main/texstore.h"
-#include "shader/prog_parameter.h"
+#include "program/prog_parameter.h"
 
 #include "brw_context.h"
 #include "brw_state.h"
-#include "brw_defines.h"
 
 /* Creates a new VS constant buffer reflecting the current VS program's
  * constants, if needed by the VS program.
  * Otherwise, constants go through the CURBEs using the brw_constant_buffer
  * state atom.
  */
-static drm_intel_bo *
-brw_vs_update_constant_buffer(struct brw_context *brw)
+static void
+prepare_vs_constants(struct brw_context *brw)
 {
+   struct gl_context *ctx = &brw->intel.ctx;
    struct intel_context *intel = &brw->intel;
    struct brw_vertex_program *vp =
       (struct brw_vertex_program *) brw->vertex_program;
    const struct gl_program_parameter_list *params = vp->program.Base.Parameters;
    const int size = params->NumParameters * 4 * sizeof(GLfloat);
-   drm_intel_bo *const_buffer;
    int i;
 
-   /* BRW_NEW_VERTEX_PROGRAM */
-   if (!vp->use_const_buffer)
-      return NULL;
-
-   const_buffer = drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer",
-                                    size, 64);
-
-   /* _NEW_PROGRAM_CONSTANTS */
+   if (vp->program.IsNVProgram)
+      _mesa_load_tracked_matrices(ctx);
 
    /* Updates the ParamaterValues[i] pointers for all parameters of the
     * basic type of PROGRAM_STATE_VAR.
     */
    _mesa_load_state_parameters(&brw->intel.ctx, vp->program.Base.Parameters);
 
-   for (i = 0; i < params->NumParameters; i++) {
-      dri_bo_subdata(const_buffer, i * 4 * sizeof(float), 4 * sizeof(float),
-                    params->ParameterValues[i]);
+   /* BRW_NEW_VERTEX_PROGRAM */
+   if (!vp->use_const_buffer) {
+      if (brw->vs.const_bo) {
+        drm_intel_bo_unreference(brw->vs.const_bo);
+        brw->vs.const_bo = NULL;
+        brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF;
+      }
+      return;
    }
 
-   return const_buffer;
+   /* _NEW_PROGRAM_CONSTANTS */
+   drm_intel_bo_unreference(brw->vs.const_bo);
+   brw->vs.const_bo = drm_intel_bo_alloc(intel->bufmgr, "vp_const_buffer",
+                                        size, 64);
+
+   drm_intel_gem_bo_map_gtt(brw->vs.const_bo);
+   for (i = 0; i < params->NumParameters; i++) {
+      memcpy(brw->vs.const_bo->virtual + i * 4 * sizeof(float),
+            params->ParameterValues[i],
+            4 * sizeof(float));
+   }
+   drm_intel_gem_bo_unmap_gtt(brw->vs.const_bo);
+   brw->state.dirty.brw |= BRW_NEW_VS_CONSTBUF;
 }
 
+const struct brw_tracked_state brw_vs_constants = {
+   .dirty = {
+      .mesa = (_NEW_PROGRAM_CONSTANTS),
+      .brw = (BRW_NEW_VERTEX_PROGRAM),
+      .cache = 0
+   },
+   .prepare = prepare_vs_constants,
+};
+
 /**
  * Update the surface state for a VS constant buffer.
  *
  * Sets brw->vs.surf_bo[surf] and brw->vp->const_buffer.
  */
 static void
-brw_update_vs_constant_surface( GLcontext *ctx,
+brw_update_vs_constant_surface( struct gl_context *ctx,
                                 GLuint surf)
 {
    struct brw_context *brw = brw_context(ctx);
-   struct brw_surface_key key;
    struct brw_vertex_program *vp =
       (struct brw_vertex_program *) brw->vertex_program;
    const struct gl_program_parameter_list *params = vp->program.Base.Parameters;
 
    assert(surf == 0);
 
-   /* If we're in this state update atom, we need to update VS constants, so
-    * free the old buffer and create a new one for the new contents.
-    */
-   dri_bo_unreference(vp->const_buffer);
-   vp->const_buffer = brw_vs_update_constant_buffer(brw);
-
    /* If there's no constant buffer, then no surface BO is needed to point at
     * it.
     */
-   if (vp->const_buffer == 0) {
+   if (brw->vs.const_bo == NULL) {
       drm_intel_bo_unreference(brw->vs.surf_bo[surf]);
       brw->vs.surf_bo[surf] = NULL;
       return;
    }
 
-   memset(&key, 0, sizeof(key));
-
-   key.format = MESA_FORMAT_RGBA_FLOAT32;
-   key.internal_format = GL_RGBA;
-   key.bo = vp->const_buffer;
-   key.depthmode = GL_NONE;
-   key.pitch = params->NumParameters;
-   key.width = params->NumParameters;
-   key.height = 1;
-   key.depth = 1;
-   key.cpp = 16;
-
-   /*
-   printf("%s:\n", __FUNCTION__);
-   printf("  width %d  height %d  depth %d  cpp %d  pitch %d\n",
-          key.width, key.height, key.depth, key.cpp, key.pitch);
-   */
-
-   drm_intel_bo_unreference(brw->vs.surf_bo[surf]);
-   brw->vs.surf_bo[surf] = brw_search_cache(&brw->surface_cache,
-                                            BRW_SS_SURFACE,
-                                            &key, sizeof(key),
-                                            &key.bo, key.bo ? 1 : 0,
-                                            NULL);
-   if (brw->vs.surf_bo[surf] == NULL) {
-      brw->vs.surf_bo[surf] = brw_create_constant_surface(brw, &key);
-   }
+   brw_create_constant_surface(brw, brw->vs.const_bo, params->NumParameters,
+                              &brw->vs.surf_bo[surf],
+                              &brw->vs.surf_offset[surf]);
 }
 
 
-/**
- * Constructs the binding table for the VS surface state.
- */
-static dri_bo *
-brw_vs_get_binding_table(struct brw_context *brw)
+static void
+prepare_vs_surfaces(struct brw_context *brw)
 {
-   dri_bo *bind_bo;
-
-   bind_bo = brw_search_cache(&brw->surface_cache, BRW_SS_SURF_BIND,
-                             NULL, 0,
-                             brw->vs.surf_bo, BRW_VS_MAX_SURF,
-                             NULL);
-
-   if (bind_bo == NULL) {
-      GLuint data_size = BRW_VS_MAX_SURF * sizeof(GLuint);
-      uint32_t *data = malloc(data_size);
-      int i;
-
-      for (i = 0; i < BRW_VS_MAX_SURF; i++)
-         if (brw->vs.surf_bo[i])
-            data[i] = brw->vs.surf_bo[i]->offset;
-         else
-            data[i] = 0;
-
-      bind_bo = brw_upload_cache( &brw->surface_cache, BRW_SS_SURF_BIND,
-                                 NULL, 0,
-                                 brw->vs.surf_bo, BRW_VS_MAX_SURF,
-                                 data, data_size,
-                                 NULL, NULL);
-
-      /* Emit binding table relocations to surface state */
-      for (i = 0; i < BRW_VS_MAX_SURF; i++) {
-        if (brw->vs.surf_bo[i] != NULL) {
-           /* The presumed offsets were set in the data values for
-            * brw_upload_cache.
-            */
-           drm_intel_bo_emit_reloc(bind_bo, i * 4,
-                                   brw->vs.surf_bo[i], 0,
-                                   I915_GEM_DOMAIN_INSTRUCTION, 0);
-        }
-      }
+   int nr_surfaces = 0;
 
-      free(data);
+   if (brw->vs.const_bo) {
+      brw_add_validated_bo(brw, brw->vs.const_bo);
+      nr_surfaces = 1;
    }
 
-   return bind_bo;
+   if (brw->vs.nr_surfaces != nr_surfaces) {
+      brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
+      brw->vs.nr_surfaces = nr_surfaces;
+   }
 }
 
 /**
@@ -194,43 +149,50 @@ brw_vs_get_binding_table(struct brw_context *brw)
  * to be updated, and produces BRW_NEW_NR_VS_SURFACES for the VS unit and
  * CACHE_NEW_SURF_BIND for the binding table upload.
  */
-static void prepare_vs_surfaces(struct brw_context *brw )
+static void upload_vs_surfaces(struct brw_context *brw)
 {
-   GLcontext *ctx = &brw->intel.ctx;
+   struct gl_context *ctx = &brw->intel.ctx;
+   uint32_t *bind;
    int i;
-   int nr_surfaces = 0;
 
-   brw_update_vs_constant_surface(ctx, SURF_INDEX_VERT_CONST_BUFFER);
-
-   for (i = 0; i < BRW_VS_MAX_SURF; i++) {
-      if (brw->vs.surf_bo[i] != NULL) {
-        nr_surfaces = i + 1;
+   /* BRW_NEW_NR_VS_SURFACES */
+   if (brw->vs.nr_surfaces == 0) {
+      if (brw->vs.bind_bo) {
+        drm_intel_bo_unreference(brw->vs.bind_bo);
+        brw->vs.bind_bo = NULL;
+        brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;
       }
+      return;
    }
 
-   if (brw->vs.nr_surfaces != nr_surfaces) {
-      brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
-      brw->vs.nr_surfaces = nr_surfaces;
-   }
+   brw_update_vs_constant_surface(ctx, SURF_INDEX_VERT_CONST_BUFFER);
 
-   /* Note that we don't end up updating the bind_bo if we don't have a
-    * surface to be pointing at.  This should be relatively harmless, as it
-    * just slightly increases our working set size.
+   /* Might want to calculate nr_surfaces first, to avoid taking up so much
+    * space for the binding table. (once we have vs samplers)
     */
-   if (brw->vs.nr_surfaces != 0) {
-      dri_bo_unreference(brw->vs.bind_bo);
-      brw->vs.bind_bo = brw_vs_get_binding_table(brw);
+   bind = brw_state_batch(brw, sizeof(uint32_t) * BRW_VS_MAX_SURF,
+                         32, &brw->vs.bind_bo, &brw->vs.bind_bo_offset);
+
+   for (i = 0; i < BRW_VS_MAX_SURF; i++) {
+      /* BRW_NEW_VS_CONSTBUF */
+      if (brw->vs.surf_bo[i]) {
+        bind[i] = brw->vs.surf_offset[i];
+      } else {
+        bind[i] = 0;
+      }
    }
+
+   brw->state.dirty.brw |= BRW_NEW_BINDING_TABLE;
 }
 
 const struct brw_tracked_state brw_vs_surfaces = {
    .dirty = {
-      .mesa = (_NEW_PROGRAM_CONSTANTS),
-      .brw = (BRW_NEW_VERTEX_PROGRAM),
+      .mesa = 0,
+      .brw = (BRW_NEW_VS_CONSTBUF |
+             BRW_NEW_NR_VS_SURFACES |
+             BRW_NEW_BATCH),
       .cache = 0
    },
    .prepare = prepare_vs_surfaces,
+   .emit = upload_vs_surfaces,
 };
-
-
-