s/Tungsten Graphics/VMware/
[mesa.git] / src / mesa / drivers / dri / i965 / brw_vs_surface_state.c
index 9bc585586cd47917a5ec5b904bb94bd730847749..e3fa6386941c41b82d98b2ae74615464db9a4f69 100644 (file)
@@ -1,6 +1,6 @@
 /*
  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
  develop this 3D driver.
 
  Permission is hereby granted, free of charge, to any person obtaining
  **********************************************************************/
  /*
   * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
+  *   Keith Whitwell <keithw@vmware.com>
   */
 
 #include "main/mtypes.h"
-#include "main/texstore.h"
-#include "shader/prog_parameter.h"
+#include "program/prog_parameter.h"
 
 #include "brw_context.h"
 #include "brw_state.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)
+
+void
+brw_upload_vec4_pull_constants(struct brw_context *brw,
+                               GLbitfield brw_new_constbuf,
+                               const struct gl_program *prog,
+                               struct brw_stage_state *stage_state,
+                               const struct brw_vec4_prog_data *prog_data)
 {
-   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 */
+   uint32_t surf_index = prog_data->base.binding_table.pull_constants_start;
 
    /* 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);
-
-   drm_intel_gem_bo_map_gtt(const_buffer);
-   for (i = 0; i < params->NumParameters; i++) {
-      memcpy(const_buffer->virtual + i * 4 * sizeof(float),
-            params->ParameterValues[i],
-            4 * sizeof(float));
+   _mesa_load_state_parameters(&brw->ctx, prog->Parameters);
+
+   if (!prog_data->nr_pull_params) {
+      if (stage_state->const_bo) {
+        drm_intel_bo_unreference(stage_state->const_bo);
+        stage_state->const_bo = NULL;
+        stage_state->surf_offset[surf_index] = 0;
+        brw->state.dirty.brw |= brw_new_constbuf;
+      }
+      return;
    }
-   drm_intel_gem_bo_unmap_gtt(const_buffer);
 
-   return const_buffer;
-}
-
-/**
- * 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,
-                                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;
+   /* _NEW_PROGRAM_CONSTANTS */
+   drm_intel_bo_unreference(stage_state->const_bo);
+   uint32_t size = prog_data->nr_pull_params * 4;
+   stage_state->const_bo = drm_intel_bo_alloc(brw->bufmgr, "vec4_const_buffer",
+                                           size, 64);
 
-   assert(surf == 0);
+   drm_intel_gem_bo_map_gtt(stage_state->const_bo);
 
-   /* 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.
-    */
-   drm_intel_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 == NULL) {
-      drm_intel_bo_unreference(brw->vs.surf_bo[surf]);
-      brw->vs.surf_bo[surf] = NULL;
-      return;
+   for (i = 0; i < prog_data->nr_pull_params; i++) {
+      memcpy(stage_state->const_bo->virtual + i * 4,
+            prog_data->pull_param[i],
+            4);
    }
 
-   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, 1,
-                                            NULL);
-   if (brw->vs.surf_bo[surf] == NULL) {
-      brw->vs.surf_bo[surf] = brw_create_constant_surface(brw, &key);
+   if (0) {
+      for (i = 0; i < ALIGN(prog_data->nr_pull_params, 4) / 4; i++) {
+        float *row = (float *)stage_state->const_bo->virtual + i * 4;
+        printf("const surface %3d: %4.3f %4.3f %4.3f %4.3f\n",
+               i, row[0], row[1], row[2], row[3]);
+      }
    }
-}
 
+   drm_intel_gem_bo_unmap_gtt(stage_state->const_bo);
 
-/**
- * Constructs the binding table for the VS surface state.
- */
-static drm_intel_bo *
-brw_vs_get_binding_table(struct brw_context *brw)
-{
-   drm_intel_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[BRW_VS_MAX_SURF];
-      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);
-
-      /* 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);
-        }
-      }
-   }
+   brw_create_constant_surface(brw, stage_state->const_bo, 0, size,
+                               &stage_state->surf_offset[surf_index],
+                               false);
 
-   return bind_bo;
+   brw->state.dirty.brw |= brw_new_constbuf;
 }
 
-/**
- * Vertex shader surfaces (constant buffer).
+
+/* Creates a new VS constant buffer reflecting the current VS program's
+ * constants, if needed by the VS program.
  *
- * This consumes the state updates for the constant buffer needing
- * to be updated, and produces BRW_NEW_NR_VS_SURFACES for the VS unit and
- * CACHE_NEW_SURF_BIND for the binding table upload.
+ * Otherwise, constants go through the CURBEs using the brw_constant_buffer
+ * state atom.
  */
-static void prepare_vs_surfaces(struct brw_context *brw )
+static void
+brw_upload_vs_pull_constants(struct brw_context *brw)
 {
-   GLcontext *ctx = &brw->intel.ctx;
-   int i;
-   int nr_surfaces = 0;
-
-   brw_update_vs_constant_surface(ctx, SURF_INDEX_VERT_CONST_BUFFER);
+   struct brw_stage_state *stage_state = &brw->vs.base;
 
-   for (i = 0; i < BRW_VS_MAX_SURF; i++) {
-      if (brw->vs.surf_bo[i] != NULL) {
-        nr_surfaces = i + 1;
-      }
-   }
+   /* BRW_NEW_VERTEX_PROGRAM */
+   struct brw_vertex_program *vp =
+      (struct brw_vertex_program *) brw->vertex_program;
 
-   if (brw->vs.nr_surfaces != nr_surfaces) {
-      brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
-      brw->vs.nr_surfaces = nr_surfaces;
-   }
+   /* CACHE_NEW_VS_PROG */
+   const struct brw_vec4_prog_data *prog_data = &brw->vs.prog_data->base;
 
-   /* 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.
-    */
-   if (brw->vs.nr_surfaces != 0) {
-      drm_intel_bo_unreference(brw->vs.bind_bo);
-      brw->vs.bind_bo = brw_vs_get_binding_table(brw);
-   }
+   /* _NEW_PROGRAM_CONSTANTS */
+   brw_upload_vec4_pull_constants(brw, BRW_NEW_VS_CONSTBUF, &vp->program.Base,
+                                  stage_state, prog_data);
 }
 
-const struct brw_tracked_state brw_vs_surfaces = {
+const struct brw_tracked_state brw_vs_pull_constants = {
    .dirty = {
       .mesa = (_NEW_PROGRAM_CONSTANTS),
-      .brw = (BRW_NEW_VERTEX_PROGRAM),
-      .cache = 0
+      .brw = (BRW_NEW_BATCH | BRW_NEW_VERTEX_PROGRAM),
+      .cache = CACHE_NEW_VS_PROG,
    },
-   .prepare = prepare_vs_surfaces,
+   .emit = brw_upload_vs_pull_constants,
 };
 
+static void
+brw_upload_vs_ubo_surfaces(struct brw_context *brw)
+{
+   struct gl_context *ctx = &brw->ctx;
+   /* _NEW_PROGRAM */
+   struct gl_shader_program *prog = ctx->Shader.CurrentVertexProgram;
 
+   if (!prog)
+      return;
+
+   /* CACHE_NEW_VS_PROG */
+   brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX],
+                          &brw->vs.base, &brw->vs.prog_data->base.base);
+}
+
+const struct brw_tracked_state brw_vs_ubo_surfaces = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM,
+      .brw = BRW_NEW_BATCH | BRW_NEW_UNIFORM_BUFFER,
+      .cache = CACHE_NEW_VS_PROG,
+   },
+   .emit = brw_upload_vs_ubo_surfaces,
+};
 
+static void
+brw_upload_vs_abo_surfaces(struct brw_context *brw)
+{
+   struct gl_context *ctx = &brw->ctx;
+   /* _NEW_PROGRAM */
+   struct gl_shader_program *prog = ctx->Shader.CurrentVertexProgram;
+
+   if (prog) {
+      /* CACHE_NEW_VS_PROG */
+      brw_upload_abo_surfaces(brw, prog, &brw->vs.base,
+                              &brw->vs.prog_data->base.base);
+   }
+}
+
+const struct brw_tracked_state brw_vs_abo_surfaces = {
+   .dirty = {
+      .mesa = _NEW_PROGRAM,
+      .brw = BRW_NEW_BATCH | BRW_NEW_ATOMIC_BUFFER,
+      .cache = CACHE_NEW_VS_PROG,
+   },
+   .emit = brw_upload_vs_abo_surfaces,
+};