s/Tungsten Graphics/VMware/
[mesa.git] / src / mesa / drivers / dri / i965 / brw_vs_surface_state.c
index 22ff3410aeb8b4d25f8a52d6fabc2c4a6dd7aeb6..e3fa6386941c41b82d98b2ae74615464db9a4f69 100644 (file)
@@ -1,6 +1,6 @@
 /*
  Copyright (C) Intel Corp.  2006.  All Rights Reserved.
 /*
  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
  develop this 3D driver.
 
  Permission is hereby granted, free of charge, to any person obtaining
  **********************************************************************/
  /*
   * Authors:
  **********************************************************************/
  /*
   * Authors:
-  *   Keith Whitwell <keith@tungstengraphics.com>
+  *   Keith Whitwell <keithw@vmware.com>
   */
 
 #include "main/mtypes.h"
   */
 
 #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"
 
 
 #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;
    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.
     */
 
    /* 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);
+   _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;
+   }
 
 
-   intel_bo_map_gtt_preferred(intel, const_buffer, GL_TRUE);
-   for (i = 0; i < params->NumParameters; i++) {
-      memcpy(const_buffer->virtual + i * 4 * sizeof(float),
-            params->ParameterValues[i],
-            4 * sizeof(float));
+   /* _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);
+
+   drm_intel_gem_bo_map_gtt(stage_state->const_bo);
+
+   for (i = 0; i < prog_data->nr_pull_params; i++) {
+      memcpy(stage_state->const_bo->virtual + i * 4,
+            prog_data->pull_param[i],
+            4);
+   }
+
+   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]);
+      }
    }
    }
-   intel_bo_unmap_gtt_preferred(intel, const_buffer);
 
 
-   return const_buffer;
+   drm_intel_gem_bo_unmap_gtt(stage_state->const_bo);
+
+   brw_create_constant_surface(brw, stage_state->const_bo, 0, size,
+                               &stage_state->surf_offset[surf_index],
+                               false);
+
+   brw->state.dirty.brw |= brw_new_constbuf;
 }
 
 }
 
-/**
- * Update the surface state for a VS constant buffer.
+
+/* Creates a new VS constant buffer reflecting the current VS program's
+ * constants, if needed by the VS program.
  *
  *
- * Sets brw->vs.surf_bo[surf] and brw->vp->const_buffer.
+ * Otherwise, constants go through the CURBEs using the brw_constant_buffer
+ * state atom.
  */
 static void
  */
 static void
-brw_update_vs_constant_surface( GLcontext *ctx,
-                                GLuint surf)
+brw_upload_vs_pull_constants(struct brw_context *brw)
 {
 {
-   struct brw_context *brw = brw_context(ctx);
-   struct brw_surface_key key;
+   struct brw_stage_state *stage_state = &brw->vs.base;
+
+   /* BRW_NEW_VERTEX_PROGRAM */
    struct brw_vertex_program *vp =
       (struct brw_vertex_program *) brw->vertex_program;
    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);
+   /* CACHE_NEW_VS_PROG */
+   const struct brw_vec4_prog_data *prog_data = &brw->vs.prog_data->base;
 
 
-   /* If there's no constant buffer, then no surface BO is needed to point at
-    * it.
-    */
-   if (vp->const_buffer == 0) {
-      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);
-   }
+   /* _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_pull_constants = {
+   .dirty = {
+      .mesa = (_NEW_PROGRAM_CONSTANTS),
+      .brw = (BRW_NEW_BATCH | BRW_NEW_VERTEX_PROGRAM),
+      .cache = CACHE_NEW_VS_PROG,
+   },
+   .emit = brw_upload_vs_pull_constants,
+};
 
 
-/**
- * Constructs the binding table for the VS surface state.
- */
-static dri_bo *
-brw_vs_get_binding_table(struct brw_context *brw)
+static void
+brw_upload_vs_ubo_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);
-        }
-      }
+   struct gl_context *ctx = &brw->ctx;
+   /* _NEW_PROGRAM */
+   struct gl_shader_program *prog = ctx->Shader.CurrentVertexProgram;
 
 
-      free(data);
-   }
+   if (!prog)
+      return;
 
 
-   return bind_bo;
+   /* CACHE_NEW_VS_PROG */
+   brw_upload_ubo_surfaces(brw, prog->_LinkedShaders[MESA_SHADER_VERTEX],
+                          &brw->vs.base, &brw->vs.prog_data->base.base);
 }
 
 }
 
-/**
- * Vertex shader surfaces (constant buffer).
- *
- * 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.
- */
-static void prepare_vs_surfaces(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);
-
-   for (i = 0; i < BRW_VS_MAX_SURF; i++) {
-      if (brw->vs.surf_bo[i] != NULL) {
-        nr_surfaces = i + 1;
-      }
-   }
-
-   if (brw->vs.nr_surfaces != nr_surfaces) {
-      brw->state.dirty.brw |= BRW_NEW_NR_VS_SURFACES;
-      brw->vs.nr_surfaces = nr_surfaces;
-   }
+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,
+};
 
 
-   /* 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) {
-      dri_bo_unreference(brw->vs.bind_bo);
-      brw->vs.bind_bo = brw_vs_get_binding_table(brw);
+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_surfaces = {
+const struct brw_tracked_state brw_vs_abo_surfaces = {
    .dirty = {
    .dirty = {
-      .mesa = (_NEW_PROGRAM_CONSTANTS),
-      .brw = (BRW_NEW_VERTEX_PROGRAM),
-      .cache = 0
+      .mesa = _NEW_PROGRAM,
+      .brw = BRW_NEW_BATCH | BRW_NEW_ATOMIC_BUFFER,
+      .cache = CACHE_NEW_VS_PROG,
    },
    },
-   .prepare = prepare_vs_surfaces,
+   .emit = brw_upload_vs_abo_surfaces,
 };
 };
-
-
-