1 files changed, 140 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_context.h b/src/gallium/drivers/llvmpipe/lp_setup_context.h
new file mode 100644
index 0000000000..848705e099
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_setup_context.h
@@ -0,0 +1,140 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+#ifndef LP_SETUP_CONTEXT_H
+#define LP_SETUP_CONTEXT_H
+
+struct clear_tile {
+   boolean do_color;
+   boolean do_depth_stencil;
+   unsigned rgba;
+   unsigned depth_stencil;
+};
+
+struct load_tile {
+   boolean do_color;
+   boolean do_depth_stencil;
+};
+
+/* Shade tile points directly at this:
+ */
+struct shader_inputs {
+   /* Some way of updating rasterizer state:
+    */
+   /* ??? */
+
+   /* Attribute interpolation:
+    */
+   float oneoverarea;
+   float x1;
+   float y1;
+
+   struct tgsi_interp_coef position_coef;
+   struct tgsi_interp_coef *coef;
+};
+
+/* Shade triangle points at this:
+ */
+struct shade_triangle {
+   /* one-pixel sized trivial accept offsets for each plane */
+   float ei1;                   
+   float ei2;
+   float ei3;
+
+   /* one-pixel sized trivial reject offsets for each plane */
+   float eo1;                   
+   float eo2;
+   float eo3;
+
+   /* y deltas for vertex pairs */
+   float dy12;
+   float dy23;
+   float dy31;
+
+   /* x deltas for vertex pairs */
+   float dx12;
+   float dx23;
+   float dx31;
+   
+   struct shader_inputs inputs;
+};
+
+struct bin_cmd {
+   enum {
+      CMD_END = 0,
+      CMD_CLEAR,
+      CMD_LOAD_TILE,
+      CMD_SHADE_TILE,
+      CMD_SHADE_TRIANGLE,
+   } cmd;
+
+   union {
+      struct triangle *tri;
+      struct clear *clear;
+   } ptr;
+};
+
+struct cmd_block {
+   struct bin_cmd cmds[128];
+   unsigned count;
+   struct cmd_block *next;
+};
+
+/* Triangles
+ */
+struct data_block {
+   ubyte data[4096 - sizeof(unsigned) - sizeof(struct cmd_block *)];
+   unsigned count;
+   struct data_block *next;
+};
+
+/* Need to store the state at the time the triangle was drawn, at
+ * least as it is needed during rasterization.  That would include at
+ * minimum the constant values referred to by the fragment shader,
+ * blend state, etc.  Much of this is code-generated into the shader
+ * in llvmpipe -- may be easier to do this work there.
+ */
+struct state_block {
+};
+
+
+/**
+ * Basically all the data from a binner scene:
+ */
+struct binned_scene {
+   struct llvmpipe_context *llvmpipe;
+
+   struct cmd_block *bin[MAX_HEIGHT / BIN_SIZE][MAX_WIDTH / BIN_SIZE];
+   struct data_block *data;
+};
+
+static INLINE struct triangle *get_triangle( struct setup_context *setup )
+{
+   if (setup->triangles->count == TRIANGLE_BLOCK_COUNT)
+      return setup_triangle_from_new_block( setup );
+
+   return &setup->triangles[setup->triangles->count++];
+}