Checkpoint of a super-simplified i915 driver in the pipe model.

Doesn't yet compile, but when it does, it will only draw gouraud tris
and even those will be as simple as possible.  Needs some 'winsys' support
also before that can happen.

1 files changed, 122 insertions, 0 deletions

diff --git a/src/mesa/pipe/i915simple/i915_context.h b/src/mesa/pipe/i915simple/i915_context.h
new file mode 100644
index 0000000000..060997bfa4
--- /dev/null
+++ b/src/mesa/pipe/i915simple/i915_context.h
@@ -0,0 +1,122 @@
+ /**************************************************************************
+ * 
+ * Copyright 2003 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 I915_CONTEXT_H
+#define I915_CONTEXT_H
+
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+struct i915_context
+{
+   struct pipe_context pipe; 
+   struct i915_winsys *winsys;
+   struct draw_context *draw;
+
+   /* The most recent drawing state as set by the driver:
+    */
+   struct pipe_alpha_test_state alpha_test;
+   struct pipe_blend_state blend;
+   struct pipe_blend_color blend_color;
+   struct pipe_clear_color_state clear_color;
+   struct pipe_clip_state clip;
+   struct pipe_depth_state depth_test;
+   struct pipe_framebuffer_state framebuffer;
+   struct pipe_fs_state fs;
+   struct pipe_poly_stipple poly_stipple;
+   struct pipe_scissor_state scissor;
+   struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
+   struct pipe_setup_state setup;
+   struct pipe_stencil_state stencil;
+   struct pipe_texture_object *texture[PIPE_MAX_SAMPLERS];
+   struct pipe_viewport_state viewport;
+   GLuint dirty;
+
+   struct pipe_scissor_state cliprect;
+
+};
+
+#define I915_NEW_VIEWPORT      0x1
+#define I915_NEW_SETUP         0x2
+#define I915_NEW_FS            0x4
+#define I915_NEW_BLEND         0x8
+#define I915_NEW_CLIP         0x10
+#define I915_NEW_SCISSOR      0x20
+#define I915_NEW_STIPPLE      0x40
+#define I915_NEW_FRAMEBUFFER  0x80
+#define I915_NEW_ALPHA_TEST  0x100
+#define I915_NEW_DEPTH_TEST  0x200
+#define I915_NEW_SAMPLER     0x400
+#define I915_NEW_TEXTURE     0x800
+#define I915_NEW_STENCIL    0x1000
+
+
+/***********************************************************************
+ * i915_prim_emit.c: 
+ */
+struct draw_stage *i915_draw_render_stage( struct i915_context *i915 );
+
+
+/***********************************************************************
+ * i915_state_emit.c: 
+ */
+void i915_emit_hardware_state(struct i915_context *i915 );
+unsigned *i915_passthrough_program( unsigned *dwords );
+
+
+
+/***********************************************************************
+ * i915_clear.c: 
+ */
+void i915_clear(struct pipe_context *pipe, struct pipe_surface *ps,
+		GLuint clearValue);
+
+
+/***********************************************************************
+ * i915_buffer.c: 
+ */
+void i915_init_buffer_functions( struct i915_context *i915 );
+void i915_init_region_functions( struct i915_context *i915 );
+void i915_init_surface_functions( struct i915_context *i915 );
+void i915_init_state_functions( struct i915_context *i915 );
+
+
+
+/***********************************************************************
+ * Inline conversion functions.  These are better-typed than the
+ * macros used previously:
+ */
+static INLINE struct i915_context *
+i915_context( struct pipe_context *pipe )
+{
+   return (struct i915_context *)pipe;
+}
+
+
+
+#endif