New driver for i915 as well as older i830/i845/i865 chipsets.

1 files changed, 197 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i915/i830_context.h b/src/mesa/drivers/dri/i915/i830_context.h
new file mode 100644
index 00000000000..27948f0cf58
--- /dev/null
+++ b/src/mesa/drivers/dri/i915/i830_context.h
@@ -0,0 +1,197 @@
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ **************************************************************************/
+
+#ifndef I830CONTEXT_INC
+#define I830CONTEXT_INC
+
+#include "intel_context.h"
+
+#define I830_FALLBACK_TEXTURE		 0x1000
+#define I830_FALLBACK_COLORMASK		 0x2000
+#define I830_FALLBACK_STENCIL		 0x4000
+#define I830_FALLBACK_STIPPLE		 0x8000
+#define I830_FALLBACK_LOGICOP		 0x10000
+
+#define I830_UPLOAD_CTX              0x1
+#define I830_UPLOAD_BUFFERS          0x2
+#define I830_UPLOAD_STIPPLE          0x4
+#define I830_UPLOAD_TEX(i)           (0x10<<(i))
+#define I830_UPLOAD_TEXBLEND(i)      (0x100<<(i))
+#define I830_UPLOAD_TEX_ALL          (0x0f0)
+#define I830_UPLOAD_TEXBLEND_ALL     (0xf00)
+
+/* State structure offsets - these will probably disappear.
+ */
+#define I830_DESTREG_CBUFADDR0 0
+#define I830_DESTREG_CBUFADDR1 1
+#define I830_DESTREG_CBUFADDR2 2
+#define I830_DESTREG_DBUFADDR0 3
+#define I830_DESTREG_DBUFADDR1 4
+#define I830_DESTREG_DBUFADDR2 5
+#define I830_DESTREG_DV0 6
+#define I830_DESTREG_DV1 7
+#define I830_DESTREG_SENABLE 8
+#define I830_DESTREG_SR0 9
+#define I830_DESTREG_SR1 10
+#define I830_DESTREG_SR2 11
+#define I830_DEST_SETUP_SIZE 12
+
+#define I830_CTXREG_STATE1		0
+#define I830_CTXREG_STATE2		1
+#define I830_CTXREG_STATE3		2
+#define I830_CTXREG_STATE4		3
+#define I830_CTXREG_STATE5		4
+#define I830_CTXREG_IALPHAB		5
+#define I830_CTXREG_STENCILTST		6
+#define I830_CTXREG_ENABLES_1		7
+#define I830_CTXREG_ENABLES_2		8
+#define I830_CTXREG_AA			9
+#define I830_CTXREG_FOGCOLOR		10
+#define I830_CTXREG_BLENDCOLOR0		11
+#define I830_CTXREG_BLENDCOLOR1		12 
+#define I830_CTXREG_VF			13
+#define I830_CTXREG_VF2			14
+#define I830_CTXREG_MCSB0		15
+#define I830_CTXREG_MCSB1		16
+#define I830_CTX_SETUP_SIZE		17
+
+#define I830_STPREG_ST0        0
+#define I830_STPREG_ST1        1
+#define I830_STP_SETUP_SIZE    2
+
+#define I830_TEXREG_TM0LI      0 /* load immediate 2 texture map n */
+#define I830_TEXREG_TM0S0      1
+#define I830_TEXREG_TM0S1      2
+#define I830_TEXREG_TM0S2      3
+#define I830_TEXREG_TM0S3      4
+#define I830_TEXREG_TM0S4      5
+#define I830_TEXREG_MCS	      6	/* _3DSTATE_MAP_COORD_SETS */
+#define I830_TEX_SETUP_SIZE    7
+
+#define I830_TEXBLEND_SIZE	12	/* (4 args + op) * 2 + COLOR_FACTOR */
+
+struct i830_texture_object
+{
+   struct intel_texture_object intel;
+   GLuint Setup[I830_TEX_SETUP_SIZE];
+};
+
+#define I830_TEX_UNITS 4
+
+struct i830_hw_state {
+   GLuint Ctx[I830_CTX_SETUP_SIZE];
+   GLuint Buffer[I830_DEST_SETUP_SIZE];
+   GLuint Stipple[I830_STP_SETUP_SIZE];
+   GLuint Tex[I830_TEX_UNITS][I830_TEX_SETUP_SIZE];
+   GLuint TexBlend[I830_TEX_UNITS][I830_TEXBLEND_SIZE];
+   GLuint TexBlendWordsUsed[I830_TEX_UNITS];
+   GLuint emitted;		/* I810_UPLOAD_* */
+   GLuint active;
+};
+
+struct i830_context 
+{
+   struct intel_context intel;
+   
+   GLuint last_index;
+
+   struct i830_hw_state meta, initial, state, *current;
+};
+
+typedef struct i830_context *i830ContextPtr;
+typedef struct i830_texture_object *i830TextureObjectPtr;
+
+#define I830_CONTEXT(ctx)	((i830ContextPtr)(ctx))
+
+
+
+#define I830_STATECHANGE(i830, flag)				\
+do {								\
+   INTEL_FIREVERTICES( &i830->intel );				\
+   i830->state.emitted &= ~flag;					\
+} while (0)
+
+#define I830_ACTIVESTATE(i830, flag, mode)	\
+do {						\
+   INTEL_FIREVERTICES( &i830->intel );		\
+   if (mode)					\
+      i830->state.active |= flag;		\
+   else						\
+      i830->state.active &= ~flag;		\
+} while (0)
+
+/* i830_vtbl.c
+ */
+extern void 
+i830InitVtbl( i830ContextPtr i830 );
+
+/* i830_context.c
+ */
+extern GLboolean 
+i830CreateContext( const __GLcontextModes *mesaVis,
+		   __DRIcontextPrivate *driContextPriv,
+		   void *sharedContextPrivate);
+
+/* i830_tex.c, i830_texstate.c
+ */
+extern void 
+i830UpdateTextureState( intelContextPtr intel );
+
+extern void 
+i830InitTextureFuncs( struct dd_function_table *functions );
+
+extern intelTextureObjectPtr
+i830AllocTexObj( struct gl_texture_object *tObj );
+
+/* i830_texblend.c
+ */
+extern GLuint 
+i830SetBlend_GL1_2(i830ContextPtr i830, int unit, 
+		   GLenum envMode, GLenum format,
+		   GLuint texel_op,
+		   GLuint *state,
+		   const GLfloat *envcolor );
+
+extern void 
+i830EmitTextureBlend( i830ContextPtr i830 );
+
+
+/* i830_state.c
+ */
+extern void 
+i830InitStateFuncs( struct dd_function_table *functions );
+
+extern void 
+i830EmitState( i830ContextPtr i830 );
+
+extern void 
+i830InitState( i830ContextPtr i830 );
+
+/* i830_metaops.c
+ */
+extern GLboolean
+i830TryTextureReadPixels( GLcontext *ctx,
+			  GLint x, GLint y, GLsizei width, GLsizei height,
+			  GLenum format, GLenum type,
+			  const struct gl_pixelstore_attrib *pack,
+			  GLvoid *pixels );
+
+extern GLboolean
+i830TryTextureDrawPixels( GLcontext *ctx,
+			  GLint x, GLint y, GLsizei width, GLsizei height,
+			  GLenum format, GLenum type,
+			  const struct gl_pixelstore_attrib *unpack,
+			  const GLvoid *pixels );
+
+extern void 
+i830ClearWithTris( intelContextPtr intel, GLbitfield mask,
+		   GLboolean all, GLint cx, GLint cy, GLint cw, GLint ch);
+
+
+	
+#endif
+