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Diffstat (limited to 'src/mesa/drivers/dri/i915/i830_context.h')
-rw-r--r--src/mesa/drivers/dri/i915/i830_context.h197
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 0000000000..27948f0cf5
--- /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
+