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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.h
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.h')
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diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.h b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.h
new file mode 100644
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+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i830/i830_context.h
@@ -0,0 +1,327 @@
+/*
+ * GLX Hardware Device Driver for Intel i830
+ * Copyright (C) 1999 Keith Whitwell
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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.
+ *
+ */
+
+/* Adapted for use in the I830M driver:
+ * Jeff Hartmann <jhartmann@2d3d.com>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_context.h,v 1.7 2003/02/06 04:18:01 dawes Exp $ */
+
+#ifndef I830CONTEXT_INC
+#define I830CONTEXT_INC
+
+typedef struct i830_context_t i830Context;
+typedef struct i830_context_t *i830ContextPtr;
+typedef struct i830_texture_object_t *i830TextureObjectPtr;
+
+
+#include "mtypes.h"
+#include "drm.h"
+#include "mm.h"
+#include "tnl/t_vertex.h"
+
+#include "i830_screen.h"
+#include "i830_tex.h"
+
+#define TAG(x) i830##x
+#include "tnl_dd/t_dd_vertex.h"
+#undef TAG
+
+#define DV_PF_555 (1<<8)
+#define DV_PF_565 (2<<8)
+#define DV_PF_8888 (3<<8)
+
+#define I830_TEX_MAXLEVELS 10
+
+#define I830_CONTEXT(ctx) ((i830ContextPtr)(ctx->DriverCtx))
+#define GET_DISPATCH_AGE(imesa) imesa->sarea->last_dispatch
+#define GET_ENQUEUE_AGE(imesa) imesa->sarea->last_enqueue
+
+
+typedef void (*i830_tri_func)(i830ContextPtr, i830Vertex *, i830Vertex *,
+ i830Vertex *);
+typedef void (*i830_line_func)(i830ContextPtr, i830Vertex *, i830Vertex *);
+typedef void (*i830_point_func)(i830ContextPtr, i830Vertex *);
+
+#define I830_MAX_TEXTURE_UNITS 4
+
+#define I830_FALLBACK_TEXTURE 0x1
+#define I830_FALLBACK_DRAW_BUFFER 0x2
+#define I830_FALLBACK_READ_BUFFER 0x4
+#define I830_FALLBACK_COLORMASK 0x8
+#define I830_FALLBACK_RENDERMODE 0x10
+#define I830_FALLBACK_STENCIL 0x20
+#define I830_FALLBACK_STIPPLE 0x40
+#define I830_FALLBACK_USER 0x80
+
+struct i830_context_t
+{
+ GLint refcount;
+ GLcontext *glCtx;
+
+ /*From I830 stuff*/
+ int TextureMode;
+ GLuint renderindex;
+ GLuint TexBlendWordsUsed[I830_MAX_TEXTURE_UNITS];
+ GLuint TexBlend[I830_MAX_TEXTURE_UNITS][I830_TEXBLEND_SIZE];
+ GLuint Init_TexBlend[I830_MAX_TEXTURE_UNITS][I830_TEXBLEND_SIZE];
+ GLuint Init_TexBlendWordsUsed[I830_MAX_TEXTURE_UNITS];
+ GLuint Init_BufferSetup[I830_DEST_SETUP_SIZE];
+ GLuint LodBias[I830_MAX_TEXTURE_UNITS];
+
+ GLenum palette_format;
+ GLuint palette[256];
+
+
+ GLuint Init_Setup[I830_CTX_SETUP_SIZE];
+ GLuint vertex_prim;
+ drmBufPtr vertex_dma_buffer;
+
+ GLboolean mask_red;
+ GLboolean mask_green;
+ GLboolean mask_blue;
+ GLboolean mask_alpha;
+
+ GLubyte clear_red;
+ GLubyte clear_green;
+ GLubyte clear_blue;
+ GLubyte clear_alpha;
+
+ GLfloat depth_scale;
+ int depth_clear_mask;
+ int stencil_clear_mask;
+ int ClearDepth;
+ int hw_stencil;
+
+ GLuint MonoColor;
+
+ GLuint LastTexEnabled;
+ GLuint TexEnabledMask;
+
+ /* Texture object bookkeeping
+ */
+ unsigned nr_heaps;
+ driTexHeap * texture_heaps[1];
+ driTextureObject swapped;
+
+ struct i830_texture_object_t *CurrentTexObj[I830_MAX_TEXTURE_UNITS];
+
+ /* Rasterization and vertex state:
+ */
+ GLuint Fallback;
+ GLuint NewGLState;
+
+ /* Vertex state
+ */
+ GLuint vertex_size;
+ struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
+ GLuint vertex_attr_count;
+ char *verts; /* points to tnl->clipspace.vertex_buf */
+
+
+ /* State for i830tris.c.
+ */
+ GLuint RenderIndex;
+ GLmatrix ViewportMatrix;
+ GLenum render_primitive;
+ GLenum reduced_primitive;
+ GLuint hw_primitive;
+
+ drmBufPtr vertex_buffer;
+ char *vertex_addr;
+ GLuint vertex_low;
+ GLuint vertex_high;
+ GLuint vertex_last_prim;
+
+ GLboolean upload_cliprects;
+
+
+ /* Fallback rasterization functions
+ */
+ i830_point_func draw_point;
+ i830_line_func draw_line;
+ i830_tri_func draw_tri;
+
+ /* Hardware state
+ */
+ GLuint dirty; /* I810_UPLOAD_* */
+ GLuint Setup[I830_CTX_SETUP_SIZE];
+ GLuint BufferSetup[I830_DEST_SETUP_SIZE];
+ GLuint StippleSetup[I830_STP_SETUP_SIZE];
+ unsigned int lastStamp;
+ GLboolean hw_stipple;
+
+ GLenum TexEnvImageFmt[2];
+
+ /* State which can't be computed completely on the fly:
+ */
+ GLuint LcsCullMode;
+ GLuint LcsLineWidth;
+ GLuint LcsPointSize;
+
+ /* Funny mesa mirrors
+ */
+ GLuint ClearColor;
+
+ /* DRI stuff
+ */
+ GLuint needClip;
+ GLframebuffer *glBuffer;
+
+ /* These refer to the current draw (front vs. back) buffer:
+ */
+ char *drawMap; /* draw buffer address in virtual mem */
+ char *readMap;
+ int drawX; /* origin of drawable in draw buffer */
+ int drawY;
+ GLuint numClipRects; /* cliprects for that buffer */
+ drm_clip_rect_t *pClipRects;
+
+ int lastSwap;
+ int texAge;
+ int ctxAge;
+ int dirtyAge;
+ int perf_boxes;
+
+ int do_irqs;
+
+ GLboolean scissor;
+ drm_clip_rect_t draw_rect;
+ drm_clip_rect_t scissor_rect;
+
+ drm_context_t hHWContext;
+ drmLock *driHwLock;
+ int driFd;
+
+ __DRIdrawablePrivate *driDrawable; /**< DRI drawable bound to this
+ * context for drawing.
+ */
+ __DRIdrawablePrivate *driReadable; /**< DRI drawable bound to this
+ * context for reading.
+ */
+
+ /**
+ * Drawable used by Mesa for software fallbacks for reading and
+ * writing. It is set by Mesa's \c SetBuffer callback, and will always be
+ * either \c i830_context_t::driDrawable or \c i830_context_t::driReadable.
+ */
+
+ __DRIdrawablePrivate * mesa_drawable;
+
+ __DRIscreenPrivate *driScreen;
+ i830ScreenPrivate *i830Screen;
+ I830SAREAPtr sarea;
+
+ /**
+ * Configuration cache
+ */
+ driOptionCache optionCache;
+};
+
+
+#define I830_TEX_UNIT_ENABLED(unit) (1<<unit)
+#define VALID_I830_TEXTURE_OBJECT(tobj) (tobj)
+
+#define I830_CONTEXT(ctx) ((i830ContextPtr)(ctx->DriverCtx))
+#define I830_DRIVER_DATA(vb) ((i830VertexBufferPtr)((vb)->driver_data))
+#define GET_DISPATCH_AGE(imesa) imesa->sarea->last_dispatch
+#define GET_ENQUEUE_AGE(imesa) imesa->sarea->last_enqueue
+
+
+/* Lock the hardware and validate our state.
+ */
+#define LOCK_HARDWARE( imesa ) \
+do { \
+ char __ret=0; \
+ DRM_CAS(imesa->driHwLock, imesa->hHWContext, \
+ (DRM_LOCK_HELD|imesa->hHWContext), __ret); \
+ if (__ret) \
+ i830GetLock( imesa, 0 ); \
+}while (0)
+
+
+ /* Unlock the hardware using the global current context
+ */
+#define UNLOCK_HARDWARE(imesa) \
+do { \
+ imesa->perf_boxes |= imesa->sarea->perf_boxes; \
+ DRM_UNLOCK(imesa->driFd, imesa->driHwLock, imesa->hHWContext); \
+} while (0)
+
+ /* This is the wrong way to do it, I'm sure. Otherwise the drm
+ * bitches that I've already got the heavyweight lock. At worst,
+ * this is 3 ioctls. The best solution probably only gets me down
+ * to 2 ioctls in the worst case.
+ */
+#define LOCK_HARDWARE_QUIESCENT( imesa ) do { \
+ LOCK_HARDWARE( imesa ); \
+ i830RegetLockQuiescent( imesa ); \
+} while(0)
+
+
+
+extern void i830GetLock(i830ContextPtr imesa, GLuint flags);
+extern void i830EmitHwStateLocked(i830ContextPtr imesa);
+extern void i830EmitDrawingRectangle(i830ContextPtr imesa);
+extern void i830XMesaSetBackClipRects(i830ContextPtr imesa);
+extern void i830XMesaSetFrontClipRects(i830ContextPtr imesa);
+extern void i830DDExtensionsInit(GLcontext *ctx);
+extern void i830DDInitDriverFuncs(GLcontext *ctx);
+extern void i830DDUpdateHwState(GLcontext *ctx);
+
+#define SUBPIXEL_X 0.125
+#define SUBPIXEL_Y 0.125
+
+
+/* ================================================================
+ * Debugging:
+ */
+#define DO_DEBUG 1
+#if DO_DEBUG
+extern int I830_DEBUG;
+#else
+#define I830_DEBUG 0
+#endif
+
+#define DEBUG_TEXTURE 0x1
+#define DEBUG_STATE 0x2
+#define DEBUG_IOCTL 0x4
+#define DEBUG_PRIMS 0x8
+#define DEBUG_VERTS 0x10
+#define DEBUG_FALLBACKS 0x20
+#define DEBUG_VERBOSE 0x40
+#define DEBUG_DRI 0x80
+#define DEBUG_DMA 0x100
+#define DEBUG_SANITY 0x200
+#define DEBUG_SYNC 0x400
+#define DEBUG_SLEEP 0x800
+
+
+#define PCI_CHIP_845_G 0x2562
+#define PCI_CHIP_I830_M 0x3577
+#define PCI_CHIP_I855_GM 0x3582
+#define PCI_CHIP_I865_G 0x2572
+
+
+#endif
+