diff options
Diffstat (limited to 'src/mesa/drivers/dri/i830/i830_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/i830/i830_context.h | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i830/i830_context.h b/src/mesa/drivers/dri/i830/i830_context.h new file mode 100644 index 0000000000..2bb71cb719 --- /dev/null +++ b/src/mesa/drivers/dri/i830/i830_context.h @@ -0,0 +1,310 @@ +/* + * 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 "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_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_TEXBLEND_COUNT]; + GLuint TexBlend[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE]; + GLuint Init_TexBlend[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE]; + GLuint Init_TexBlendWordsUsed[I830_TEXBLEND_COUNT]; + GLuint Init_TexBlendColorPipeNum[I830_TEXBLEND_COUNT]; + GLuint TexBlendColorPipeNum[I830_TEXBLEND_COUNT]; + GLuint Init_BufferSetup[I830_DEST_SETUP_SIZE]; + GLuint LodBias[2]; + + 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[2]; + + /* Rasterization and vertex state: + */ + GLuint Fallback; + GLuint NewGLState; + + /* Temporaries for translating away float colors: + */ + struct gl_client_array UbyteColor; + struct gl_client_array UbyteSecondaryColor; + + /* State for i830vb.c and i830tris.c. + */ + GLuint SetupNewInputs; + GLuint SetupIndex; + GLuint RenderIndex; + GLmatrix ViewportMatrix; + GLenum render_primitive; + GLenum reduced_primitive; + GLuint hw_primitive; + GLuint vertex_format; + char *verts; + + 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]; + int vertex_size; + int vertex_stride_shift; + 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 */ + XF86DRIClipRectPtr pClipRects; + + int lastSwap; + int texAge; + int ctxAge; + int dirtyAge; + int perf_boxes; + + int do_irqs; + + GLboolean scissor; + XF86DRIClipRectRec draw_rect; + XF86DRIClipRectRec scissor_rect; + + drmContext hHWContext; + drmLock *driHwLock; + int driFd; + + __DRIdrawablePrivate *driDrawable; + __DRIscreenPrivate *driScreen; + i830ScreenPrivate *i830Screen; + I830SAREAPtr sarea; +}; + + +#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 + |