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Diffstat (limited to 'src/mesa/drivers/dri/r128/r128_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/r128/r128_context.h | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_context.h b/src/mesa/drivers/dri/r128/r128_context.h new file mode 100644 index 0000000000..9c93012eb0 --- /dev/null +++ b/src/mesa/drivers/dri/r128/r128_context.h @@ -0,0 +1,270 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_context.h,v 1.12 2002/12/16 16:18:52 dawes Exp $ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, 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 +on 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 +ATI, PRECISION INSIGHT AND/OR THEIR 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. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * + */ + +#ifndef __R128_CONTEXT_H__ +#define __R128_CONTEXT_H__ + +#ifdef GLX_DIRECT_RENDERING + +#include "dri_util.h" + +#include "xf86drm.h" +#include "r128_common.h" + +#include "mtypes.h" + +#include "r128_reg.h" + +#include "texmem.h" + +struct r128_context; +typedef struct r128_context r128ContextRec; +typedef struct r128_context *r128ContextPtr; + +#include "r128_lock.h" +#include "r128_texobj.h" +#include "r128_screen.h" + +/* Flags for what context state needs to be updated: + */ +#define R128_NEW_ALPHA 0x0001 +#define R128_NEW_DEPTH 0x0002 +#define R128_NEW_FOG 0x0004 +#define R128_NEW_CLIP 0x0008 +#define R128_NEW_CULL 0x0010 +#define R128_NEW_MASKS 0x0020 +#define R128_NEW_RENDER_NOT 0x0040 +#define R128_NEW_WINDOW 0x0080 +#define R128_NEW_CONTEXT 0x0100 +#define R128_NEW_ALL 0x01ff + +/* Flags for software fallback cases: + */ +#define R128_FALLBACK_TEXTURE 0x0001 +#define R128_FALLBACK_DRAW_BUFFER 0x0002 +#define R128_FALLBACK_READ_BUFFER 0x0004 +#define R128_FALLBACK_STENCIL 0x0008 +#define R128_FALLBACK_RENDER_MODE 0x0010 +#define R128_FALLBACK_MULTIDRAW 0x0020 +#define R128_FALLBACK_LOGICOP 0x0040 +#define R128_FALLBACK_SEP_SPECULAR 0x0080 +#define R128_FALLBACK_BLEND_EQ 0x0100 +#define R128_FALLBACK_BLEND_FUNC 0x0200 + + +/* Use the templated vertex format: + */ +#define TAG(x) r128##x +#include "tnl_dd/t_dd_vertex.h" +#undef TAG + +/* Reasons why the GL_BLEND fallback mightn't work: + */ +#define R128_BLEND_ENV_COLOR 0x1 +#define R128_BLEND_MULTITEX 0x2 + +/* Subpixel offsets for window coordinates (triangles): + */ +#define SUBPIXEL_X (0.0F) +#define SUBPIXEL_Y (0.125F) + + +typedef void (*r128_tri_func)( r128ContextPtr, + r128Vertex *, + r128Vertex *, + r128Vertex * ); + +typedef void (*r128_line_func)( r128ContextPtr, + r128Vertex *, + r128Vertex * ); + +typedef void (*r128_point_func)( r128ContextPtr, + r128Vertex * ); + + +struct r128_context { + GLcontext *glCtx; /* Mesa context */ + + /* Driver and hardware state management + */ + GLuint new_state; + GLuint dirty; /* Hardware state to be updated */ + r128_context_regs_t setup; + + /* Temporaries for translating away float colors: + */ + struct gl_client_array UbyteColor; + struct gl_client_array UbyteSecondaryColor; + + GLuint NewGLState; + GLuint Fallback; + GLuint SetupIndex; + GLuint SetupNewInputs; + GLuint RenderIndex; + GLfloat hw_viewport[16]; + GLfloat depth_scale; + GLuint vertex_size; + GLuint vertex_stride_shift; + GLuint vertex_format; + GLuint num_verts; + GLubyte *verts; + + CARD32 ClearColor; /* Color used to clear color buffer */ + CARD32 ClearDepth; /* Value used to clear depth buffer */ + CARD32 ClearStencil; /* Value used to clear stencil */ + + /* Map GL texture units onto hardware + */ + GLint multitex; + GLint tmu_source[2]; + GLuint tex_combine[2]; + GLuint blend_flags; + GLuint env_color; + + /* Texture object bookkeeping + */ + unsigned nr_heaps; + driTexHeap * texture_heaps[ R128_NR_TEX_HEAPS ]; + driTextureObject swapped; + + r128TexObjPtr CurrentTexObj[2]; + + /* Fallback rasterization functions + */ + r128_point_func draw_point; + r128_line_func draw_line; + r128_tri_func draw_tri; + + /* Vertex buffers + */ + drmBufPtr vert_buf; + + GLuint hw_primitive; + GLenum render_primitive; + + /* Page flipping + */ + GLuint doPageFlip; + + /* Busy waiting + */ + GLuint do_irqs; + + /* Drawable, cliprect and scissor information + */ + GLint drawOffset, drawPitch; + GLint readOffset, readPitch; + + GLuint numClipRects; /* Cliprects for the draw buffer */ + XF86DRIClipRectPtr pClipRects; + + GLuint scissor; + XF86DRIClipRectRec ScissorRect; /* Current software scissor */ + + /* Mirrors of some DRI state + */ + __DRIcontextPrivate *driContext; /* DRI context */ + __DRIscreenPrivate *driScreen; /* DRI screen */ + __DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */ + + unsigned int lastStamp; /* mirror driDrawable->lastStamp */ + + drmContext hHWContext; + drmLock *driHwLock; + int driFd; + + r128ScreenPtr r128Screen; /* Screen private DRI data */ + R128SAREAPrivPtr sarea; /* Private SAREA data */ + + /* Performance counters + */ + GLuint boxes; /* Draw performance boxes */ + GLuint hardwareWentIdle; + GLuint c_clears; + GLuint c_drawWaits; + GLuint c_textureSwaps; + GLuint c_textureBytes; + GLuint c_vertexBuffers; + + /* VBI + */ + GLuint vbl_seq; + GLuint vblank_flags; +}; + +#define R128_CONTEXT(ctx) ((r128ContextPtr)(ctx->DriverCtx)) + +#define R128_IS_PLAIN( rmesa ) \ + (rmesa->r128Screen->chipset == R128_CARD_TYPE_R128) +#define R128_IS_PRO( rmesa ) \ + (rmesa->r128Screen->chipset == R128_CARD_TYPE_R128_PRO) +#define R128_IS_MOBILITY( rmesa ) \ + (rmesa->r128Screen->chipset == R128_CARD_TYPE_R128_MOBILITY) + + +extern GLboolean r128CreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ); + +extern void r128DestroyContext( __DRIcontextPrivate * ); + +extern GLboolean r128MakeCurrent( __DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv ); + +extern GLboolean r128UnbindContext( __DRIcontextPrivate *driContextPriv ); + +/* ================================================================ + * Debugging: + */ +#define DO_DEBUG 0 +#define ENABLE_PERF_BOXES 0 + +#if DO_DEBUG +extern int R128_DEBUG; +#else +#define R128_DEBUG 0 +#endif + +#define DEBUG_ALWAYS_SYNC 0x01 +#define DEBUG_VERBOSE_API 0x02 +#define DEBUG_VERBOSE_MSG 0x04 +#define DEBUG_VERBOSE_LRU 0x08 +#define DEBUG_VERBOSE_DRI 0x10 +#define DEBUG_VERBOSE_IOCTL 0x20 +#define DEBUG_VERBOSE_2D 0x40 + +#endif +#endif /* __R128_CONTEXT_H__ */ |