/************************************************************************** * * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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. * **************************************************************************/ #ifndef INTELCONTEXT_INC #define INTELCONTEXT_INC #include "mtypes.h" #include "drm.h" #include "mm.h" #include "texmem.h" #include "vblank.h" #include "intel_screen.h" #include "i915_drm.h" #include "i830_common.h" #include "tnl/t_vertex.h" #define TAG(x) intel##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 INTEL_CONTEXT(ctx) ((intelContextPtr)(ctx)) typedef struct intel_context intelContext; typedef struct intel_context *intelContextPtr; typedef struct intel_texture_object *intelTextureObjectPtr; typedef void (*intel_tri_func)(intelContextPtr, intelVertex *, intelVertex *, intelVertex *); typedef void (*intel_line_func)(intelContextPtr, intelVertex *, intelVertex *); typedef void (*intel_point_func)(intelContextPtr, intelVertex *); #define INTEL_FALLBACK_DRAW_BUFFER 0x1 #define INTEL_FALLBACK_READ_BUFFER 0x2 #define INTEL_FALLBACK_USER 0x4 #define INTEL_FALLBACK_NO_BATCHBUFFER 0x8 #define INTEL_FALLBACK_NO_TEXMEM 0x10 #define INTEL_FALLBACK_RENDERMODE 0x20 extern void intelFallback( intelContextPtr intel, GLuint bit, GLboolean mode ); #define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode ) #define INTEL_TEX_MAXLEVELS 10 struct intel_texture_object { driTextureObject base; /* the parent class */ GLuint texelBytes; GLuint age; GLuint Pitch; GLuint Height; GLuint TextureOffset; GLubyte *BufAddr; GLuint min_level; GLuint max_level; GLuint depth_pitch; struct { const struct gl_texture_image *image; GLuint offset; /* into BufAddr */ GLuint height; GLuint internalFormat; } image[6][INTEL_TEX_MAXLEVELS]; GLuint dirty; GLuint firstLevel,lastLevel; }; struct intel_context { GLcontext ctx; /* the parent class */ struct { void (*destroy)( intelContextPtr intel ); void (*emit_state)( intelContextPtr intel ); void (*lost_hardware)( intelContextPtr intel ); void (*update_texture_state)( intelContextPtr intel ); void (*render_start)( intelContextPtr intel ); void (*set_color_region)( intelContextPtr intel, const intelRegion *reg ); void (*set_z_region)( intelContextPtr intel, const intelRegion *reg ); void (*update_color_z_regions)(intelContextPtr intel, const intelRegion *colorRegion, const intelRegion *depthRegion); void (*emit_flush)( intelContextPtr intel ); void (*reduced_primitive_state)( intelContextPtr intel, GLenum rprim ); GLboolean (*check_vertex_size)( intelContextPtr intel, GLuint expected ); void (*clear_with_tris)( intelContextPtr intel, GLbitfield mask, GLboolean all, GLint cx, GLint cy, GLint cw, GLint ch); void (*rotate_window)( intelContextPtr intel, __DRIdrawablePrivate *dPriv, GLuint srcBuf); intelTextureObjectPtr (*alloc_tex_obj)( struct gl_texture_object *tObj ); } vtbl; GLint refcount; GLuint Fallback; GLuint NewGLState; struct { GLuint start_offset; GLint size; GLint space; GLubyte *ptr; GLuint counter; GLuint last_emit_state; GLboolean contains_geometry; const char *func; GLuint last_swap; } batch; struct { void *ptr; GLint size; GLuint offset; GLuint active_buf; GLuint irq_emitted; } alloc; struct { GLuint primitive; GLubyte *start_ptr; void (*flush)( GLcontext * ); } prim; GLboolean locked; GLubyte clear_red; GLubyte clear_green; GLubyte clear_blue; GLubyte clear_alpha; GLuint ClearColor; GLuint ClearDepth; GLuint coloroffset; GLuint specoffset; /* Support for duplicating XYZW as WPOS parameter (crutch for I915). */ GLuint wpos_offset; GLuint wpos_size; struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX]; GLuint vertex_attr_count; GLfloat depth_scale; GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */ GLuint depth_clear_mask; GLuint stencil_clear_mask; GLboolean hw_stencil; GLboolean hw_stipple; /* Texture object bookkeeping */ GLuint nr_heaps; driTexHeap * texture_heaps[1]; driTextureObject swapped; GLuint lastStamp; struct intel_texture_object *CurrentTexObj[MAX_TEXTURE_UNITS]; /* State for intelvb.c and inteltris.c. */ GLuint RenderIndex; GLmatrix ViewportMatrix; GLenum render_primitive; GLenum reduced_primitive; GLuint vertex_size; unsigned char *verts; /* points to tnl->clipspace.vertex_buf */ /* Fallback rasterization functions */ intel_point_func draw_point; intel_line_func draw_line; intel_tri_func draw_tri; /* Drawing buffer state */ intelRegion *drawRegion; /* current drawing buffer */ intelRegion *readRegion; /* current reading buffer */ int drawX; /* origin of drawable in draw buffer */ int drawY; GLuint numClipRects; /* cliprects for that buffer */ drm_clip_rect_t *pClipRects; int dirtyAge; int perf_boxes; GLuint do_usleeps; int do_irqs; GLuint irqsEmitted; drm_i915_irq_wait_t iw; GLboolean scissor; drm_clip_rect_t draw_rect; drm_clip_rect_t scissor_rect; drm_context_t hHWContext; drmLock *driHwLock; int driFd; __DRIdrawablePrivate *driDrawable; __DRIscreenPrivate *driScreen; intelScreenPrivate *intelScreen; drmI830Sarea *sarea; /** * Configuration cache */ driOptionCache optionCache; /* VBI */ GLuint vbl_seq; GLuint vblank_flags; int64_t swap_ust; int64_t swap_missed_ust; GLuint swap_count; GLuint swap_missed_count; GLuint swap_scheduled; }; #define DEBUG_LOCKING 1 #if DEBUG_LOCKING extern char *prevLockFile; extern int prevLockLine; #define DEBUG_LOCK() \ do { \ prevLockFile = (__FILE__); \ prevLockLine = (__LINE__); \ } while (0) #define DEBUG_RESET() \ do { \ prevLockFile = 0; \ prevLockLine = 0; \ } while (0) /* Slightly less broken way of detecting recursive locking in a * threaded environment. The right way to do this would be to make * prevLockFile, prevLockLine thread-local. * * This technique instead checks to see if the same context is * requesting the lock twice -- this will not catch application * breakages where the same context is active in two different threads * at once, but it will catch driver breakages (recursive locking) in * threaded apps. */ #define DEBUG_CHECK_LOCK() \ do { \ if ( *((volatile int *)intel->driHwLock) == \ (DRM_LOCK_HELD | intel->hHWContext) ) { \ fprintf( stderr, \ "LOCK SET!\n\tPrevious %s:%d\n\tCurrent: %s:%d\n", \ prevLockFile, prevLockLine, __FILE__, __LINE__ ); \ abort(); \ } \ } while (0) #else #define DEBUG_LOCK() #define DEBUG_RESET() #define DEBUG_CHECK_LOCK() #endif /* Lock the hardware and validate our state. */ #define LOCK_HARDWARE( intel ) \ do { \ char __ret=0; \ DEBUG_CHECK_LOCK(); \ assert(!(intel)->locked); \ if ((intel)->swap_scheduled) { \ drmVBlank vbl; \ vbl.request.type = DRM_VBLANK_ABSOLUTE; \ if ((intel)->vblank_flags & \ VBLANK_FLAG_SECONDARY) { \ vbl.request.type |= DRM_VBLANK_SECONDARY; \ } \ vbl.request.sequence = (intel)->vbl_seq; \ drmWaitVBlank((intel)->driFd, &vbl); \ (intel)->swap_scheduled = 0; \ } \ DRM_CAS((intel)->driHwLock, (intel)->hHWContext, \ (DRM_LOCK_HELD|(intel)->hHWContext), __ret); \ if (__ret) \ intelGetLock( (intel), 0 ); \ DEBUG_LOCK(); \ (intel)->locked = 1; \ }while (0) /* Unlock the hardware using the global current context */ #define UNLOCK_HARDWARE(intel) \ do { \ intel->locked = 0; \ if (0) { \ intel->perf_boxes |= intel->sarea->perf_boxes; \ intel->sarea->perf_boxes = 0; \ } \ DRM_UNLOCK((intel)->driFd, (intel)->driHwLock, (intel)->hHWContext); \ DEBUG_RESET(); \ } while (0) #define SUBPIXEL_X 0.125 #define SUBPIXEL_Y 0.125 #define INTEL_FIREVERTICES(intel) \ do { \ if ((intel)->prim.flush) \ (intel)->prim.flush(&(intel)->ctx); \ } while (0) /* ================================================================ * Color packing: */ #define INTEL_PACKCOLOR4444(r,g,b,a) \ ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4)) #define INTEL_PACKCOLOR1555(r,g,b,a) \ ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \ ((a) ? 0x8000 : 0)) #define INTEL_PACKCOLOR565(r,g,b) \ ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3)) #define INTEL_PACKCOLOR8888(r,g,b,a) \ ((a<<24) | (r<<16) | (g<<8) | b) #define INTEL_PACKCOLOR(format, r, g, b, a) \ (format == DV_PF_555 ? INTEL_PACKCOLOR1555(r,g,b,a) : \ (format == DV_PF_565 ? INTEL_PACKCOLOR565(r,g,b) : \ (format == DV_PF_8888 ? INTEL_PACKCOLOR8888(r,g,b,a) : \ 0))) /* ================================================================ * From linux kernel i386 header files, copes with odd sizes better * than COPY_DWORDS would: */ #if defined(i386) || defined(__i386__) static __inline__ void * __memcpy(void * to, const void * from, size_t n) { int d0, d1, d2; __asm__ __volatile__( "rep ; movsl\n\t" "testb $2,%b4\n\t" "je 1f\n\t" "movsw\n" "1:\ttestb $1,%b4\n\t" "je 2f\n\t" "movsb\n" "2:" : "=&c" (d0), "=&D" (d1), "=&S" (d2) :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from) : "memory"); return (to); } #else #define __memcpy(a,b,c) memcpy(a,b,c) #endif /* ================================================================ * Debugging: */ #define DO_DEBUG 1 #if DO_DEBUG extern int INTEL_DEBUG; #else #define INTEL_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 DEBUG_PIXEL 0x1000 #define PCI_CHIP_845_G 0x2562 #define PCI_CHIP_I830_M 0x3577 #define PCI_CHIP_I855_GM 0x3582 #define PCI_CHIP_I865_G 0x2572 #define PCI_CHIP_I915_G 0x2582 #define PCI_CHIP_I915_GM 0x2592 #define PCI_CHIP_I945_G 0x2772 #define PCI_CHIP_I945_GM 0x27A2 #define PCI_CHIP_I945_GME 0x27AE #define PCI_CHIP_G33_G 0x29C2 #define PCI_CHIP_Q35_G 0x29B2 #define PCI_CHIP_Q33_G 0x29D2 /* ================================================================ * intel_context.c: */ extern void intelInitDriverFunctions( struct dd_function_table *functions ); extern GLboolean intelInitContext( intelContextPtr intel, const __GLcontextModes *mesaVis, __DRIcontextPrivate *driContextPriv, void *sharedContextPrivate, struct dd_function_table *functions ); extern void intelGetLock(intelContextPtr intel, GLuint flags); extern void intelSetBackClipRects(intelContextPtr intel); extern void intelSetFrontClipRects(intelContextPtr intel); extern void intelWindowMoved( intelContextPtr intel ); extern const GLubyte *intelGetString( GLcontext *ctx, GLenum name ); /* ================================================================ * intel_state.c: */ extern void intelInitStateFuncs( struct dd_function_table *functions ); #define COMPAREFUNC_ALWAYS 0 #define COMPAREFUNC_NEVER 0x1 #define COMPAREFUNC_LESS 0x2 #define COMPAREFUNC_EQUAL 0x3 #define COMPAREFUNC_LEQUAL 0x4 #define COMPAREFUNC_GREATER 0x5 #define COMPAREFUNC_NOTEQUAL 0x6 #define COMPAREFUNC_GEQUAL 0x7 #define STENCILOP_KEEP 0 #define STENCILOP_ZERO 0x1 #define STENCILOP_REPLACE 0x2 #define STENCILOP_INCRSAT 0x3 #define STENCILOP_DECRSAT 0x4 #define STENCILOP_INCR 0x5 #define STENCILOP_DECR 0x6 #define STENCILOP_INVERT 0x7 #define LOGICOP_CLEAR 0 #define LOGICOP_NOR 0x1 #define LOGICOP_AND_INV 0x2 #define LOGICOP_COPY_INV 0x3 #define LOGICOP_AND_RVRSE 0x4 #define LOGICOP_INV 0x5 #define LOGICOP_XOR 0x6 #define LOGICOP_NAND 0x7 #define LOGICOP_AND 0x8 #define LOGICOP_EQUIV 0x9 #define LOGICOP_NOOP 0xa #define LOGICOP_OR_INV 0xb #define LOGICOP_COPY 0xc #define LOGICOP_OR_RVRSE 0xd #define LOGICOP_OR 0xe #define LOGICOP_SET 0xf #define BLENDFACT_ZERO 0x01 #define BLENDFACT_ONE 0x02 #define BLENDFACT_SRC_COLR 0x03 #define BLENDFACT_INV_SRC_COLR 0x04 #define BLENDFACT_SRC_ALPHA 0x05 #define BLENDFACT_INV_SRC_ALPHA 0x06 #define BLENDFACT_DST_ALPHA 0x07 #define BLENDFACT_INV_DST_ALPHA 0x08 #define BLENDFACT_DST_COLR 0x09 #define BLENDFACT_INV_DST_COLR 0x0a #define BLENDFACT_SRC_ALPHA_SATURATE 0x0b #define BLENDFACT_CONST_COLOR 0x0c #define BLENDFACT_INV_CONST_COLOR 0x0d #define BLENDFACT_CONST_ALPHA 0x0e #define BLENDFACT_INV_CONST_ALPHA 0x0f #define BLENDFACT_MASK 0x0f extern int intel_translate_compare_func( GLenum func ); extern int intel_translate_stencil_op( GLenum op ); extern int intel_translate_blend_factor( GLenum factor ); extern int intel_translate_logic_op( GLenum opcode ); /* ================================================================ * intel_ioctl.c: */ extern void intel_dump_batchbuffer( long offset, int *ptr, int count ); /* ================================================================ * intel_pixel.c: */ extern void intelInitPixelFuncs( struct dd_function_table *functions ); #endif