diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2007-07-31 20:06:09 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2007-07-31 20:06:09 +0100 |
commit | 280cb3713064ccc17417e1a25398ad615dfc53c8 (patch) | |
tree | 6c16aa68e143a39b4ef966e9e0932c6acf2386fa /src/mesa/drivers/dri/i915pipe/intel_context.h | |
parent | 973985b7ef19cd69c6bd5b85cd22e953d21aa8ae (diff) |
A version of the i915tex driver with all drawing code removed.
This is intended to support the softpipe development work. More code
will be removed and pushed into softpipe until this basicially becomes
the DRI/GLX interface for that driver.
Diffstat (limited to 'src/mesa/drivers/dri/i915pipe/intel_context.h')
-rw-r--r-- | src/mesa/drivers/dri/i915pipe/intel_context.h | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915pipe/intel_context.h b/src/mesa/drivers/dri/i915pipe/intel_context.h new file mode 100644 index 0000000000..154be972b9 --- /dev/null +++ b/src/mesa/drivers/dri/i915pipe/intel_context.h @@ -0,0 +1,426 @@ +/************************************************************************** + * + * 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 "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) + +struct intel_region; +struct intel_context; +struct _DriBufferObject; + +typedef void (*intel_tri_func) (struct intel_context *, intelVertex *, + intelVertex *, intelVertex *); +typedef void (*intel_line_func) (struct intel_context *, intelVertex *, + intelVertex *); +typedef void (*intel_point_func) (struct intel_context *, intelVertex *); + +#define INTEL_FALLBACK_DRAW_BUFFER 0x1 +#define INTEL_FALLBACK_READ_BUFFER 0x2 +#define INTEL_FALLBACK_DEPTH_BUFFER 0x4 +#define INTEL_FALLBACK_STENCIL_BUFFER 0x8 +#define INTEL_FALLBACK_USER 0x10 +#define INTEL_FALLBACK_RENDERMODE 0x20 + +#define FALLBACK( intel, bit, mode ) _mesa_printf("intelFallback not implemented/removed\n") + + +#define INTEL_WRITE_PART 0x1 +#define INTEL_WRITE_FULL 0x2 +#define INTEL_READ 0x4 + +struct intel_texture_object +{ + struct gl_texture_object base; /* The "parent" object */ + + /* The mipmap tree must include at least these levels once + * validated: + */ + GLuint firstLevel; + GLuint lastLevel; + + /* Offset for firstLevel image: + */ + GLuint textureOffset; + + /* On validation any active images held in main memory or in other + * regions will be copied to this region and the old storage freed. + */ + struct intel_mipmap_tree *mt; + + GLboolean imageOverride; + GLint depthOverride; + GLuint pitchOverride; +}; + + + +struct intel_texture_image +{ + struct gl_texture_image base; + + /* These aren't stored in gl_texture_image + */ + GLuint level; + GLuint face; + + /* If intelImage->mt != NULL, image data is stored here. + * Else if intelImage->base.Data != NULL, image is stored there. + * Else there is no image data. + */ + struct intel_mipmap_tree *mt; +}; + + +#define INTEL_MAX_FIXUP 64 + +struct intel_context +{ + GLcontext ctx; /* the parent class */ + + GLint refcount; + GLuint Fallback; + GLuint NewGLState; + + struct _DriFenceObject *last_swap_fence; + struct _DriFenceObject *first_swap_fence; + + struct intel_batchbuffer *batch; + + struct + { + GLuint id; + GLuint primitive; + GLubyte *start_ptr; + void (*flush) (struct intel_context *); + } prim; + + GLboolean locked; + char *prevLockFile; + int prevLockLine; + + GLuint ClearColor565; + GLuint ClearColor8888; + + /* Offsets of fields within the current vertex: + */ + GLuint coloroffset; + GLuint specoffset; + GLuint wpos_offset; + GLuint wpos_size; + + struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX]; + GLuint vertex_attr_count; + + GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */ + + GLboolean hw_stipple; + GLboolean strict_conformance; + + /* AGP memory buffer manager: + */ + struct bufmgr *bm; + + + /* State for intelvb.c and inteltris.c. + */ + GLuint RenderIndex; + GLmatrix ViewportMatrix; + GLenum render_primitive; + GLenum reduced_primitive; + GLuint vertex_size; + GLubyte *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; + + /* These refer to the current drawing buffer: + */ + GLuint numClipRects; /**< cliprects for drawing */ + drm_clip_rect_t *pClipRects; + drm_clip_rect_t fboRect; /**< cliprect for rendering */ + + GLuint do_usleeps; + int do_irqs; + GLuint irqsEmitted; + drm_i915_irq_wait_t iw; + + drm_context_t hHWContext; + drmLock *driHwLock; + int driFd; + + __DRIdrawablePrivate *driDrawable; + __DRIscreenPrivate *driScreen; + intelScreenPrivate *intelScreen; + drmI830Sarea *sarea; + + GLuint lastStamp; + + /** + * Configuration cache + */ + driOptionCache optionCache; +}; + +/* These are functions now: + */ +void LOCK_HARDWARE( struct intel_context *intel ); +void UNLOCK_HARDWARE( struct intel_context *intel ); + +extern char *__progname; + + +#define SUBPIXEL_X 0.125 +#define SUBPIXEL_Y 0.125 + +#define INTEL_FIREVERTICES(intel) \ +do { \ + if ((intel)->prim.flush) \ + (intel)->prim.flush(intel); \ +} 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) + + + +/* ================================================================ + * From linux kernel i386 header files, copes with odd sizes better + * than COPY_DWORDS would: + * XXX Put this in src/mesa/main/imports.h ??? + */ +#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 0 +#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_BLIT 0x8 +#define DEBUG_MIPTREE 0x10 +#define DEBUG_FALLBACKS 0x20 +#define DEBUG_VERBOSE 0x40 +#define DEBUG_BATCH 0x80 +#define DEBUG_PIXEL 0x100 +#define DEBUG_BUFMGR 0x200 +#define DEBUG_REGION 0x400 +#define DEBUG_FBO 0x800 +#define DEBUG_LOCK 0x1000 + +#define DBG(...) do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0) + + +#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 GLboolean intelInitContext(struct intel_context *intel, + const __GLcontextModes * mesaVis, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate, + struct dd_function_table *functions); + +extern void intelGetLock(struct intel_context *intel, GLuint flags); + +extern void intelFinish(GLcontext * ctx); +extern void intelFlush(GLcontext * ctx); + +extern void intelInitDriverFunctions(struct dd_function_table *functions); + + +/* ================================================================ + * 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 + +#define MI_BATCH_BUFFER_END (0xA<<23) + + +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); + + +/*====================================================================== + * Inline conversion functions. + * These are better-typed than the macros used previously: + */ +static INLINE struct intel_context * +intel_context(GLcontext * ctx) +{ + return (struct intel_context *) ctx; +} + +static INLINE struct intel_texture_object * +intel_texture_object(struct gl_texture_object *obj) +{ + return (struct intel_texture_object *) obj; +} + +static INLINE struct intel_texture_image * +intel_texture_image(struct gl_texture_image *img) +{ + return (struct intel_texture_image *) img; +} + +extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer + *rb); + + +#endif |