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/**************************************************************************
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#ifndef INTELCONTEXT_INC
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#define INTELCONTEXT_INC
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#include "intel_screen.h"
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#include "i830_common.h"
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#include "tnl/t_vertex.h"
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#define TAG(x) intel##x
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#include "tnl_dd/t_dd_vertex.h"
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#define DV_PF_555 (1<<8)
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#define DV_PF_565 (2<<8)
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#define DV_PF_8888 (3<<8)
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struct _DriBufferObject;
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typedef void (*intel_tri_func) (struct intel_context *, intelVertex *,
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intelVertex *, intelVertex *);
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typedef void (*intel_line_func) (struct intel_context *, intelVertex *,
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typedef void (*intel_point_func) (struct intel_context *, intelVertex *);
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#define INTEL_FALLBACK_DRAW_BUFFER 0x1
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#define INTEL_FALLBACK_READ_BUFFER 0x2
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#define INTEL_FALLBACK_DEPTH_BUFFER 0x4
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#define INTEL_FALLBACK_STENCIL_BUFFER 0x8
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#define INTEL_FALLBACK_USER 0x10
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#define INTEL_FALLBACK_RENDERMODE 0x20
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extern void intelFallback(struct intel_context *intel, GLuint bit,
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#define FALLBACK( intel, bit, mode ) intelFallback( intel, bit, mode )
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#define INTEL_WRITE_PART 0x1
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#define INTEL_WRITE_FULL 0x2
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#define INTEL_READ 0x4
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struct intel_texture_object
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struct gl_texture_object base; /* The "parent" object */
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/* The mipmap tree must include at least these levels once
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/* Offset for firstLevel image:
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/* On validation any active images held in main memory or in other
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* regions will be copied to this region and the old storage freed.
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struct intel_mipmap_tree *mt;
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struct intel_texture_image
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struct gl_texture_image base;
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/* These aren't stored in gl_texture_image
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/* If intelImage->mt != NULL, image data is stored here.
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* Else if intelImage->base.Data != NULL, image is stored there.
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* Else there is no image data.
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struct intel_mipmap_tree *mt;
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#define INTEL_MAX_FIXUP 64
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GLcontext ctx; /* the parent class */
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void (*destroy) (struct intel_context * intel);
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void (*emit_state) (struct intel_context * intel);
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void (*lost_hardware) (struct intel_context * intel);
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void (*update_texture_state) (struct intel_context * intel);
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void (*render_start) (struct intel_context * intel);
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void (*set_draw_region) (struct intel_context * intel,
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struct intel_region * draw_region,
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struct intel_region * depth_region);
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GLuint(*flush_cmd) (void);
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void (*reduced_primitive_state) (struct intel_context * intel,
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GLboolean(*check_vertex_size) (struct intel_context * intel,
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void (*install_meta_state) (struct intel_context * intel);
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void (*leave_meta_state) (struct intel_context * intel);
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void (*meta_draw_region) (struct intel_context * intel,
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struct intel_region * draw_region,
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struct intel_region * depth_region);
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void (*meta_color_mask) (struct intel_context * intel, GLboolean);
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void (*meta_stencil_replace) (struct intel_context * intel,
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GLuint mask, GLuint clear);
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void (*meta_depth_replace) (struct intel_context * intel);
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void (*meta_texture_blend_replace) (struct intel_context * intel);
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void (*meta_no_stencil_write) (struct intel_context * intel);
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void (*meta_no_depth_write) (struct intel_context * intel);
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void (*meta_no_texture) (struct intel_context * intel);
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void (*meta_import_pixel_state) (struct intel_context * intel);
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GLboolean(*meta_tex_rect_source) (struct intel_context * intel,
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struct _DriBufferObject * buffer,
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GLenum format, GLenum type);
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void (*rotate_window) (struct intel_context * intel,
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__DRIdrawablePrivate * dPriv, GLuint srcBuf);
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void (*assert_not_dirty) (struct intel_context *intel);
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struct _DriFenceObject *last_swap_fence;
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struct _DriFenceObject *first_swap_fence;
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struct intel_batchbuffer *batch;
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void (*flush) (struct intel_context *);
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GLuint ClearColor565;
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GLuint ClearColor8888;
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/* Offsets of fields within the current vertex:
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struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX];
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GLuint vertex_attr_count;
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GLfloat polygon_offset_scale; /* dependent on depth_scale, bpp */
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GLboolean hw_stipple;
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GLboolean strict_conformance;
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/* AGP memory buffer manager:
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/* State for intelvb.c and inteltris.c.
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GLmatrix ViewportMatrix;
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GLenum render_primitive;
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GLenum reduced_primitive;
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GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
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struct intel_region *front_region; /* XXX FBO: obsolete */
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struct intel_region *rotated_region; /* XXX FBO: obsolete */
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struct intel_region *back_region; /* XXX FBO: obsolete */
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struct intel_region *draw_region; /* XXX FBO: rename to color_region */
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struct intel_region *depth_region; /**< currently bound depth/Z region */
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/* Fallback rasterization functions
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intel_point_func draw_point;
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intel_line_func draw_line;
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intel_tri_func draw_tri;
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/* These refer to the current drawing buffer:
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int drawX, drawY; /**< origin of drawing area within region */
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GLuint numClipRects; /**< cliprects for drawing */
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drm_clip_rect_t *pClipRects;
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drm_clip_rect_t fboRect; /**< cliprect for FBO rendering */
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drm_i915_irq_wait_t iw;
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drm_context_t hHWContext;
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__DRIdrawablePrivate *driDrawable;
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__DRIscreenPrivate *driScreen;
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intelScreenPrivate *intelScreen;
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* Configuration cache
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driOptionCache optionCache;
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int64_t swap_missed_ust;
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GLuint swap_missed_count;
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GLuint swap_scheduled;
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/* These are functions now:
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void LOCK_HARDWARE( struct intel_context *intel );
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void UNLOCK_HARDWARE( struct intel_context *intel );
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extern char *__progname;
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#define SUBPIXEL_X 0.125
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#define SUBPIXEL_Y 0.125
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#define INTEL_FIREVERTICES(intel) \
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if ((intel)->prim.flush) \
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(intel)->prim.flush(intel); \
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/* ================================================================
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#define INTEL_PACKCOLOR4444(r,g,b,a) \
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((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
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#define INTEL_PACKCOLOR1555(r,g,b,a) \
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((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) | \
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#define INTEL_PACKCOLOR565(r,g,b) \
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((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
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#define INTEL_PACKCOLOR8888(r,g,b,a) \
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((a<<24) | (r<<16) | (g<<8) | b)
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/* ================================================================
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* From linux kernel i386 header files, copes with odd sizes better
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* than COPY_DWORDS would:
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* XXX Put this in src/mesa/main/imports.h ???
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#if defined(i386) || defined(__i386__)
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__memcpy(void *to, const void *from, size_t n)
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__asm__ __volatile__("rep ; movsl\n\t"
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"1:\ttestb $1,%b4\n\t"
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"movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
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:"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
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#define __memcpy(a,b,c) memcpy(a,b,c)
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/* ================================================================
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extern int INTEL_DEBUG;
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#define INTEL_DEBUG 0
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#define DEBUG_TEXTURE 0x1
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#define DEBUG_STATE 0x2
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#define DEBUG_IOCTL 0x4
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#define DEBUG_BLIT 0x8
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#define DEBUG_MIPTREE 0x10
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#define DEBUG_FALLBACKS 0x20
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#define DEBUG_VERBOSE 0x40
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#define DEBUG_BATCH 0x80
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#define DEBUG_PIXEL 0x100
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#define DEBUG_BUFMGR 0x200
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#define DEBUG_REGION 0x400
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#define DEBUG_FBO 0x800
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#define DEBUG_LOCK 0x1000
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#define DBG(...) do { if (INTEL_DEBUG & FILE_DEBUG_FLAG) _mesa_printf(__VA_ARGS__); } while(0)
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#define PCI_CHIP_845_G 0x2562
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#define PCI_CHIP_I830_M 0x3577
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#define PCI_CHIP_I855_GM 0x3582
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#define PCI_CHIP_I865_G 0x2572
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#define PCI_CHIP_I915_G 0x2582
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#define PCI_CHIP_I915_GM 0x2592
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#define PCI_CHIP_I945_G 0x2772
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#define PCI_CHIP_I945_GM 0x27A2
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/* ================================================================
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extern GLboolean intelInitContext(struct intel_context *intel,
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const __GLcontextModes * mesaVis,
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__DRIcontextPrivate * driContextPriv,
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void *sharedContextPrivate,
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struct dd_function_table *functions);
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extern void intelGetLock(struct intel_context *intel, GLuint flags);
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extern void intelInitState(GLcontext * ctx);
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extern void intelFinish(GLcontext * ctx);
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extern void intelFlush(GLcontext * ctx);
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extern void intelInitDriverFunctions(struct dd_function_table *functions);
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/* ================================================================
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extern void intelInitStateFuncs(struct dd_function_table *functions);
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#define COMPAREFUNC_ALWAYS 0
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#define COMPAREFUNC_NEVER 0x1
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#define COMPAREFUNC_LESS 0x2
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#define COMPAREFUNC_EQUAL 0x3
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#define COMPAREFUNC_LEQUAL 0x4
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#define COMPAREFUNC_GREATER 0x5
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#define COMPAREFUNC_NOTEQUAL 0x6
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#define COMPAREFUNC_GEQUAL 0x7
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#define STENCILOP_KEEP 0
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#define STENCILOP_ZERO 0x1
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#define STENCILOP_REPLACE 0x2
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#define STENCILOP_INCRSAT 0x3
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#define STENCILOP_DECRSAT 0x4
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#define STENCILOP_INCR 0x5
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#define STENCILOP_DECR 0x6
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#define STENCILOP_INVERT 0x7
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#define LOGICOP_CLEAR 0
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#define LOGICOP_NOR 0x1
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#define LOGICOP_AND_INV 0x2
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#define LOGICOP_COPY_INV 0x3
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#define LOGICOP_AND_RVRSE 0x4
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#define LOGICOP_INV 0x5
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#define LOGICOP_XOR 0x6
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#define LOGICOP_NAND 0x7
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#define LOGICOP_AND 0x8
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#define LOGICOP_EQUIV 0x9
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#define LOGICOP_NOOP 0xa
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#define LOGICOP_OR_INV 0xb
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#define LOGICOP_COPY 0xc
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#define LOGICOP_OR_RVRSE 0xd
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#define LOGICOP_OR 0xe
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#define LOGICOP_SET 0xf
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#define BLENDFACT_ZERO 0x01
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#define BLENDFACT_ONE 0x02
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#define BLENDFACT_SRC_COLR 0x03
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#define BLENDFACT_INV_SRC_COLR 0x04
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#define BLENDFACT_SRC_ALPHA 0x05
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#define BLENDFACT_INV_SRC_ALPHA 0x06
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#define BLENDFACT_DST_ALPHA 0x07
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#define BLENDFACT_INV_DST_ALPHA 0x08
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#define BLENDFACT_DST_COLR 0x09
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#define BLENDFACT_INV_DST_COLR 0x0a
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#define BLENDFACT_SRC_ALPHA_SATURATE 0x0b
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#define BLENDFACT_CONST_COLOR 0x0c
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#define BLENDFACT_INV_CONST_COLOR 0x0d
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#define BLENDFACT_CONST_ALPHA 0x0e
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#define BLENDFACT_INV_CONST_ALPHA 0x0f
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#define BLENDFACT_MASK 0x0f
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#define MI_BATCH_BUFFER_END (0xA<<23)
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extern int intel_translate_compare_func(GLenum func);
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extern int intel_translate_stencil_op(GLenum op);
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extern int intel_translate_blend_factor(GLenum factor);
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extern int intel_translate_logic_op(GLenum opcode);
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/*======================================================================
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* Inline conversion functions.
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* These are better-typed than the macros used previously:
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static INLINE struct intel_context *
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intel_context(GLcontext * ctx)
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return (struct intel_context *) ctx;
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static INLINE struct intel_texture_object *
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intel_texture_object(struct gl_texture_object *obj)
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return (struct intel_texture_object *) obj;
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static INLINE struct intel_texture_image *
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intel_texture_image(struct gl_texture_image *img)
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return (struct intel_texture_image *) img;
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extern struct intel_renderbuffer *intel_renderbuffer(struct gl_renderbuffer