diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_context.h | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.h b/src/mesa/drivers/dri/nouveau/nouveau_context.h new file mode 100644 index 0000000000..d7730bd796 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_context.h @@ -0,0 +1,211 @@ +/************************************************************************** + +Copyright 2006 Stephane Marchesin +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 +ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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 __NOUVEAU_CONTEXT_H__ +#define __NOUVEAU_CONTEXT_H__ + +#include "dri_util.h" +#include "drm.h" +#include "nouveau_drm.h" + +#include "mtypes.h" +#include "tnl/t_vertex.h" + +#include "nouveau_screen.h" +#include "nouveau_state_cache.h" +#include "nouveau_buffers.h" +#include "nouveau_shader.h" + +#include "xmlconfig.h" + +typedef struct nouveau_fifo_t{ + u_int32_t* buffer; + u_int32_t* mmio; + u_int32_t put_base; + u_int32_t current; + u_int32_t put; + u_int32_t free; + u_int32_t max; +} +nouveau_fifo; + +#define TAG(x) nouveau##x +#include "tnl_dd/t_dd_vertex.h" +#undef TAG + +/* Subpixel offsets for window coordinates (triangles): */ +#define SUBPIXEL_X (0.0F) +#define SUBPIXEL_Y (0.125F) + +struct nouveau_context; + +typedef void (*nouveau_tri_func)( struct nouveau_context*, + nouveauVertex *, + nouveauVertex *, + nouveauVertex * ); + +typedef void (*nouveau_line_func)( struct nouveau_context*, + nouveauVertex *, + nouveauVertex * ); + +typedef void (*nouveau_point_func)( struct nouveau_context*, + nouveauVertex * ); + +typedef struct nouveau_hw_func_t { + /* Initialise any card-specific non-GL related state */ + GLboolean (*InitCard)(struct nouveau_context *); + /* Update buffer offset/pitch/format */ + GLboolean (*BindBuffers)(struct nouveau_context *, int num_color, + nouveau_renderbuffer **color, + nouveau_renderbuffer *depth); + /* Update anything that depends on the window position/size */ + void (*WindowMoved)(struct nouveau_context *); +} nouveau_hw_func; + +typedef struct nouveau_context { + /* Mesa context */ + GLcontext *glCtx; + + /* The per-context fifo */ + nouveau_fifo fifo; + + /* The read-only regs */ + volatile unsigned char* mmio; + + /* Physical addresses of AGP/VRAM apertures */ + uint64_t vram_phys; + uint64_t agp_phys; + + /* Additional hw-specific functions */ + nouveau_hw_func hw_func; + + /* FIXME : do we want to put all state into a separate struct ? */ + /* State for tris */ + GLuint color_offset; + GLuint specular_offset; + + /* Vertex state */ + GLuint vertex_size; + GLubyte *verts; + struct tnl_attr_map vertex_attrs[VERT_ATTRIB_MAX]; + GLuint vertex_attr_count; + + /* Depth/stencil clear state */ + uint32_t clear_value; + + /* Light state */ + GLboolean lighting_enabled; + uint32_t enabled_lights; + + /* Cached state */ + nouveau_state_cache state_cache; + + /* The drawing fallbacks */ + GLuint Fallback; + nouveau_tri_func draw_tri; + nouveau_line_func draw_line; + nouveau_point_func draw_point; + + /* Cliprects information */ + GLuint numClipRects; + drm_clip_rect_t *pClipRects; + + /* The rendering context information */ + GLenum current_primitive; /* the current primitive enum */ + DECLARE_RENDERINPUTS(render_inputs_bitset); /* the current render inputs */ + + /* Shader state */ + nvsFunc VPfunc; + nvsFunc FPfunc; + nouveauShader *current_fragprog; + nouveauShader *current_vertprog; + nouveauShader *passthrough_vp; + + nouveauScreenRec *screen; + drm_nouveau_sarea_t *sarea; + + __DRIcontextPrivate *driContext; /* DRI context */ + __DRIscreenPrivate *driScreen; /* DRI screen */ + __DRIdrawablePrivate *driDrawable; /* DRI drawable bound to this ctx */ + GLint lastStamp; + + drm_context_t hHWContext; + drm_hw_lock_t *driHwLock; + int driFd; + + /* Configuration cache */ + driOptionCache optionCache; + + /* vblank stuff */ + uint32_t vblank_flags; + uint32_t vblank_seq; + + GLuint new_state; + GLuint new_render_state; + GLuint render_index; + GLmatrix viewport; + GLfloat depth_scale; + +}nouveauContextRec, *nouveauContextPtr; + + +#define NOUVEAU_CONTEXT(ctx) ((nouveauContextPtr)(ctx->DriverCtx)) + +/* Flags for software fallback cases: */ +#define NOUVEAU_FALLBACK_TEXTURE 0x0001 +#define NOUVEAU_FALLBACK_DRAW_BUFFER 0x0002 +#define NOUVEAU_FALLBACK_READ_BUFFER 0x0004 +#define NOUVEAU_FALLBACK_STENCIL 0x0008 +#define NOUVEAU_FALLBACK_RENDER_MODE 0x0010 +#define NOUVEAU_FALLBACK_LOGICOP 0x0020 +#define NOUVEAU_FALLBACK_SEP_SPECULAR 0x0040 +#define NOUVEAU_FALLBACK_BLEND_EQ 0x0080 +#define NOUVEAU_FALLBACK_BLEND_FUNC 0x0100 +#define NOUVEAU_FALLBACK_PROJTEX 0x0200 +#define NOUVEAU_FALLBACK_DISABLE 0x0400 + + +extern GLboolean nouveauCreateContext( const __GLcontextModes *glVisual, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate ); + +extern void nouveauDestroyContext( __DRIcontextPrivate * ); + +extern GLboolean nouveauMakeCurrent( __DRIcontextPrivate *driContextPriv, + __DRIdrawablePrivate *driDrawPriv, + __DRIdrawablePrivate *driReadPriv ); + +extern GLboolean nouveauUnbindContext( __DRIcontextPrivate *driContextPriv ); + +extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv); + +extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv, + int x, int y, int w, int h); + +#endif /* __NOUVEAU_CONTEXT_H__ */ + |