diff options
Diffstat (limited to 'src/mesa/drivers/dri/ffb/ffb_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/ffb/ffb_context.h | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/mesa/drivers/dri/ffb/ffb_context.h b/src/mesa/drivers/dri/ffb/ffb_context.h deleted file mode 100644 index 4d1d53ff59..0000000000 --- a/src/mesa/drivers/dri/ffb/ffb_context.h +++ /dev/null @@ -1,305 +0,0 @@ - -#ifndef _FFB_CONTEXT_H -#define _FFB_CONTEXT_H - -#include "dri_util.h" -#include "drm.h" - -#include "main/mtypes.h" - -#include "ffb_xmesa.h" - -typedef struct { - GLfloat alpha; - GLfloat red; - GLfloat green; - GLfloat blue; -} ffb_color; - -#define FFB_GET_ALPHA(VTX) \ - FFB_COLOR_FROM_FLOAT((VTX)->color[0].alpha) -#define FFB_GET_RED(VTX) \ - FFB_COLOR_FROM_FLOAT((VTX)->color[0].red) -#define FFB_GET_GREEN(VTX) \ - FFB_COLOR_FROM_FLOAT((VTX)->color[0].green) -#define FFB_GET_BLUE(VTX) \ - FFB_COLOR_FROM_FLOAT((VTX)->color[0].blue) - -typedef struct { - GLfloat x, y, z; - ffb_color color[2]; -} ffb_vertex; - -#define FFB_DELAYED_VIEWPORT_VARS \ - GLfloat VP_SX = fmesa->hw_viewport[MAT_SX]; \ - GLfloat VP_TX = fmesa->hw_viewport[MAT_TX]; \ - GLfloat VP_SY = fmesa->hw_viewport[MAT_SY]; \ - GLfloat VP_TY = fmesa->hw_viewport[MAT_TY]; \ - GLfloat VP_SZ = fmesa->hw_viewport[MAT_SZ]; \ - GLfloat VP_TZ = fmesa->hw_viewport[MAT_TZ]; \ - (void) VP_SX; (void) VP_SY; (void) VP_SZ; \ - (void) VP_TX; (void) VP_TY; (void) VP_TZ - -#define FFB_GET_Z(VTX) \ - FFB_Z_FROM_FLOAT(VP_SZ * (VTX)->z + VP_TZ) -#define FFB_GET_Y(VTX) \ - FFB_XY_FROM_FLOAT(VP_SY * (VTX)->y + VP_TY) -#define FFB_GET_X(VTX) \ - FFB_XY_FROM_FLOAT(VP_SX * (VTX)->x + VP_TX) - -typedef void (*ffb_point_func)(GLcontext *, ffb_vertex *); -typedef void (*ffb_line_func)(GLcontext *, ffb_vertex *, ffb_vertex *); -typedef void (*ffb_tri_func)(GLcontext *, ffb_vertex *, ffb_vertex *, - ffb_vertex *); -typedef void (*ffb_quad_func)(GLcontext *, ffb_vertex *, ffb_vertex *, - ffb_vertex *, ffb_vertex *); - -/* Immediate mode fast-path support. */ -typedef struct { - GLfloat obj[4]; - GLfloat normal[4]; - GLfloat clip[4]; - GLuint mask; - GLfloat color[4]; - GLfloat win[4]; - GLfloat eye[4]; -} ffbTnlVertex, *ffbTnlVertexPtr; - -typedef void (*ffb_interp_func)(GLfloat t, - ffbTnlVertex *O, - const ffbTnlVertex *I, - const ffbTnlVertex *J); - -struct ffb_current_state { - GLfloat color[4]; - GLfloat normal[4]; - GLfloat specular[4]; -}; - -struct ffb_light_state { - GLfloat base_color[3]; - GLfloat base_alpha; -}; - -struct ffb_vertex_state { - struct ffb_current_state current; - struct ffb_light_state light; -}; - -struct ffb_imm_vertex { - ffbTnlVertex vertices[8]; - ffbTnlVertex *v0; - ffbTnlVertex *v1; - ffbTnlVertex *v2; - ffbTnlVertex *v3; - - void (*save_vertex)(GLcontext *ctx, ffbTnlVertex *v); - void (*flush_vertex)(GLcontext *ctx, ffbTnlVertex *v); - - ffb_interp_func interp; - - GLuint prim, format; - - GLvertexformat vtxfmt; -}; - -typedef struct ffb_context_t { - GLcontext *glCtx; - GLframebuffer *glBuffer; - - ffb_fbcPtr regs; - volatile char *sfb32; - - int hw_locked; - - int back_buffer; /* 0 = bufferA, 1 = bufferB */ - - /* Viewport matrix. */ - GLfloat hw_viewport[16]; -#define SUBPIXEL_X (-0.5F) -#define SUBPIXEL_Y (-0.5F + 0.125) - - /* Vertices in driver format. */ - ffb_vertex *verts; - - /* Rasterization functions. */ - ffb_point_func draw_point; - ffb_line_func draw_line; - ffb_tri_func draw_tri; - ffb_quad_func draw_quad; - - GLenum raster_primitive; - GLenum render_primitive; - - GLfloat backface_sign; - GLfloat depth_scale; - - GLfloat ffb_2_30_fixed_scale; - GLfloat ffb_one_over_2_30_fixed_scale; - GLfloat ffb_16_16_fixed_scale; - GLfloat ffb_one_over_16_16_fixed_scale; - GLfloat ffb_ubyte_color_scale; - GLfloat ffb_zero; - - /* Immediate mode state. */ - struct ffb_vertex_state vtx_state; - struct ffb_imm_vertex imm; - - /* Debugging knobs. */ - GLboolean debugFallbacks; - - /* This records state bits when a per-fragment attribute has - * been set which prevents us from rendering in hardware. - * - * As attributes change, some of these bits may clear as - * we move back within the chips capabilities. If they - * all clear, we return to full hw rendering. - */ - unsigned int bad_fragment_attrs; -#define FFB_BADATTR_FOG 0x00000001 /* Bad fog possible only when < FFB2 */ -#define FFB_BADATTR_BLENDFUNC 0x00000002 /* Any non-const func based upon dst alpha */ -#define FFB_BADATTR_BLENDROP 0x00000004 /* Blend enabled and LogicOP != GL_COPY */ -#define FFB_BADATTR_BLENDEQN 0x00000008 /* Blend equation other than ADD */ -#define FFB_BADATTR_STENCIL 0x00000010 /* Stencil enabled when < FFB2+ */ -#define FFB_BADATTR_TEXTURE 0x00000020 /* Texture enabled */ -#define FFB_BADATTR_SWONLY 0x00000040 /* Environment var set */ - - unsigned int state_dirty; - unsigned int state_fifo_ents; -#define FFB_STATE_FBC 0x00000001 -#define FFB_STATE_PPC 0x00000002 -#define FFB_STATE_DRAWOP 0x00000004 -#define FFB_STATE_ROP 0x00000008 -#define FFB_STATE_LPAT 0x00000010 -#define FFB_STATE_PMASK 0x00000020 -#define FFB_STATE_XPMASK 0x00000040 -#define FFB_STATE_YPMASK 0x00000080 -#define FFB_STATE_ZPMASK 0x00000100 -#define FFB_STATE_XCLIP 0x00000200 -#define FFB_STATE_CMP 0x00000400 -#define FFB_STATE_MATCHAB 0x00000800 -#define FFB_STATE_MAGNAB 0x00001000 -#define FFB_STATE_MATCHC 0x00002000 -#define FFB_STATE_MAGNC 0x00004000 -#define FFB_STATE_DCUE 0x00008000 -#define FFB_STATE_BLEND 0x00010000 -#define FFB_STATE_CLIP 0x00020000 -#define FFB_STATE_STENCIL 0x00040000 -#define FFB_STATE_APAT 0x00080000 -#define FFB_STATE_WID 0x00100000 -#define FFB_STATE_ALL 0x001fffff - - unsigned int state_all_fifo_ents; - -#define FFB_MAKE_DIRTY(FMESA, STATE_MASK, FIFO_ENTS) \ -do { if ((STATE_MASK) & ~((FMESA)->state_dirty)) { \ - (FMESA)->state_dirty |= (STATE_MASK); \ - (FMESA)->state_fifo_ents += FIFO_ENTS; \ - } \ -} while (0) - - /* General hw reg state. */ - unsigned int fbc; - unsigned int ppc; - unsigned int drawop; - unsigned int rop; - - unsigned int lpat; -#define FFB_LPAT_BAD 0xffffffff - - unsigned int wid; - unsigned int pmask; - unsigned int xpmask; - unsigned int ypmask; - unsigned int zpmask; - unsigned int xclip; - unsigned int cmp; - unsigned int matchab; - unsigned int magnab; - unsigned int matchc; - unsigned int magnc; - - /* Depth cue unit hw reg state. */ - unsigned int dcss; /* All FFB */ - unsigned int dcsf; /* All FFB */ - unsigned int dcsb; /* All FFB */ - unsigned int dczf; /* All FFB */ - unsigned int dczb; /* All FFB */ - unsigned int dcss1; /* >=FFB2 only */ - unsigned int dcss2; /* >=FFB2 only */ - unsigned int dcss3; /* >=FFB2 only */ - unsigned int dcs2; /* >=FFB2 only */ - unsigned int dcs3; /* >=FFB2 only */ - unsigned int dcs4; /* >=FFB2 only */ - unsigned int dcd2; /* >=FFB2 only */ - unsigned int dcd3; /* >=FFB2 only */ - unsigned int dcd4; /* >=FFB2 only */ - - /* Blend unit hw reg state. */ - unsigned int blendc; - unsigned int blendc1; - unsigned int blendc2; - - /* ViewPort clipping hw reg state. */ - unsigned int vclipmin; - unsigned int vclipmax; - unsigned int vclipzmin; - unsigned int vclipzmax; - struct { - unsigned int min; - unsigned int max; - } aux_clips[4]; - - /* Stencil control hw reg state. >=FFB2+ only. */ - unsigned int stencil; - unsigned int stencilctl; - unsigned int consty; /* Stencil Ref */ - - /* Area pattern (used for polygon stipples). */ - unsigned int pattern[32]; - - /* Fog state. */ - float Znear, Zfar; - - drm_context_t hHWContext; - drm_hw_lock_t *driHwLock; - int driFd; - - unsigned int clear_pixel; - unsigned int clear_depth; - unsigned int clear_stencil; - - unsigned int setupindex; - unsigned int setupnewinputs; - unsigned int new_gl_state; - - __DRIdrawable *driDrawable; - __DRIscreen *driScreen; - ffbScreenPrivate *ffbScreen; - ffb_dri_state_t *ffb_sarea; -} ffbContextRec, *ffbContextPtr; - -#define FFB_CONTEXT(ctx) ((ffbContextPtr)((ctx)->DriverCtx)) - -/* We want the depth values written during software rendering - * to match what the hardware is going to put there when we - * hw render. - * - * The Z buffer is 28 bits deep. Smooth shaded primitives - * specify a 2:30 signed fixed point Z value in the range 0.0 - * to 1.0 inclusive. - * - * So for example, when hw rendering, the largest Z value of - * 1.0 would produce a value of 0x0fffffff in the actual Z - * buffer, which is the maximum value. - * - * Mesa's depth type is a 32-bit uint, so we use the following macro - * to convert to/from FFB hw Z values. Note we also have to clear - * out the top bits as that is where the Y (stencil) buffer is stored - * and during hw Z buffer reads it is always there. (During writes - * we tell the hw to discard those top 4 bits). - */ -#define Z_TO_MESA(VAL) ((GLuint)(((VAL) & 0x0fffffff) << (32 - 28))) -#define Z_FROM_MESA(VAL) (((GLuint)((GLdouble)(VAL))) >> (32 - 28)) - -#endif /* !(_FFB_CONTEXT_H) */ |