diff options
author | Dave Airlie <airlied@redhat.com> | 2009-03-20 10:52:17 +1000 |
---|---|---|
committer | Dave Airlie <airlied@redhat.com> | 2009-03-20 10:52:17 +1000 |
commit | 407e8ae5b167b0193e1e5b1266a5d61ed836dfb5 (patch) | |
tree | 2d9d05a5c3122f41a13aa8bd9ae921c1176e6b0d /src/gallium/drivers/softpipe/sp_quad.h | |
parent | bdaa0341caffc353fd26bbd91865c2d86eed11c1 (diff) | |
parent | 114bb54324f22cb53bcd14607234d0acd74d37bd (diff) |
Merge remote branch 'main/master' into radeon-rewrite
Conflicts:
src/mesa/drivers/dri/r300/r300_cmdbuf.c
src/mesa/drivers/dri/r300/r300_state.c
src/mesa/drivers/dri/r300/r300_swtcl.c
src/mesa/drivers/dri/r300/radeon_ioctl.c
src/mesa/drivers/dri/radeon/radeon_screen.c
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad.h')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_quad.h | 81 |
1 files changed, 59 insertions, 22 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad.h b/src/gallium/drivers/softpipe/sp_quad.h index 08513cb95f..bd6c6cb912 100644 --- a/src/gallium/drivers/softpipe/sp_quad.h +++ b/src/gallium/drivers/softpipe/sp_quad.h @@ -31,39 +31,76 @@ #ifndef SP_QUAD_H #define SP_QUAD_H +#include "pipe/p_state.h" +#include "tgsi/tgsi_exec.h" -struct softpipe_context; -struct quad_header; +#define QUAD_PRIM_POINT 1 +#define QUAD_PRIM_LINE 2 +#define QUAD_PRIM_TRI 3 -struct quad_stage { - struct softpipe_context *softpipe; - struct quad_stage *next; +/* The rasterizer generates 2x2 quads of fragment and feeds them to + * the current fp_machine (see below). + * Remember that Y=0=top with Y increasing down the window. + */ +#define QUAD_TOP_LEFT 0 +#define QUAD_TOP_RIGHT 1 +#define QUAD_BOTTOM_LEFT 2 +#define QUAD_BOTTOM_RIGHT 3 + +#define MASK_TOP_LEFT (1 << QUAD_TOP_LEFT) +#define MASK_TOP_RIGHT (1 << QUAD_TOP_RIGHT) +#define MASK_BOTTOM_LEFT (1 << QUAD_BOTTOM_LEFT) +#define MASK_BOTTOM_RIGHT (1 << QUAD_BOTTOM_RIGHT) +#define MASK_ALL 0xf + + +/** + * Quad stage inputs (pos, coverage, front/back face, etc) + */ +struct quad_header_input +{ + int x0, y0; /**< quad window pos, always even */ + float coverage[QUAD_SIZE]; /**< fragment coverage for antialiasing */ + unsigned facing:1; /**< Front (0) or back (1) facing? */ + unsigned prim:2; /**< QUAD_PRIM_POINT, LINE, TRI */ +}; - void (*begin)(struct quad_stage *qs); - /** the stage action */ - void (*run)(struct quad_stage *qs, struct quad_header *quad); +/** + * Quad stage inputs/outputs. + */ +struct quad_header_inout +{ + unsigned mask:4; +}; + - void (*destroy)(struct quad_stage *qs); +/** + * Quad stage outputs (color & depth). + */ +struct quad_header_output +{ + /** colors in SOA format (rrrr, gggg, bbbb, aaaa) */ + float color[PIPE_MAX_COLOR_BUFS][NUM_CHANNELS][QUAD_SIZE]; + float depth[QUAD_SIZE]; }; -struct quad_stage *sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_earlyz_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_alpha_test_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_stencil_test_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_depth_test_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_occlusion_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_coverage_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_blend_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_colormask_stage( struct softpipe_context *softpipe ); -struct quad_stage *sp_quad_output_stage( struct softpipe_context *softpipe ); +/** + * Encodes everything we need to know about a 2x2 pixel block. Uses + * "Channel-Serial" or "SoA" layout. + */ +struct quad_header { + struct quad_header_input input; + struct quad_header_inout inout; + struct quad_header_output output; -void sp_build_quad_pipeline(struct softpipe_context *sp); + const struct tgsi_interp_coef *coef; + const struct tgsi_interp_coef *posCoef; -void sp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad); + unsigned nr_attrs; +}; #endif /* SP_QUAD_H */ |