diff options
author | Michal Krol <michal@vmware.com> | 2009-12-17 22:37:15 +0100 |
---|---|---|
committer | Michal Krol <michal@vmware.com> | 2009-12-17 22:37:15 +0100 |
commit | 16c6dce013f089d072256652f012b3b604781bfd (patch) | |
tree | 077623708990a855f9be2dfeb3925f727e6207e7 /src/gallium/auxiliary/util/u_pack_color.h | |
parent | 440fc5bf788201a265892ff2e12bf102e63a2896 (diff) | |
parent | 294bd53d4b6b15a6890599c46f14b205a3c738bf (diff) |
Merge branch 'master' into pipe-format-simplify
Conflicts:
src/gallium/auxiliary/draw/draw_pipe_aaline.c
src/gallium/auxiliary/draw/draw_pipe_pstipple.c
src/gallium/auxiliary/util/u_blit.c
src/gallium/auxiliary/util/u_gen_mipmap.c
src/gallium/auxiliary/util/u_surface.c
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
src/gallium/drivers/cell/ppu/cell_texture.c
src/gallium/drivers/llvmpipe/lp_texture.c
src/gallium/drivers/r300/r300_emit.c
src/gallium/drivers/r300/r300_texture.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_tile_cache.c
src/gallium/drivers/svga/svga_state_vs.c
src/gallium/include/pipe/p_format.h
src/gallium/state_trackers/dri/dri_drawable.c
src/gallium/state_trackers/egl/egl_surface.c
src/gallium/state_trackers/python/p_device.i
src/gallium/state_trackers/python/st_softpipe_winsys.c
src/gallium/state_trackers/vega/api_filters.c
src/gallium/state_trackers/vega/image.c
src/gallium/state_trackers/vega/mask.c
src/gallium/state_trackers/vega/paint.c
src/gallium/state_trackers/vega/renderer.c
src/gallium/state_trackers/vega/vg_tracker.c
src/gallium/state_trackers/xorg/xorg_crtc.c
src/gallium/state_trackers/xorg/xorg_dri2.c
src/gallium/state_trackers/xorg/xorg_exa.c
src/gallium/state_trackers/xorg/xorg_renderer.c
src/gallium/state_trackers/xorg/xorg_xv.c
src/gallium/state_trackers/xorg/xvmc/surface.c
src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
src/gallium/winsys/drm/radeon/core/radeon_buffer.c
src/gallium/winsys/egl_xlib/sw_winsys.c
src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c
src/gallium/winsys/gdi/gdi_softpipe_winsys.c
src/gallium/winsys/xlib/xlib_cell.c
src/gallium/winsys/xlib/xlib_llvmpipe.c
src/gallium/winsys/xlib/xlib_softpipe.c
src/mesa/state_tracker/st_cb_fbo.c
src/mesa/state_tracker/st_cb_texture.c
src/mesa/state_tracker/st_texture.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_pack_color.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_pack_color.h | 147 |
1 files changed, 65 insertions, 82 deletions
diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h index 30cc7969e9..7de62d3228 100644 --- a/src/gallium/auxiliary/util/u_pack_color.h +++ b/src/gallium/auxiliary/util/u_pack_color.h @@ -41,101 +41,97 @@ #include "util/u_math.h" + +union util_color { + ubyte ub; + ushort us; + uint ui; + float f[4]; +}; + /** * Pack ubyte R,G,B,A into dest pixel. */ static INLINE void util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a, - enum pipe_format format, void *dest) + enum pipe_format format, union util_color *uc) { switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | a; + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; } return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | 0xff; + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; } return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (a << 24) | (r << 16) | (g << 8) | b; + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (0xff << 24) | (r << 16) | (g << 8) | b; + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | a; + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; } return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | 0xff; + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; } return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); } return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); } return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); } return; case PIPE_FORMAT_A8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = a; + uc->ub = a; } return; case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_I8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = r; + uc->ub = a; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - float *d = (float *) dest; - d[0] = (float)r / 255.0f; - d[1] = (float)g / 255.0f; - d[2] = (float)b / 255.0f; - d[3] = (float)a / 255.0f; + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; + uc->f[3] = (float)a / 255.0f; } return; case PIPE_FORMAT_R32G32B32_FLOAT: { - float *d = (float *) dest; - d[0] = (float)r / 255.0f; - d[1] = (float)g / 255.0f; - d[2] = (float)b / 255.0f; + uc->f[0] = (float)r / 255.0f; + uc->f[1] = (float)g / 255.0f; + uc->f[2] = (float)b / 255.0f; } return; /* XXX lots more cases to add */ default: + uc->ui = 0; /* keep compiler happy */ debug_print_format("gallium: unhandled format in util_pack_color_ub()", format); assert(0); } @@ -146,13 +142,13 @@ util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a, * Unpack RGBA from a packed pixel, returning values as ubytes in [0,255]. */ static INLINE void -util_unpack_color_ub(enum pipe_format format, const void *src, +util_unpack_color_ub(enum pipe_format format, union util_color *uc, ubyte *r, ubyte *g, ubyte *b, ubyte *a) { switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 24) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 8) & 0xff); @@ -161,7 +157,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 24) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 8) & 0xff); @@ -170,7 +166,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 16) & 0xff); *g = (ubyte) ((p >> 8) & 0xff); *b = (ubyte) ((p >> 0) & 0xff); @@ -179,7 +175,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 16) & 0xff); *g = (ubyte) ((p >> 8) & 0xff); *b = (ubyte) ((p >> 0) & 0xff); @@ -188,7 +184,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 8) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 24) & 0xff); @@ -197,7 +193,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint p = ((const uint *) src)[0]; + uint p = uc->ui; *r = (ubyte) ((p >> 8) & 0xff); *g = (ubyte) ((p >> 16) & 0xff); *b = (ubyte) ((p >> 24) & 0xff); @@ -206,7 +202,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 8) & 0xf8) | ((p >> 13) & 0x7)); *g = (ubyte) (((p >> 3) & 0xfc) | ((p >> 9) & 0x3)); *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); @@ -215,7 +211,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7)); *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7)); *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7)); @@ -224,7 +220,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort p = ((const ushort *) src)[0]; + ushort p = uc->us; *r = (ubyte) (((p >> 4) & 0xf0) | ((p >> 8) & 0xf)); *g = (ubyte) (((p >> 0) & 0xf0) | ((p >> 4) & 0xf)); *b = (ubyte) (((p << 4) & 0xf0) | ((p >> 0) & 0xf)); @@ -233,27 +229,27 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_A8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = (ubyte) 0xff; *a = p; } return; case PIPE_FORMAT_L8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = p; *a = (ubyte) 0xff; } return; case PIPE_FORMAT_I8_UNORM: { - ubyte p = ((const ubyte *) src)[0]; + ubyte p = uc->ub; *r = *g = *b = *a = p; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = float_to_ubyte(p[2]); @@ -262,7 +258,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, return; case PIPE_FORMAT_R32G32B32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = float_to_ubyte(p[2]); @@ -272,7 +268,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, case PIPE_FORMAT_R32G32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = float_to_ubyte(p[1]); *b = *a = (ubyte) 0xff; @@ -281,7 +277,7 @@ util_unpack_color_ub(enum pipe_format format, const void *src, case PIPE_FORMAT_R32_FLOAT: { - const float *p = (const float *) src; + const float *p = &uc->f[0]; *r = float_to_ubyte(p[0]); *g = *b = *a = (ubyte) 0xff; } @@ -294,14 +290,13 @@ util_unpack_color_ub(enum pipe_format format, const void *src, assert(0); } } - /** * Note rgba outside [0,1] will be clamped for int pixel formats. */ static INLINE void -util_pack_color(const float rgba[4], enum pipe_format format, void *dest) +util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc) { ubyte r = 0; ubyte g = 0; @@ -319,90 +314,78 @@ util_pack_color(const float rgba[4], enum pipe_format format, void *dest) switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | a; + uc->ui = (r << 24) | (g << 16) | (b << 8) | a; } return; case PIPE_FORMAT_R8G8B8X8_UNORM: { - uint *d = (uint *) dest; - *d = (r << 24) | (g << 16) | (b << 8) | 0xff; + uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff; } return; case PIPE_FORMAT_A8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (a << 24) | (r << 16) | (g << 8) | b; + uc->ui = (a << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_X8R8G8B8_UNORM: { - uint *d = (uint *) dest; - *d = (0xff << 24) | (r << 16) | (g << 8) | b; + uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b; } return; case PIPE_FORMAT_B8G8R8A8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | a; + uc->ui = (b << 24) | (g << 16) | (r << 8) | a; } return; case PIPE_FORMAT_B8G8R8X8_UNORM: { - uint *d = (uint *) dest; - *d = (b << 24) | (g << 16) | (r << 8) | 0xff; + uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff; } return; case PIPE_FORMAT_R5G6B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); + uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3); } return; case PIPE_FORMAT_A1R5G5B5_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); + uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3); } return; case PIPE_FORMAT_A4R4G4B4_UNORM: { - ushort *d = (ushort *) dest; - *d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); + uc->ub = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4); } return; case PIPE_FORMAT_A8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = a; + uc->ub = a; } return; case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_I8_UNORM: { - ubyte *d = (ubyte *) dest; - *d = r; + uc->ub = r; } return; case PIPE_FORMAT_R32G32B32A32_FLOAT: { - float *d = (float *) dest; - d[0] = rgba[0]; - d[1] = rgba[1]; - d[2] = rgba[2]; - d[3] = rgba[3]; + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; + uc->f[3] = rgba[3]; } return; case PIPE_FORMAT_R32G32B32_FLOAT: { - float *d = (float *) dest; - d[0] = rgba[0]; - d[1] = rgba[1]; - d[2] = rgba[2]; + uc->f[0] = rgba[0]; + uc->f[1] = rgba[1]; + uc->f[2] = rgba[2]; } return; /* XXX lots more cases to add */ default: + uc->ui = 0; /* keep compiler happy */ debug_print_format("gallium: unhandled format in util_pack_color()", format); assert(0); } |