diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/spantmp2.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/spantmp2.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/spantmp2.h b/src/mesa/drivers/dri/common/spantmp2.h index 89c815722f6..dd5e29f8ce6 100644 --- a/src/mesa/drivers/dri/common/spantmp2.h +++ b/src/mesa/drivers/dri/common/spantmp2.h @@ -82,6 +82,71 @@ rgba[3] = 0xff; \ } while (0) +#elif (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5_REV) + +/** + ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_565_REV( color[0], color[1], color[2] ) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_565_REV( r, g, b )) + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = bswap_16(GET_VALUE(_x, _y)); \ + rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = 0xff; \ + } while (0) + +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_4444_REV(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_4444_REV(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = GET_VALUE(_x, _y); \ + rgba[0] = ((p >> 0) & 0xf) * 0x11; \ + rgba[1] = ((p >> 12) & 0xf) * 0x11; \ + rgba[2] = ((p >> 4) & 0xf) * 0x11; \ + rgba[3] = ((p >> 8) & 0xf) * 0x11; \ + } while (0) + + #elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4_REV) /** @@ -147,6 +212,38 @@ rgba[3] = ((p >> 15) & 0x1) * 0xff; \ } while (0) +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5) + +/** + ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +#define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_1555_REV(color[3], color[0], color[1], color[2]) + +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + PUT_VALUE(_x, _y, PACK_COLOR_1555_REV(a, r, g, b)) \ + +#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLushort p = bswap_16(GET_VALUE(_x, _y)); \ + rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \ + rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \ + rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ + rgba[3] = ((p >> 15) & 0x1) * 0xff; \ + } while (0) + #elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV) /** @@ -202,6 +299,61 @@ } while (0) # endif +#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8) + +/** + ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8 + **/ + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = PACK_COLOR_8888(color[2], color[1], color[0], color[3]) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, ((r << 8) | \ + (g << 16) | \ + (b << 24) | \ + (a << 0))) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +# if defined( USE_X86_ASM ) +# define READ_RGBA(rgba, _x, _y) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + __asm__ __volatile__( "rorl $8, %0" \ + : "=r" (p) : "0" (p) ); \ + ((GLuint *)rgba)[0] = p; \ + } while (0) +# elif defined( MESA_BIG_ENDIAN ) + /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single + * rotlwi instruction. It also produces good code on SPARC. + */ +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = CPU_TO_LE32(GET_VALUE(_x, _y)); \ + GLuint t = p; \ + *((uint32_t *) rgba) = (t >> 24) | (p << 8); \ + } while (0) +# else +# define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + rgba[0] = (p >> 8) & 0xff; \ + rgba[1] = (p >> 16) & 0xff; \ + rgba[2] = (p >> 24) & 0xff; \ + rgba[3] = (p >> 0) & 0xff; \ + } while (0) +# endif + #else #error SPANTMP_PIXEL_FMT must be set to a valid value! #endif |