diff options
| author | Eric Anholt <eric@anholt.net> | 2010-12-09 17:30:41 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-12-10 15:37:10 -0800 |
| commit | 28bab24e1698843e27d27204a1117066e7ffeabb (patch) | |
| tree | e438288520176e2ae30d925dcc8456cfbed6aabd /src/mesa/drivers/dri/common/spantmp2.h | |
| parent | a7e2d649710efaf6b542e8a96453baba5c58321f (diff) | |
intel: Add spans code for the ARB_texture_rg support.
This starts spantmp2.h down the path of using MESA_FORMAT_* for
specifying the format instead of the crazy GL format/type combo.
Diffstat (limited to 'src/mesa/drivers/dri/common/spantmp2.h')
| -rw-r--r-- | src/mesa/drivers/dri/common/spantmp2.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/spantmp2.h b/src/mesa/drivers/dri/common/spantmp2.h index abd79562f9..f436d1398c 100644 --- a/src/mesa/drivers/dri/common/spantmp2.h +++ b/src/mesa/drivers/dri/common/spantmp2.h @@ -48,6 +48,15 @@ #define HW_WRITE_CLIPLOOP() HW_CLIPLOOP() #endif +#ifdef SPANTMP_MESA_FMT +#define SPANTMP_PIXEL_FMT GL_NONE +#define SPANTMP_PIXEL_TYPE GL_NONE +#endif + +#ifndef SPANTMP_MESA_FMT +#define SPANTMP_MESA_FMT MESA_FORMAT_COUNT +#endif + #if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5) /** @@ -445,6 +454,118 @@ rgba[3] = p; \ } while (0) +#elif (SPANTMP_MESA_FMT == MESA_FORMAT_R8) + +#ifndef GET_VALUE +#ifndef GET_PTR +#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch) +#endif + +#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y)) +#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v) +#endif /* GET_VALUE */ + +# define INIT_MONO_PIXEL(p, color) \ + p = color[0] + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, r) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLubyte p = GET_VALUE(_x, _y); \ + rgba[0] = p; \ + rgba[1] = 0; \ + rgba[2] = 0; \ + rgba[3] = 0; \ + } while (0) + +#elif (SPANTMP_MESA_FMT == MESA_FORMAT_RG88) + +#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) \ + PACK_COLOR_8888(color[0], color[1], 0, 0) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, r) + +#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 & 0xff; \ + rgba[1] = (p >> 8) & 0xff; \ + rgba[2] = 0; \ + rgba[3] = 0; \ + } while (0) + +#elif (SPANTMP_MESA_FMT == MESA_FORMAT_R16) + +#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 = color[0] + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, r) + +#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; \ + rgba[1] = 0; \ + rgba[2] = 0; \ + rgba[3] = 0; \ + } while (0) + +#elif (SPANTMP_MESA_FMT == MESA_FORMAT_RG1616) + +#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) \ + ((color[1] << 16) | (color[0])) + +# define WRITE_RGBA(_x, _y, r, g, b, a) \ + PUT_VALUE(_x, _y, r) + +#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p) + +#define READ_RGBA( rgba, _x, _y ) \ + do { \ + GLuint p = GET_VALUE(_x, _y); \ + rgba[0] = p & 0xffff; \ + rgba[1] = (p >> 16) & 0xffff; \ + rgba[2] = 0; \ + rgba[3] = 0; \ + } while (0) + #else #error SPANTMP_PIXEL_FMT must be set to a valid value! #endif @@ -914,3 +1035,4 @@ static void TAG(InitPointers)(struct gl_renderbuffer *rb) #undef GET_PTR #undef SPANTMP_PIXEL_FMT #undef SPANTMP_PIXEL_TYPE +#undef SPANTMP_MESA_FMT |