diff options
Diffstat (limited to 'src/mesa/main/texformat.c')
| -rw-r--r-- | src/mesa/main/texformat.c | 153 |
1 files changed, 150 insertions, 3 deletions
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c index b75a787862f..ce145d800bc 100644 --- a/src/mesa/main/texformat.c +++ b/src/mesa/main/texformat.c @@ -1,4 +1,4 @@ -/* $Id: texformat.c,v 1.11 2001/06/15 14:18:46 brianp Exp $ */ +/* $Id: texformat.c,v 1.12 2002/06/15 02:38:16 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -438,6 +438,153 @@ const struct gl_texture_format _mesa_texformat_ci8 = { }; +/* Big-endian */ +#if 0 +const struct gl_texture_format _mesa_texformat_abgr8888 = { + MESA_FORMAT_ABGR8888, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_INT_8_8_8_8, /* Type */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + fetch_1d_texel_abgr8888, /* FetchTexel1D */ + fetch_2d_texel_abgr8888, /* FetchTexel2D */ + fetch_3d_texel_abgr8888, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgra8888 = { + MESA_FORMAT_BGRA8888, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_INT_8_8_8_8, /* Type */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 8, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 4, /* TexelBytes */ + fetch_1d_texel_bgra8888, /* FetchTexel1D */ + fetch_2d_texel_bgra8888, /* FetchTexel2D */ + fetch_3d_texel_bgra8888, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgr888 = { + MESA_FORMAT_BGR888, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_BYTE, /* Type */ + 8, /* RedBits */ + 8, /* GreenBits */ + 8, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 3, /* TexelBytes */ + fetch_1d_texel_bgr888, /* FetchTexel1D */ + fetch_2d_texel_bgr888, /* FetchTexel2D */ + fetch_3d_texel_bgr888, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgr565 = { + MESA_FORMAT_BGR565, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_SHORT_5_6_5, /* Type */ + 5, /* RedBits */ + 6, /* GreenBits */ + 5, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + fetch_1d_texel_bgr565, /* FetchTexel1D */ + fetch_2d_texel_bgr565, /* FetchTexel2D */ + fetch_3d_texel_bgr565, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgra4444 = { + MESA_FORMAT_BGRA4444, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_SHORT_4_4_4_4_REV, /* Type */ + 4, /* RedBits */ + 4, /* GreenBits */ + 4, /* BlueBits */ + 4, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + fetch_1d_texel_bgra4444, /* FetchTexel1D */ + fetch_2d_texel_bgra4444, /* FetchTexel2D */ + fetch_3d_texel_bgra4444, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgra5551 = { + MESA_FORMAT_BGRA5551, /* MesaFormat */ + GL_RGBA, /* BaseFormat */ + GL_UNSIGNED_SHORT_1_5_5_5_REV, /* Type */ + 5, /* RedBits */ + 5, /* GreenBits */ + 5, /* BlueBits */ + 1, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + fetch_1d_texel_bgra1555, /* FetchTexel1D */ + fetch_2d_texel_bgra1555, /* FetchTexel2D */ + fetch_3d_texel_bgra1555, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_la88 = { + MESA_FORMAT_LA88, /* MesaFormat */ + GL_LUMINANCE_ALPHA, /* BaseFormat */ + GL_UNSIGNED_BYTE, /* Type */ + 0, /* RedBits */ + 0, /* GreenBits */ + 0, /* BlueBits */ + 8, /* AlphaBits */ + 8, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 2, /* TexelBytes */ + fetch_1d_texel_la88, /* FetchTexel1D */ + fetch_2d_texel_la88, /* FetchTexel2D */ + fetch_3d_texel_la88, /* FetchTexel3D */ +}; + +const struct gl_texture_format _mesa_texformat_bgr233 = { + MESA_FORMAT_BGR233, /* MesaFormat */ + GL_RGB, /* BaseFormat */ + GL_UNSIGNED_BYTE_3_3_2, /* Type */ + 3, /* RedBits */ + 3, /* GreenBits */ + 2, /* BlueBits */ + 0, /* AlphaBits */ + 0, /* LuminanceBits */ + 0, /* IntensityBits */ + 0, /* IndexBits */ + 0, /* DepthBits */ + 1, /* TexelBytes */ + fetch_1d_texel_bgr233, /* FetchTexel1D */ + fetch_2d_texel_bgr233, /* FetchTexel2D */ + fetch_3d_texel_bgr233, /* FetchTexel3D */ +}; +#endif + /* ============================================================= * Null format: */ @@ -472,8 +619,8 @@ _mesa_is_hardware_tex_format( const struct gl_texture_format *format ) /* Given an internal texture format (or 1, 2, 3, 4) return a pointer * to a gl_texture_format which which to store the texture. * This is called via ctx->Driver.ChooseTextureFormat(). - * Hardware drivers should not use this function, but instead a - * specialized function. + * Hardware drivers typically override this function with a specialized + * version. */ const struct gl_texture_format * _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat, |