diff options
Diffstat (limited to 'src/mesa/main/texformat_tmp.h')
-rw-r--r-- | src/mesa/main/texformat_tmp.h | 119 |
1 files changed, 45 insertions, 74 deletions
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h index 0d3519188e2..99785da1a0a 100644 --- a/src/mesa/main/texformat_tmp.h +++ b/src/mesa/main/texformat_tmp.h @@ -1060,6 +1060,7 @@ static void FETCH(ci8)( const struct gl_texture_image *texImage, { const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1); const struct gl_color_table *palette; + GLubyte texelUB[4]; GLuint index; GET_CURRENT_CONTEXT(ctx); @@ -1075,91 +1076,61 @@ static void FETCH(ci8)( const struct gl_texture_image *texImage, /* Mask the index against size of palette to avoid going out of bounds */ index = (*src) & (palette->Size - 1); - if (palette->Type == GL_FLOAT) { - const GLfloat *ftable = (const GLfloat *) palette->Table; + { + const GLubyte *table = palette->TableUB; switch (palette->_BaseFormat) { case GL_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0; - texel[ACOMP] = (GLchan) (ftable[index] * CHAN_MAX); - return; + texelUB[RCOMP] = + texelUB[GCOMP] = + texelUB[BCOMP] = 0; + texelUB[ACOMP] = table[index]; + break;; case GL_LUMINANCE: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = (GLchan) (ftable[index] * CHAN_MAX); - texel[ACOMP] = CHAN_MAX; + texelUB[RCOMP] = + texelUB[GCOMP] = + texelUB[BCOMP] = table[index]; + texelUB[ACOMP] = 255; break; case GL_INTENSITY: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = ftable[index] * CHAN_MAX; - return; + texelUB[RCOMP] = + texelUB[GCOMP] = + texelUB[BCOMP] = + texelUB[ACOMP] = table[index]; + break;; case GL_LUMINANCE_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = (GLchan) (ftable[index * 2 + 0] * CHAN_MAX); - texel[ACOMP] = (GLchan) (ftable[index * 2 + 1] * CHAN_MAX); - return; + texelUB[RCOMP] = + texelUB[GCOMP] = + texelUB[BCOMP] = table[index * 2 + 0]; + texelUB[ACOMP] = table[index * 2 + 1]; + break;; case GL_RGB: - texel[RCOMP] = (GLchan) (ftable[index * 3 + 0] * CHAN_MAX); - texel[GCOMP] = (GLchan) (ftable[index * 3 + 1] * CHAN_MAX); - texel[BCOMP] = (GLchan) (ftable[index * 3 + 2] * CHAN_MAX); - texel[ACOMP] = CHAN_MAX; - return; + texelUB[RCOMP] = table[index * 3 + 0]; + texelUB[GCOMP] = table[index * 3 + 1]; + texelUB[BCOMP] = table[index * 3 + 2]; + texelUB[ACOMP] = 255; + break;; case GL_RGBA: - texel[RCOMP] = (GLchan) (ftable[index * 4 + 0] * CHAN_MAX); - texel[GCOMP] = (GLchan) (ftable[index * 4 + 1] * CHAN_MAX); - texel[BCOMP] = (GLchan) (ftable[index * 4 + 2] * CHAN_MAX); - texel[ACOMP] = (GLchan) (ftable[index * 4 + 3] * CHAN_MAX); - return; - default: - _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); - } - } - else { - const GLchan *table = (const GLchan *) palette->Table; - switch (palette->_BaseFormat) { - case GL_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = 0; - texel[ACOMP] = table[index]; - return; - case GL_LUMINANCE: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = table[index]; - texel[ACOMP] = CHAN_MAX; - break; - case GL_INTENSITY: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = - texel[ACOMP] = table[index]; - return; - case GL_LUMINANCE_ALPHA: - texel[RCOMP] = - texel[GCOMP] = - texel[BCOMP] = table[index * 2 + 0]; - texel[ACOMP] = table[index * 2 + 1]; - return; - case GL_RGB: - texel[RCOMP] = table[index * 3 + 0]; - texel[GCOMP] = table[index * 3 + 1]; - texel[BCOMP] = table[index * 3 + 2]; - texel[ACOMP] = CHAN_MAX; - return; - case GL_RGBA: - texel[RCOMP] = table[index * 4 + 0]; - texel[GCOMP] = table[index * 4 + 1]; - texel[BCOMP] = table[index * 4 + 2]; - texel[ACOMP] = table[index * 4 + 3]; - return; + texelUB[RCOMP] = table[index * 4 + 0]; + texelUB[GCOMP] = table[index * 4 + 1]; + texelUB[BCOMP] = table[index * 4 + 2]; + texelUB[ACOMP] = table[index * 4 + 3]; + break;; default: _mesa_problem(ctx, "Bad palette format in fetch_texel_ci8"); } +#if CHAN_TYPE == GL_UNSIGNED_BYTE + COPY_4UBV(texel, texelUB); +#elif CHAN_TYPE == GL_UNSIGNED_SHORT + texel[0] = UBYTE_TO_USHORT(texelUB[0]); + texel[1] = UBYTE_TO_USHORT(texelUB[1]); + texel[2] = UBYTE_TO_USHORT(texelUB[2]); + texel[3] = UBYTE_TO_USHORT(texelUB[3]); +#else + texel[0] = UBYTE_TO_FLOAT(texelUB[0]); + texel[1] = UBYTE_TO_FLOAT(texelUB[1]); + texel[2] = UBYTE_TO_FLOAT(texelUB[2]); + texel[3] = UBYTE_TO_FLOAT(texelUB[3]); +#endif } } |