texel[ACOMP] = src[0];
}
-/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLfloats */
-static void FETCH(f_alpha)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0;
- texel[ACOMP] = CHAN_TO_FLOAT(src[0]);
-}
-
#if DIM == 3
static void store_texel_alpha(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D LUMIN texture, returning 4 GLfloats */
-static void FETCH(f_luminance)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = CHAN_TO_FLOAT(src[0]);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_luminance(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = src[1];
}
-/* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLfloats */
-static void FETCH(f_luminance_alpha)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = CHAN_TO_FLOAT(src[0]);
- texel[ACOMP] = CHAN_TO_FLOAT(src[1]);
-}
-
#if DIM == 3
static void store_texel_luminance_alpha(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = src[0];
}
-/* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLfloats */
-static void FETCH(f_intensity)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = CHAN_TO_FLOAT(src[0]);
-}
-
#if DIM == 3
static void store_texel_intensity(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
/* MESA_FORMAT_RGBA_F32 ******************************************************/
-/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLchans.
- */
-static void FETCH(rgba_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 4);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[3]);
-}
-
/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT32 texture, returning 4 GLfloats.
*/
static void FETCH(f_rgba_f32)( const struct gl_texture_image *texImage,
/* MESA_FORMAT_RGBA_F16 ******************************************************/
-/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
- * returning 4 GLchans.
- */
-static void FETCH(rgba_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 4);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0]));
- UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1]));
- UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2]));
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[3]));
-}
-
/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_RGB_F32 *******************************************************/
-/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture,
- * returning 4 GLchans.
- */
-static void FETCH(rgb_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 3);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], src[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], src[2]);
- texel[ACOMP] = CHAN_MAX;
-}
-
/* Fetch texel from 1D, 2D or 3D RGB_FLOAT32 texture,
* returning 4 GLfloats.
*/
#endif
-/* MESA_FORAMT_RGB_F16 *******************************************************/
-
-/* Fetch texel from 1D, 2D or 3D RGBA_FLOAT16 texture,
- * returning 4 GLchans.
- */
-static void FETCH(rgb_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 3);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0]));
- UNCLAMPED_FLOAT_TO_CHAN(texel[GCOMP], _mesa_half_to_float(src[1]));
- UNCLAMPED_FLOAT_TO_CHAN(texel[BCOMP], _mesa_half_to_float(src[2]));
- texel[ACOMP] = CHAN_MAX;
-}
+/* MESA_FORMAT_RGB_F16 *******************************************************/
/* Fetch texel from 1D, 2D or 3D RGB_FLOAT16 texture,
* returning 4 GLfloats.
/* MESA_FORMAT_ALPHA_F32 *****************************************************/
-/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture,
- * returning 4 GLchans.
- */
-static void FETCH(alpha_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0;
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[0]);
-}
-
/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT32 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_ALPHA_F32 *****************************************************/
-/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture,
- * returning 4 GLchans.
- */
-static void FETCH(alpha_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0;
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[0]));
-}
-
/* Fetch texel from 1D, 2D or 3D ALPHA_FLOAT16 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_LUMINANCE_F32 *************************************************/
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture,
- * returning 4 GLchans.
- */
-static void FETCH(luminance_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]);
- texel[GCOMP] =
- texel[BCOMP] = texel[RCOMP];
- texel[ACOMP] = CHAN_MAX;
-}
-
/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT32 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_LUMINANCE_F16 *************************************************/
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture,
- * returning 4 GLchans.
- */
-static void FETCH(luminance_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0]));
- texel[GCOMP] =
- texel[BCOMP] = texel[RCOMP];
- texel[ACOMP] = CHAN_MAX;
-}
-
/* Fetch texel from 1D, 2D or 3D LUMINANCE_FLOAT16 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_LUMINANCE_ALPHA_F32 *******************************************/
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture,
- * returning 4 GLchans.
- */
-static void FETCH(luminance_alpha_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 2);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]);
- texel[GCOMP] =
- texel[BCOMP] = texel[RCOMP];
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], src[1]);
-}
-
/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT32 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_LUMINANCE_ALPHA_F16 *******************************************/
-/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture,
- * returning 4 GLfloats.
- */
-static void FETCH(luminance_alpha_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 2);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0]));
- texel[GCOMP] =
- texel[BCOMP] = texel[RCOMP];
- UNCLAMPED_FLOAT_TO_CHAN(texel[ACOMP], _mesa_half_to_float(src[1]));
-}
-
/* Fetch texel from 1D, 2D or 3D LUMINANCE_ALPHA_FLOAT16 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_INTENSITY_F32 *************************************************/
-/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture,
- * returning 4 GLchans.
- */
-static void FETCH(intensity_f32)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLfloat *src = TEXEL_ADDR(GLfloat, texImage, i, j, k, 1);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], src[0]);
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = texel[RCOMP];
-}
-
/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT32 texture,
* returning 4 GLfloats.
*/
/* MESA_FORMAT_INTENSITY_F16 *************************************************/
-/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture,
- * returning 4 GLchans.
- */
-static void FETCH(intensity_f16)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLhalfARB *src = TEXEL_ADDR(GLhalfARB, texImage, i, j, k, 1);
- UNCLAMPED_FLOAT_TO_CHAN(texel[RCOMP], _mesa_half_to_float(src[0]));
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = texel[RCOMP];
-}
-
/* Fetch texel from 1D, 2D or 3D INTENSITY_FLOAT16 texture,
* returning 4 GLfloats.
*/
texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff );
}
-/* Fetch texel from 1D, 2D or 3D rgba8888 texture, return 4 GLfloats */
-static void FETCH(f_rgba8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 24) );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
-}
-
#if DIM == 3
static void store_texel_rgba8888(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) );
}
-/* Fetch texel from 1D, 2D or 3D abgr8888 texture, return 4 GLfloats */
-static void FETCH(f_rgba8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) );
-}
-
#if DIM == 3
static void store_texel_rgba8888_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( (s >> 24) );
}
-/* Fetch texel from 1D, 2D or 3D argb8888 texture, return 4 GLfloats */
-static void FETCH(f_argb8888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s >> 24) );
-}
-
#if DIM == 3
static void store_texel_argb8888(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( (s ) & 0xff );
}
-/* Fetch texel from 1D, 2D or 3D argb8888_rev texture, return 4 GLfloats */
-static void FETCH(f_argb8888_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLuint s = *TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT( (s >> 8) & 0xff );
- texel[GCOMP] = UBYTE_TO_FLOAT( (s >> 16) & 0xff );
- texel[BCOMP] = UBYTE_TO_FLOAT( (s >> 24) );
- texel[ACOMP] = UBYTE_TO_FLOAT( (s ) & 0xff );
-}
-
#if DIM == 3
static void store_texel_argb8888_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D rgb888 texture, return 4 GLfloats */
-static void FETCH(f_rgb888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- texel[RCOMP] = UBYTE_TO_FLOAT( src[2] );
- texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
- texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_rgb888(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D bgr888 texture, return 4 GLfloats */
-static void FETCH(f_bgr888)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 3);
- texel[RCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[GCOMP] = UBYTE_TO_FLOAT( src[1] );
- texel[BCOMP] = UBYTE_TO_FLOAT( src[2] );
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_bgr888(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D rgb565 texture, return 4 GLfloats */
-static void FETCH(f_rgb565)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 8) & 0xf8) * (1.0F / 248.0F);
- texel[GCOMP] = ((s >> 3) & 0xfc) * (1.0F / 252.0F);
- texel[BCOMP] = ((s << 3) & 0xf8) * (1.0F / 248.0F);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_rgb565(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D rgb565_rev texture, return 4 GLfloats */
-static void FETCH(f_rgb565_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = (*src >> 8) | (*src << 8); /* byte swap */
- texel[RCOMP] = ((s >> 8) & 0xf8) * (1.0F / 248.0F);
- texel[GCOMP] = ((s >> 3) & 0xfc) * (1.0F / 252.0F);
- texel[BCOMP] = ((s << 3) & 0xf8) * (1.0F / 248.0F);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_rgb565_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) | ((s >> 8) & 0xf0) );
}
-/* Fetch texel from 1D, 2D or 3D argb4444 texture, return 4 GLfloats */
-static void FETCH(f_argb4444)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F);
- texel[GCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
- texel[BCOMP] = ((s ) & 0xf) * (1.0F / 15.0F);
- texel[ACOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
-}
-
#if DIM == 3
static void store_texel_argb4444(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) | ((s ) & 0xf0) );
}
-/* Fetch texel from 1D, 2D or 3D argb4444_rev texture, return 4 GLfloats */
-static void FETCH(f_argb4444_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F);
- texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F);
- texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F);
- texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F);
-}
-
#if DIM == 3
static void store_texel_argb4444_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 );
}
-/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLfloats */
-static void FETCH(f_argb1555)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = *src;
- texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F);
- texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F);
- texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F);
- texel[ACOMP] = ((s >> 15) & 0x01);
-}
-
#if DIM == 3
static void store_texel_argb1555(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( ((s >> 15) & 0x01) * 255 );
}
-/* Fetch texel from 1D, 2D or 3D argb1555_rev texture, return 4 GLfloats */
-static void FETCH(f_argb1555_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- const GLushort s = (*src << 8) | (*src >> 8); /* byteswap */
- texel[RCOMP] = ((s >> 10) & 0x1f) * (1.0F / 31.0F);
- texel[GCOMP] = ((s >> 5) & 0x1f) * (1.0F / 31.0F);
- texel[BCOMP] = ((s ) & 0x1f) * (1.0F / 31.0F);
- texel[ACOMP] = ((s >> 15) & 0x01);
-}
-
#if DIM == 3
static void store_texel_argb1555_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( s >> 8 );
}
-/* Fetch texel from 1D, 2D or 3D al88 texture, return 4 GLfloats */
-static void FETCH(f_al88)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( s & 0xff );
- texel[ACOMP] = UBYTE_TO_FLOAT( s >> 8 );
-}
-
#if DIM == 3
static void store_texel_al88(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( s & 0xff );
}
-/* Fetch texel from 1D, 2D or 3D al88_rev texture, return 4 GLfloats */
-static void FETCH(f_al88_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( s >> 8 );
- texel[ACOMP] = UBYTE_TO_FLOAT( s & 0xff );
-}
-
#if DIM == 3
static void store_texel_al88_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D rgb332 texture, return 4 GLfloats */
-static void FETCH(f_rgb332)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- const GLubyte s = *src;
- texel[RCOMP] = ((s ) & 0xe0) * (1.0F / 224.0F);
- texel[GCOMP] = ((s << 3) & 0xe0) * (1.0F / 224.0F);
- texel[BCOMP] = ((s << 6) & 0xc0) * (1.0F / 192.0F);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_rgb332(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( src[0] );
}
-/* Fetch texel from 1D, 2D or 3D a8 texture, return 4 GLfloats */
-static void FETCH(f_a8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = 0.0;
- texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
-}
-
#if DIM == 3
static void store_texel_a8(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D l8 texture, return 4 GLfloats */
-static void FETCH(f_l8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT( src[0] );
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_l8(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = UBYTE_TO_CHAN( src[0] );
}
-/* Fetch texel from 1D, 2D or 3D i8 texture, return 4 GLfloats */
-static void FETCH(f_i8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLubyte *src = TEXEL_ADDR(GLubyte, texImage, i, j, k, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] =
- texel[ACOMP] = UBYTE_TO_FLOAT( src[0] );
-}
-
#if DIM == 3
static void store_texel_i8(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
}
}
-
-/* Fetch CI texel from 1D, 2D or 3D ci8 texture, lookup the index in a
- * color table, and return 4 GLfloats.
- */
-static void FETCH(f_ci8)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- GLchan rgba[4];
- /* Sample as GLchan */
- FETCH(ci8)(texImage, i, j, k, rgba);
- /* and return as floats */
- texel[RCOMP] = CHAN_TO_FLOAT(rgba[RCOMP]);
- texel[GCOMP] = CHAN_TO_FLOAT(rgba[GCOMP]);
- texel[BCOMP] = CHAN_TO_FLOAT(rgba[BCOMP]);
- texel[ACOMP] = CHAN_TO_FLOAT(rgba[ACOMP]);
-}
-
#if DIM == 3
static void store_texel_ci8(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats */
-/* We convert YCbCr to RGB here */
-static void FETCH(f_ycbcr)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
- const GLushort *src1 = src0 + 1; /* odd */
- const GLubyte y0 = (*src0 >> 8) & 0xff; /* luminance */
- const GLubyte cb = *src0 & 0xff; /* chroma U */
- const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */
- const GLubyte cr = *src1 & 0xff; /* chroma V */
- GLfloat r, g, b;
- if (i & 1) {
- /* odd pixel: use y1,cr,cb */
- r = (1.164 * (y1-16) + 1.596 * (cr-128));
- g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (1.164 * (y1-16) + 2.018 * (cb-128));
- }
- else {
- /* even pixel: use y0,cr,cb */
- r = (1.164 * (y0-16) + 1.596 * (cr-128));
- g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (1.164 * (y0-16) + 2.018 * (cb-128));
- }
- /* XXX remove / 255 here by tweaking arithmetic above */
- r /= 255.0;
- g /= 255.0;
- b /= 255.0;
- /* XXX should we really clamp??? */
- texel[RCOMP] = CLAMP(r, 0.0, 1.0);
- texel[GCOMP] = CLAMP(g, 0.0, 1.0);
- texel[BCOMP] = CLAMP(b, 0.0, 1.0);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_ycbcr(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
texel[ACOMP] = CHAN_MAX;
}
-/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLfloats */
-/* We convert YCbCr to RGB here */
-static void FETCH(f_ycbcr_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- const GLushort *src0 = TEXEL_ADDR(GLushort, texImage, (i & ~1), j, k, 1); /* even */
- const GLushort *src1 = src0 + 1; /* odd */
- const GLubyte y0 = *src0 & 0xff; /* luminance */
- const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */
- const GLubyte y1 = *src1 & 0xff; /* luminance */
- const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */
- GLfloat r, g, b;
- if (i & 1) {
- /* odd pixel: use y1,cr,cb */
- r = (1.164 * (y1-16) + 1.596 * (cr-128));
- g = (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (1.164 * (y1-16) + 2.018 * (cb-128));
- }
- else {
- /* even pixel: use y0,cr,cb */
- r = (1.164 * (y0-16) + 1.596 * (cr-128));
- g = (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (1.164 * (y0-16) + 2.018 * (cb-128));
- }
- /* XXX remove / 255 here by tweaking arithmetic above */
- r /= 255.0;
- g /= 255.0;
- b /= 255.0;
- /* XXX should we really clamp??? */
- texel[RCOMP] = CLAMP(r, 0.0, 1.0);
- texel[GCOMP] = CLAMP(g, 0.0, 1.0);
- texel[BCOMP] = CLAMP(b, 0.0, 1.0);
- texel[ACOMP] = 1.0F;
-}
-
#if DIM == 3
static void store_texel_ycbcr_rev(struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, const void *texel)
projects / mesa.git / blobdiff