summaryrefslogtreecommitdiff
path: root/src/mesa/main/texformat_tmp.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/texformat_tmp.h')
-rw-r--r--src/mesa/main/texformat_tmp.h117
1 files changed, 52 insertions, 65 deletions
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index e633243597f..2aaa4990225 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -72,14 +72,6 @@
/* MESA_FORMAT_RGBA **********************************************************/
-/* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLchans */
-static void FETCH(rgba)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 4);
- COPY_CHAN4( texel, src );
-}
-
/* Fetch texel from 1D, 2D or 3D RGBA texture, returning 4 GLfloats */
static void FETCH(f_rgba)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel )
@@ -107,17 +99,6 @@ static void store_texel_rgba(struct gl_texture_image *texImage,
/* MESA_FORMAT_RGB ***********************************************************/
-/* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLchans */
-static void FETCH(rgb)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
-{
- const GLchan *src = TEXEL_ADDR(GLchan, texImage, i, j, k, 3);
- texel[RCOMP] = src[0];
- texel[GCOMP] = src[1];
- texel[BCOMP] = src[2];
- texel[ACOMP] = CHAN_MAX;
-}
-
/* Fetch texel from 1D, 2D or 3D RGB texture, returning 4 GLfloats */
static void FETCH(f_rgb)( const struct gl_texture_image *texImage,
GLint i, GLint j, GLint k, GLfloat *texel )
@@ -144,14 +125,14 @@ static void store_texel_rgb(struct gl_texture_image *texImage,
/* MESA_FORMAT_ALPHA *********************************************************/
/* Fetch texel from 1D, 2D or 3D ALPHA texture, returning 4 GLchans */
-static void FETCH(alpha)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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;
- texel[ACOMP] = src[0];
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = CHAN_TO_FLOAT(src[0]);
}
#if DIM == 3
@@ -167,14 +148,14 @@ static void store_texel_alpha(struct gl_texture_image *texImage,
/* MESA_FORMAT_LUMINANCE *****************************************************/
/* Fetch texel from 1D, 2D or 3D LUMIN texture, returning 4 GLchans */
-static void FETCH(luminance)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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] = src[0];
- texel[ACOMP] = CHAN_MAX;
+ texel[BCOMP] = CHAN_TO_FLOAT(src[0]);
+ texel[ACOMP] = 1.0F;
}
#if DIM == 3
@@ -190,14 +171,14 @@ static void store_texel_luminance(struct gl_texture_image *texImage,
/* MESA_FORMAT_LUMINANCE_ALPHA ***********************************************/
/* Fetch texel from 1D, 2D or 3D L_A texture, returning 4 GLchans */
-static void FETCH(luminance_alpha)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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] = src[0];
- texel[GCOMP] = src[0];
- texel[BCOMP] = src[0];
- texel[ACOMP] = src[1];
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = CHAN_TO_FLOAT(src[0]);
+ texel[ACOMP] = CHAN_TO_FLOAT(src[1]);
}
#if DIM == 3
@@ -214,14 +195,14 @@ static void store_texel_luminance_alpha(struct gl_texture_image *texImage,
/* MESA_FORMAT_INTENSITY *****************************************************/
/* Fetch texel from 1D, 2D or 3D INT. texture, returning 4 GLchans */
-static void FETCH(intensity)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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] = src[0];
- texel[GCOMP] = src[0];
- texel[BCOMP] = src[0];
- texel[ACOMP] = src[0];
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] =
+ texel[ACOMP] = CHAN_TO_FLOAT(src[0]);
}
#if DIM == 3
@@ -1301,8 +1282,8 @@ static void store_texel_sla8(struct gl_texture_image *texImage,
/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLchans */
/* We convert YCbCr to RGB here */
/* XXX this may break if GLchan != GLubyte */
-static void FETCH(ycbcr)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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 */
@@ -1310,23 +1291,26 @@ static void FETCH(ycbcr)( const struct gl_texture_image *texImage,
const GLubyte cb = *src0 & 0xff; /* chroma U */
const GLubyte y1 = (*src1 >> 8) & 0xff; /* luminance */
const GLubyte cr = *src1 & 0xff; /* chroma V */
- GLint r, g, b;
+ GLfloat r, g, b;
if (i & 1) {
/* odd pixel: use y1,cr,cb */
- r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128));
- g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128));
+ 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 = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128));
- g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128));
+ 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);
}
- texel[RCOMP] = CLAMP(r, 0, CHAN_MAX);
- texel[GCOMP] = CLAMP(g, 0, CHAN_MAX);
- texel[BCOMP] = CLAMP(b, 0, CHAN_MAX);
- texel[ACOMP] = CHAN_MAX;
+ r *= (1.0 / 255.0F);
+ g *= (1.0 / 255.0F);
+ b *= (1.0 / 255.0F);
+ texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+ texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+ texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+ texel[ACOMP] = 1.0F;
}
#if DIM == 3
@@ -1348,8 +1332,8 @@ static void store_texel_ycbcr(struct gl_texture_image *texImage,
/* Fetch texel from 1D, 2D or 3D ycbcr_rev texture, return 4 GLchans */
/* We convert YCbCr to RGB here */
/* XXX this may break if GLchan != GLubyte */
-static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texel )
+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 */
@@ -1357,23 +1341,26 @@ static void FETCH(ycbcr_rev)( const struct gl_texture_image *texImage,
const GLubyte cr = (*src0 >> 8) & 0xff; /* chroma V */
const GLubyte y1 = *src1 & 0xff; /* luminance */
const GLubyte cb = (*src1 >> 8) & 0xff; /* chroma U */
- GLint r, g, b;
+ GLfloat r, g, b;
if (i & 1) {
/* odd pixel: use y1,cr,cb */
- r = (GLint) (1.164 * (y1-16) + 1.596 * (cr-128));
- g = (GLint) (1.164 * (y1-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (GLint) (1.164 * (y1-16) + 2.018 * (cb-128));
+ 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 = (GLint) (1.164 * (y0-16) + 1.596 * (cr-128));
- g = (GLint) (1.164 * (y0-16) - 0.813 * (cr-128) - 0.391 * (cb-128));
- b = (GLint) (1.164 * (y0-16) + 2.018 * (cb-128));
+ 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);
}
- texel[RCOMP] = CLAMP(r, 0, CHAN_MAX);
- texel[GCOMP] = CLAMP(g, 0, CHAN_MAX);
- texel[BCOMP] = CLAMP(b, 0, CHAN_MAX);
- texel[ACOMP] = CHAN_MAX;
+ r *= (1.0 / 255.0F);
+ g *= (1.0 / 255.0F);
+ b *= (1.0 / 255.0F);
+ texel[RCOMP] = CLAMP(r, 0.0F, 1.0F);
+ texel[GCOMP] = CLAMP(g, 0.0F, 1.0F);
+ texel[BCOMP] = CLAMP(b, 0.0F, 1.0F);
+ texel[ACOMP] = 1.0F;
}
#if DIM == 3