0, 0, 0, 0, 0,
1, 1, 2
},
+
+ /* Signed 8 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R8, /* Name */
+ "MESA_FORMAT_SIGNED_R8", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_SIGNED_NORMALIZED, /* DataType */
+ 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_SIGNED_RG88,
+ "MESA_FORMAT_SIGNED_RG88",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBX8888,
+ "MESA_FORMAT_SIGNED_RGBX8888",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4 /* 4 bpp, but no alpha */
+ },
{
MESA_FORMAT_SIGNED_RGBA8888,
"MESA_FORMAT_SIGNED_RGBA8888",
0, 0, 0, 0, 0,
1, 1, 4
},
+
+ /* Signed 16 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R_16,
+ "MESA_FORMAT_SIGNED_R_16",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_16,
+ "MESA_FORMAT_SIGNED_RG_16",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_RGB_16,
+ "MESA_FORMAT_SIGNED_RGB_16",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 16, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 6
+ },
{
MESA_FORMAT_SIGNED_RGBA_16,
"MESA_FORMAT_SIGNED_RGBA_16",
MESA_FORMAT_INTENSITY_FLOAT16,
/*@}*/
+ /* msb <------ TEXEL BITS -----------> lsb */
+ /* ---- ---- ---- ---- ---- ---- ---- ---- */
/**
* \name Signed fixed point texture formats.
*/
/*@{*/
- MESA_FORMAT_DUDV8,
- MESA_FORMAT_SIGNED_RGBA8888,
- MESA_FORMAT_SIGNED_RGBA8888_REV,
+ MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
+ MESA_FORMAT_SIGNED_R8, /* RRRR RRRR */
+ MESA_FORMAT_SIGNED_RG88, /* RRRR RRRR GGGG GGGG */
+ MESA_FORMAT_SIGNED_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
+ MESA_FORMAT_SIGNED_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_SIGNED_R_16,
+ MESA_FORMAT_SIGNED_RG_16,
+ MESA_FORMAT_SIGNED_RGB_16,
MESA_FORMAT_SIGNED_RGBA_16,
/*@}*/
fetch_texel_3d_dudv8,
NULL
},
+ {
+ MESA_FORMAT_SIGNED_R8,
+ fetch_texel_1d_signed_r8,
+ fetch_texel_2d_signed_r8,
+ fetch_texel_3d_signed_r8,
+ store_texel_signed_r8
+ },
+ {
+ MESA_FORMAT_SIGNED_RG88,
+ fetch_texel_1d_signed_rg88,
+ fetch_texel_2d_signed_rg88,
+ fetch_texel_3d_signed_rg88,
+ store_texel_signed_rg88
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBX8888,
+ fetch_texel_1d_signed_rgbx8888,
+ fetch_texel_2d_signed_rgbx8888,
+ fetch_texel_3d_signed_rgbx8888,
+ store_texel_signed_rgbx8888
+ },
{
MESA_FORMAT_SIGNED_RGBA8888,
fetch_texel_1d_signed_rgba8888,
fetch_texel_3d_signed_rgba8888_rev,
store_texel_signed_rgba8888_rev
},
+ {
+ MESA_FORMAT_SIGNED_R_16,
+ fetch_texel_1d_signed_r_16,
+ fetch_texel_2d_signed_r_16,
+ fetch_texel_3d_signed_r_16,
+ store_texel_signed_r_16
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_16,
+ fetch_texel_1d_signed_rg_16,
+ fetch_texel_2d_signed_rg_16,
+ fetch_texel_3d_signed_rg_16,
+ store_texel_signed_rg_16
+ },
+ {
+ MESA_FORMAT_SIGNED_RGB_16,
+ fetch_texel_1d_signed_rgb_16,
+ fetch_texel_2d_signed_rgb_16,
+ fetch_texel_3d_signed_rgb_16,
+ store_texel_signed_rgb_16
+ },
{
MESA_FORMAT_SIGNED_RGBA_16,
- NULL, /* XXX to do */
- NULL,
- NULL,
- NULL
+ fetch_texel_1d_signed_rgba_16,
+ fetch_texel_2d_signed_rgba_16,
+ fetch_texel_3d_signed_rgba_16,
+ store_texel_signed_rgba_16
},
};
texel[ACOMP] = 0;
}
+
+/* MESA_FORMAT_SIGNED_R8 ***********************************************/
+
+static void FETCH(signed_r8)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLbyte s = *TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX( s );
+ texel[GCOMP] = 0.0F;
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_signed_r8(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLbyte *rgba = (const GLbyte *) texel;
+ GLbyte *dst = TEXEL_ADDR(GLbyte, texImage, i, j, k, 1);
+ *dst = rgba[RCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RG88 ***********************************************/
+
+static void FETCH(signed_rg88)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLushort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
+ texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s & 0xff) );
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void store_texel_signed_rg88(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLbyte *rg = (const GLbyte *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 2);
+ *dst = PACK_COLOR_88(rg[RCOMP], rg[GCOMP]);
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGBX8888 ***********************************************/
+
+static void FETCH(signed_rgbx8888)( 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] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 24) );
+ texel[GCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 16) );
+ texel[BCOMP] = BYTE_TO_FLOAT_TEX( (GLbyte) (s >> 8) );
+ texel[ACOMP] = 1.0f;
+}
+
+#if DIM == 3
+static void store_texel_signed_rgbx8888(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLbyte *rgba = (const GLbyte *) texel;
+ GLuint *dst = TEXEL_ADDR(GLuint, texImage, i, j, k, 1);
+ *dst = PACK_COLOR_8888(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], 255);
+}
+#endif
+
+
/* MESA_FORMAT_SIGNED_RGBA8888 ***********************************************/
static void FETCH(signed_rgba8888)( const struct gl_texture_image *texImage,
+/* MESA_FORMAT_SIGNED_R_16 ***********************************************/
+
+static void
+FETCH(signed_r_16)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLshort s = *TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+ texel[RCOMP] = SHORT_TO_FLOAT_TEX( s );
+ texel[GCOMP] = 0.0F;
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_r_16(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLshort *rgba = (const GLshort *) texel;
+ GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 1);
+ *dst = rgba[0];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RG_16 ***********************************************/
+
+static void
+FETCH(signed_rg_16)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+ texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+ texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+ texel[BCOMP] = 0.0F;
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rg_16(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLshort *rgba = (const GLshort *) texel;
+ GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 2);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[GCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/
+
+static void
+FETCH(signed_rgb_16)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
+ texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+ texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+ texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[3] );
+ texel[ACOMP] = 1.0F;
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rgb_16(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLshort *rgba = (const GLshort *) texel;
+ GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 3);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[GCOMP];
+ dst[2] = rgba[BCOMP];
+}
+#endif
+
+
+/* MESA_FORMAT_SIGNED_RGB_16 ***********************************************/
+
+static void
+FETCH(signed_rgba_16)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ const GLshort *s = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+ texel[RCOMP] = SHORT_TO_FLOAT_TEX( s[0] );
+ texel[GCOMP] = SHORT_TO_FLOAT_TEX( s[1] );
+ texel[BCOMP] = SHORT_TO_FLOAT_TEX( s[3] );
+ texel[ACOMP] = SHORT_TO_FLOAT_TEX( s[4] );
+}
+
+#if DIM == 3
+static void
+store_texel_signed_rgba_16(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLshort *rgba = (const GLshort *) texel;
+ GLshort *dst = TEXEL_ADDR(GLshort, texImage, i, j, k, 4);
+ dst[0] = rgba[RCOMP];
+ dst[1] = rgba[GCOMP];
+ dst[2] = rgba[BCOMP];
+ dst[3] = rgba[ACOMP];
+}
+#endif
+
+
+
/* MESA_FORMAT_YCBCR *********************************************************/
/* Fetch texel from 1D, 2D or 3D ycbcr texture, return 4 GLfloats.
}
}
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) {
+ switch (internalFormat) {
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ return MESA_FORMAT_SIGNED_R8;
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ return MESA_FORMAT_SIGNED_RG88;
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ return MESA_FORMAT_SIGNED_RGBX8888;
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ return MESA_FORMAT_SIGNED_RGBA8888;
+ case GL_R16_SNORM:
+ return MESA_FORMAT_SIGNED_R_16;
+ case GL_RG16_SNORM:
+ return MESA_FORMAT_SIGNED_RG_16;
+ case GL_RGB16_SNORM:
+ return MESA_FORMAT_SIGNED_RGB_16;
+ case GL_RGBA16_SNORM:
+ return MESA_FORMAT_SIGNED_RGBA_16;
+ default:
+ ; /* fall-through */
+ }
+ }
#if FEATURE_EXT_texture_sRGB
if (ctx->Extensions.EXT_texture_sRGB) {
return GL_TRUE;
}
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_R8 format.
+ */
+static GLboolean
+_mesa_texstore_signed_r8(TEXSTORE_PARAMS)
+{
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_R8);
+ ASSERT(texelBytes == 1);
+
+ /* XXX look at adding optimized paths */
+ {
+ /* general path */
+ const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLfloat *srcRow = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLubyte *dstB = (GLubyte *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstB[col] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_RG88 format.
+ */
+static GLboolean
+_mesa_texstore_signed_rg88(TEXSTORE_PARAMS)
+{
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG88);
+ ASSERT(texelBytes == 1);
+
+ /* XXX look at adding optimized paths */
+ {
+ /* general path */
+ const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLfloat *srcRow = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLushort *dstUS = (GLushort *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUS[col] = PACK_COLOR_88(FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+ FLOAT_TO_BYTE_TEX(srcRow[GCOMP]));
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+/**
+ * Store a texture in MESA_FORMAT_SIGNED_RGBX8888.
+ */
+static GLboolean
+_mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
+{
+ const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
+ const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
+
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);
+ ASSERT(texelBytes == 4);
+
+ {
+ /* general path */
+ const GLfloat *tempImage = make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ baseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLfloat *srcRow = tempImage;
+ GLint img, row, col;
+ if (!tempImage)
+ return GL_FALSE;
+ _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
+ for (img = 0; img < srcDepth; img++) {
+ GLubyte *dstRow = (GLubyte *) dstAddr
+ + dstImageOffsets[dstZoffset + img] * texelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * texelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLuint *dstUI = (GLuint *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
+ FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
+ FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
+ 0xff );
+ srcRow += 4;
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
+
+
+
/**
* Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or MESA_FORMAT_SIGNED_RGBA8888_REV
*/
return GL_TRUE;
}
+
/**
* Store a combined depth/stencil texture image.
*/
{ MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
{ MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
{ MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
+
+ { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 },
+ { MESA_FORMAT_SIGNED_RG88, _mesa_texstore_signed_rg88 },
+ { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 },
+
{ MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },
{ MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },
- { MESA_FORMAT_SIGNED_RGBA_16, NULL },
+
+ { MESA_FORMAT_SIGNED_R_16, NULL/*_mesa_texstore_signed_r16*/ },
+ { MESA_FORMAT_SIGNED_RG_16, NULL/*_mesa_texstore_signed_rg16*/ },
+ { MESA_FORMAT_SIGNED_RGB_16, NULL/*_mesa_texstore_signed_rgb16*/ },
+ { MESA_FORMAT_SIGNED_RGBA_16, NULL/*_mesa_texstore_signed_rgba16*/ },
};