#define PACK_COLOR_565_REV( X, Y, Z ) \
(((X) & 0xf8) | ((Y) & 0xe0) >> 5 | (((Y) & 0x1c) << 11) | (((Z) & 0xf8) << 5))
+#define PACK_COLOR_5551( R, G, B, A ) \
+ ((((R) & 0xf8) << 8) | (((G) & 0xf8) << 3) | (((B) & 0xf8) >> 2) | \
+ ((A) ? 1 : 0))
+
#define PACK_COLOR_1555( A, B, G, R ) \
((((B) & 0xf8) << 7) | (((G) & 0xf8) << 2) | (((R) & 0xf8) >> 3) | \
((A) ? 0x8000 : 0))
store_texel_rgb565_rev /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rgba4444 = {
+ MESA_FORMAT_RGBA4444, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 4, /* RedBits */
+ 4, /* GreenBits */
+ 4, /* BlueBits */
+ 4, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rgba4444, /* StoreTexImageFunc */
+ fetch_texel_1d_rgba4444, /* FetchTexel1D */
+ fetch_texel_2d_rgba4444, /* FetchTexel2D */
+ fetch_texel_3d_rgba4444, /* FetchTexel3D */
+ NULL, /* FetchTexel1Df */
+ NULL, /* FetchTexel2Df */
+ NULL, /* FetchTexel3Df */
+ store_texel_rgba4444 /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_argb4444 = {
MESA_FORMAT_ARGB4444, /* MesaFormat */
GL_RGBA, /* BaseFormat */
store_texel_argb4444_rev /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_rgba5551 = {
+ MESA_FORMAT_RGBA5551, /* MesaFormat */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ 5, /* RedBits */
+ 5, /* GreenBits */
+ 5, /* BlueBits */
+ 1, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_rgba5551, /* StoreTexImageFunc */
+ fetch_texel_1d_rgba5551, /* FetchTexel1D */
+ fetch_texel_2d_rgba5551, /* FetchTexel2D */
+ fetch_texel_3d_rgba5551, /* FetchTexel3D */
+ NULL, /* FetchTexel1Df */
+ NULL, /* FetchTexel2Df */
+ NULL, /* FetchTexel3Df */
+ store_texel_rgba5551 /* StoreTexel */
+};
+
const struct gl_texture_format _mesa_texformat_argb1555 = {
MESA_FORMAT_ARGB1555, /* MesaFormat */
GL_RGBA, /* BaseFormat */
MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
+ MESA_FORMAT_RGBA4444, /* RRRR GGGG BBBB AAAA */
MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
+ MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
extern const struct gl_texture_format _mesa_texformat_bgr888;
extern const struct gl_texture_format _mesa_texformat_rgb565;
extern const struct gl_texture_format _mesa_texformat_rgb565_rev;
+extern const struct gl_texture_format _mesa_texformat_rgba4444;
extern const struct gl_texture_format _mesa_texformat_argb4444;
extern const struct gl_texture_format _mesa_texformat_argb4444_rev;
extern const struct gl_texture_format _mesa_texformat_argb1555;
extern const struct gl_texture_format _mesa_texformat_argb1555_rev;
+extern const struct gl_texture_format _mesa_texformat_rgba5551;
extern const struct gl_texture_format _mesa_texformat_al88;
extern const struct gl_texture_format _mesa_texformat_al88_rev;
extern const struct gl_texture_format _mesa_texformat_rgb332;
}
#endif
+/* MESA_FORMAT_RGBA4444 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb444 texture, return 4 GLchans */
+static void FETCH(rgba4444)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLchan *texel )
+{
+ const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ const GLushort s = *src;
+ texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 12) & 0xf) | ((s >> 8) & 0xf0) );
+ texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf) | ((s >> 4) & 0xf0) );
+ texel[BCOMP] = UBYTE_TO_CHAN( ((s >> 4) & 0xf) | ((s ) & 0xf0) );
+ texel[ACOMP] = UBYTE_TO_CHAN( ((s ) & 0xf) | ((s << 4) & 0xf0) );
+}
+
+#if DIM == 3
+static void store_texel_rgba4444(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ *dst = PACK_COLOR_4444(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
+
/* MESA_FORMAT_ARGB4444 ******************************************************/
}
#endif
+/* MESA_FORMAT_RGBA5551 ******************************************************/
+
+/* Fetch texel from 1D, 2D or 3D argb1555 texture, return 4 GLchans */
+static void FETCH(rgba5551)( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLchan *texel )
+{
+ const GLushort *src = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ const GLushort s = *src;
+ texel[RCOMP] = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
+ texel[GCOMP] = UBYTE_TO_CHAN( ((s >> 3) & 0xf8) | ((s >> 8) & 0x7) );
+ texel[BCOMP] = UBYTE_TO_CHAN( ((s << 2) & 0xf8) | ((s >> 3) & 0x7) );
+ texel[ACOMP] = UBYTE_TO_CHAN( ((s) & 0x01) ? 255 : 0);
+}
+
+#if DIM == 3
+static void store_texel_rgba5551(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ const GLubyte *rgba = (const GLubyte *) texel;
+ GLushort *dst = TEXEL_ADDR(GLushort, texImage, i, j, k, 1);
+ *dst = PACK_COLOR_5551(rgba[RCOMP], rgba[GCOMP], rgba[BCOMP], rgba[ACOMP]);
+}
+#endif
/* MESA_FORMAT_ARGB1555 ******************************************************/
return GL_TRUE;
}
+GLboolean
+_mesa_texstore_rgba4444(TEXSTORE_PARAMS)
+{
+ ASSERT(dstFormat == &_mesa_texformat_rgba4444);
+ ASSERT(dstFormat->TexelBytes == 2);
+
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == &_mesa_texformat_rgba4444 &&
+ baseInternalFormat == GL_RGBA &&
+ srcFormat == GL_RGBA &&
+ srcType == GL_UNSIGNED_SHORT_4_4_4_4){
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else {
+ /* general path */
+ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ dstFormat->BaseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLchan *src = 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] * dstFormat->TexelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLushort *dstUS = (GLushort *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[RCOMP]),
+ CHAN_TO_UBYTE(src[GCOMP]),
+ CHAN_TO_UBYTE(src[BCOMP]),
+ CHAN_TO_UBYTE(src[ACOMP]) );
+ src += 4;
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ _mesa_free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
GLboolean
_mesa_texstore_argb4444(TEXSTORE_PARAMS)
return GL_TRUE;
}
+GLboolean
+_mesa_texstore_rgba5551(TEXSTORE_PARAMS)
+{
+ ASSERT(dstFormat == &_mesa_texformat_rgba5551);
+ ASSERT(dstFormat->TexelBytes == 2);
+ if (!ctx->_ImageTransferState &&
+ !srcPacking->SwapBytes &&
+ dstFormat == &_mesa_texformat_rgba5551 &&
+ baseInternalFormat == GL_RGBA &&
+ srcFormat == GL_RGBA &&
+ srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else {
+ /* general path */
+ const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ dstFormat->BaseFormat,
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ const GLchan *src =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] * dstFormat->TexelBytes
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ GLushort *dstUS = (GLushort *) dstRow;
+ for (col = 0; col < srcWidth; col++) {
+ dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),
+ CHAN_TO_UBYTE(src[GCOMP]),
+ CHAN_TO_UBYTE(src[BCOMP]),
+ CHAN_TO_UBYTE(src[ACOMP]) );
+ src += 4;
+ }
+ dstRow += dstRowStride;
+ }
+ }
+ _mesa_free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
GLboolean
_mesa_texstore_argb1555(TEXSTORE_PARAMS)
extern GLboolean _mesa_texstore_bgr888(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgb565(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_rgb565_rev(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_rgba4444(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb4444(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb4444_rev(TEXSTORE_PARAMS);
+extern GLboolean _mesa_texstore_rgba5551(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb1555(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_argb1555_rev(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_al88(TEXSTORE_PARAMS);