#undef _ALPHA
#undef _INVALID
-#if 0
-
-/**
- * This function computes the number of bytes of storage needed for
- * the given texture object (all mipmap levels, all cube faces).
- * The \c image[face][level].x/y/width/height parameters for upload/blitting
- * are computed here. \c pp_txfilter, \c pp_txformat, etc. will be set here
- * too.
- *
- * \param rmesa Context pointer
- * \param tObj GL texture object whose images are to be posted to
- * hardware state.
- */
-static void r200SetTexImages( r200ContextPtr rmesa,
- struct gl_texture_object *tObj )
-{
- radeonTexObjPtr t = (radeonTexObjPtr)tObj->DriverData;
- const struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
- GLint curOffset, blitWidth;
- GLint i, texelBytes;
- GLint numLevels;
- GLint log2Width, log2Height, log2Depth;
-
- /* Set the hardware texture format
- */
- if ( !t->image_override ) {
- if ( VALID_FORMAT( baseImage->TexFormat->MesaFormat ) ) {
- const struct tx_table *table = _mesa_little_endian() ? tx_table_le :
- tx_table_be;
-
- t->pp_txformat &= ~(R200_TXFORMAT_FORMAT_MASK |
- R200_TXFORMAT_ALPHA_IN_MAP);
- t->pp_txfilter &= ~R200_YUV_TO_RGB;
-
- t->pp_txformat |= table[ baseImage->TexFormat->MesaFormat ].format;
- t->pp_txfilter |= table[ baseImage->TexFormat->MesaFormat ].filter;
- }
- else {
- _mesa_problem(NULL, "unexpected texture format in %s", __FUNCTION__);
- return;
- }
- }
-
-
-
- /* Compute which mipmap levels we really want to send to the hardware.
- */
-
- driCalculateTextureFirstLastLevel( (driTextureObject *) t );
- log2Width = tObj->Image[0][t->base.firstLevel]->WidthLog2;
- log2Height = tObj->Image[0][t->base.firstLevel]->HeightLog2;
- log2Depth = tObj->Image[0][t->base.firstLevel]->DepthLog2;
-
- numLevels = t->base.lastLevel - t->base.firstLevel + 1;
-
- assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS);
-
- /* Calculate mipmap offsets and dimensions for blitting (uploading)
- * The idea is that we lay out the mipmap levels within a block of
- * memory organized as a rectangle of width BLIT_WIDTH_BYTES.
- */
- curOffset = 0;
- blitWidth = BLIT_WIDTH_BYTES;
- t->tile_bits = 0;
-
- /* figure out if this texture is suitable for tiling. */
- if (texelBytes) {
- if (rmesa->texmicrotile && (tObj->Target != GL_TEXTURE_RECTANGLE_NV) &&
- /* texrect might be able to use micro tiling too in theory? */
- (baseImage->Height > 1)) {
- /* allow 32 (bytes) x 1 mip (which will use two times the space
- the non-tiled version would use) max if base texture is large enough */
- if ((numLevels == 1) ||
- (((baseImage->Width * texelBytes / baseImage->Height) <= 32) &&
- (baseImage->Width * texelBytes > 64)) ||
- ((baseImage->Width * texelBytes / baseImage->Height) <= 16)) {
- t->tile_bits |= R200_TXO_MICRO_TILE;
- }
- }
- if (tObj->Target != GL_TEXTURE_RECTANGLE_NV) {
- /* we can set macro tiling even for small textures, they will be untiled anyway */
- t->tile_bits |= R200_TXO_MACRO_TILE;
- }
- }
-
- for (i = 0; i < numLevels; i++) {
- const struct gl_texture_image *texImage;
- GLuint size;
-
- texImage = tObj->Image[0][i + t->base.firstLevel];
- if ( !texImage )
- break;
-
- /* find image size in bytes */
- if (texImage->IsCompressed) {
- /* need to calculate the size AFTER padding even though the texture is
- submitted without padding.
- Only handle pot textures currently - don't know if npot is even possible,
- size calculation would certainly need (trivial) adjustments.
- Align (and later pad) to 32byte, not sure what that 64byte blit width is
- good for? */
- if ((t->pp_txformat & R200_TXFORMAT_FORMAT_MASK) == R200_TXFORMAT_DXT1) {
- /* RGB_DXT1/RGBA_DXT1, 8 bytes per block */
- if ((texImage->Width + 3) < 8) /* width one block */
- size = texImage->CompressedSize * 4;
- else if ((texImage->Width + 3) < 16)
- size = texImage->CompressedSize * 2;
- else size = texImage->CompressedSize;
- }
- else /* DXT3/5, 16 bytes per block */
- if ((texImage->Width + 3) < 8)
- size = texImage->CompressedSize * 2;
- else size = texImage->CompressedSize;
- }
- else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
- size = ((texImage->Width * texelBytes + 63) & ~63) * texImage->Height;
- }
- else if (t->tile_bits & R200_TXO_MICRO_TILE) {
- /* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
- though the actual offset may be different (if texture is less than
- 32 bytes width) to the untiled case */
- int w = (texImage->Width * texelBytes * 2 + 31) & ~31;
- size = (w * ((texImage->Height + 1) / 2)) * texImage->Depth;
- blitWidth = MAX2(texImage->Width, 64 / texelBytes);
- }
- else {
- int w = (texImage->Width * texelBytes + 31) & ~31;
- size = w * texImage->Height * texImage->Depth;
- blitWidth = MAX2(texImage->Width, 64 / texelBytes);
- }
- assert(size > 0);
-
- /* Align to 32-byte offset. It is faster to do this unconditionally
- * (no branch penalty).
- */
-
- curOffset = (curOffset + 0x1f) & ~0x1f;
-
- if (texelBytes) {
- t->image[0][i].x = curOffset; /* fix x and y coords up later together with offset */
- t->image[0][i].y = 0;
- t->image[0][i].width = MIN2(size / texelBytes, blitWidth);
- t->image[0][i].height = (size / texelBytes) / t->image[0][i].width;
- }
- else {
- t->image[0][i].x = curOffset % BLIT_WIDTH_BYTES;
- t->image[0][i].y = curOffset / BLIT_WIDTH_BYTES;
- t->image[0][i].width = MIN2(size, BLIT_WIDTH_BYTES);
- t->image[0][i].height = size / t->image[0][i].width;
- }
-
-#if 0
- /* for debugging only and only applicable to non-rectangle targets */
- assert(size % t->image[0][i].width == 0);
- assert(t->image[0][i].x == 0
- || (size < BLIT_WIDTH_BYTES && t->image[0][i].height == 1));
-#endif
-
- if (0)
- fprintf(stderr,
- "level %d: %dx%d x=%d y=%d w=%d h=%d size=%d at %d\n",
- i, texImage->Width, texImage->Height,
- t->image[0][i].x, t->image[0][i].y,
- t->image[0][i].width, t->image[0][i].height, size, curOffset);
-
- curOffset += size;
-
- }
-
- /* Align the total size of texture memory block.
- */
- t->base.totalSize = (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
-
- /* Setup remaining cube face blits, if needed */
- if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
- const GLuint faceSize = t->base.totalSize;
- GLuint face;
- /* reuse face 0 x/y/width/height - just update the offset when uploading */
- for (face = 1; face < 6; face++) {
- for (i = 0; i < numLevels; i++) {
- t->image[face][i].x = t->image[0][i].x;
- t->image[face][i].y = t->image[0][i].y;
- t->image[face][i].width = t->image[0][i].width;
- t->image[face][i].height = t->image[0][i].height;
- }
- }
- t->base.totalSize = 6 * faceSize; /* total texmem needed */
- }
-
-
- /* Hardware state:
- */
- t->pp_txfilter &= ~R200_MAX_MIP_LEVEL_MASK;
- t->pp_txfilter |= (numLevels - 1) << R200_MAX_MIP_LEVEL_SHIFT;
-
- t->pp_txformat &= ~(R200_TXFORMAT_WIDTH_MASK |
- R200_TXFORMAT_HEIGHT_MASK |
- R200_TXFORMAT_CUBIC_MAP_ENABLE |
- R200_TXFORMAT_F5_WIDTH_MASK |
- R200_TXFORMAT_F5_HEIGHT_MASK);
- t->pp_txformat |= ((log2Width << R200_TXFORMAT_WIDTH_SHIFT) |
- (log2Height << R200_TXFORMAT_HEIGHT_SHIFT));
-
- t->pp_txformat_x &= ~(R200_DEPTH_LOG2_MASK | R200_TEXCOORD_MASK);
- if (tObj->Target == GL_TEXTURE_3D) {
- t->pp_txformat_x |= (log2Depth << R200_DEPTH_LOG2_SHIFT);
- t->pp_txformat_x |= R200_TEXCOORD_VOLUME;
- }
- else if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
- ASSERT(log2Width == log2Height);
- t->pp_txformat |= ((log2Width << R200_TXFORMAT_F5_WIDTH_SHIFT) |
- (log2Height << R200_TXFORMAT_F5_HEIGHT_SHIFT) |
-/* don't think we need this bit, if it exists at all - fglrx does not set it */
- (R200_TXFORMAT_CUBIC_MAP_ENABLE));
- t->pp_txformat_x |= R200_TEXCOORD_CUBIC_ENV;
- t->pp_cubic_faces = ((log2Width << R200_FACE_WIDTH_1_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_1_SHIFT) |
- (log2Width << R200_FACE_WIDTH_2_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_2_SHIFT) |
- (log2Width << R200_FACE_WIDTH_3_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_3_SHIFT) |
- (log2Width << R200_FACE_WIDTH_4_SHIFT) |
- (log2Height << R200_FACE_HEIGHT_4_SHIFT));
- }
- else {
- /* If we don't in fact send enough texture coordinates, q will be 1,
- * making TEXCOORD_PROJ act like TEXCOORD_NONPROJ (Right?)
- */
- t->pp_txformat_x |= R200_TEXCOORD_PROJ;
- }
-
- t->pp_txsize = (((tObj->Image[0][t->base.firstLevel]->Width - 1) << 0) |
- ((tObj->Image[0][t->base.firstLevel]->Height - 1) << 16));
-
- /* Only need to round to nearest 32 for textures, but the blitter
- * requires 64-byte aligned pitches, and we may/may not need the
- * blitter. NPOT only!
- */
- if ( !t->image_override ) {
- if (baseImage->IsCompressed)
- t->pp_txpitch = (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
- else
- t->pp_txpitch = ((tObj->Image[0][t->base.firstLevel]->Width * texelBytes) + 63) & ~(63);
- t->pp_txpitch -= 32;
- }
-
- t->dirty_state = R200_TEX_ALL;
-
- /* FYI: r200UploadTexImages( rmesa, t ) used to be called here */
-}
-#endif
-
-
/* ================================================================
* Texture combine functions
*/
projects / mesa.git / blobdiff