radeon: minor refactoring of mipmap code

diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
index 117d695ce7bba5ef36130ec17d9fa139e78ba024..8c1f96ede0481663deeaba4399916cb1527983b9 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
@@ -36,6 +36,7 @@
 #include "main/texobj.h"
 #include "main/enums.h"
 #include "radeon_texture.h"
+#include "radeon_tile.h"
 
 static unsigned get_aligned_compressed_row_stride(
                gl_format format,
@@ -69,16 +70,30 @@ static unsigned get_aligned_compressed_row_stride(
        return stride;
 }
 
-static unsigned get_compressed_image_size(
+unsigned get_texture_image_size(
                gl_format format,
                unsigned rowStride,
-               unsigned height)
+               unsigned height,
+               unsigned depth,
+               unsigned tiling)
 {
-       unsigned blockWidth, blockHeight;
+       if (_mesa_is_format_compressed(format)) {
+               unsigned blockWidth, blockHeight;
 
-       _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
+               _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
+
+               return rowStride * ((height + blockHeight - 1) / blockHeight) * depth;
+       } else if (tiling) {
+               /* Need to align height to tile height */
+               unsigned tileWidth, tileHeight;
+
+               get_tile_size(format, &tileWidth, &tileHeight);
+               tileHeight--;
 
-       return rowStride * ((height + blockHeight - 1) / blockHeight);
+               height = (height + tileHeight) & ~tileHeight;
+       }
+
+       return rowStride * height * depth;
 }
 
 static unsigned is_pot(unsigned value)
@@ -118,34 +133,15 @@ static void compute_tex_image_offset(radeonContextPtr rmesa, radeon_mipmap_tree
        GLuint face, GLuint level, GLuint* curOffset)
 {
        radeon_mipmap_level *lvl = &mt->levels[level];
-       uint32_t row_align;
        GLuint height;
 
        height = _mesa_next_pow_two_32(lvl->height);
 
-       /* Find image size in bytes */
-       if (_mesa_is_format_compressed(mt->mesaFormat)) {
-               lvl->rowstride = get_aligned_compressed_row_stride(mt->mesaFormat, lvl->width, rmesa->texture_compressed_row_align);
-               lvl->size = get_compressed_image_size(mt->mesaFormat, lvl->rowstride, height);
-       } else if (mt->target == GL_TEXTURE_RECTANGLE_NV) {
-               row_align = rmesa->texture_rect_row_align - 1;
-               lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) + row_align) & ~row_align;
-               lvl->size = lvl->rowstride * height;
-       } else if (mt->tilebits & RADEON_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 */
-               lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) * 2 + 31) & ~31;
-               lvl->size = lvl->rowstride * ((height + 1) / 2) * lvl->depth;
-       } else {
-               row_align = rmesa->texture_row_align - 1;
-               lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) + row_align) & ~row_align;
-               lvl->size = lvl->rowstride * height * lvl->depth;
-       }
+       lvl->rowstride = get_texture_image_row_stride(rmesa, mt->mesaFormat, lvl->width);
+       lvl->size = get_texture_image_size(mt->mesaFormat, lvl->rowstride, lvl->height, lvl->depth, mt->tilebits);
+
        assert(lvl->size > 0);
 
-       /* All images are aligned to a 32-byte offset */
-       *curOffset = (*curOffset + 0x1f) & ~0x1f;
        lvl->faces[face].offset = *curOffset;
        *curOffset += lvl->size;
 

diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h
index 424bf5181ab11d642266d59e4ce8bc5de53c2801..69103e68de1e8d126f32f16042ddf54011f53ffa 100644 (file)
--- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h
@@ -92,4 +92,10 @@ uint32_t get_base_teximage_offset(radeonTexObj *texObj);
 
 unsigned get_texture_image_row_stride(radeonContextPtr rmesa, gl_format format, unsigned width);
 
+unsigned get_texture_image_size(
+               gl_format format,
+               unsigned rowStride,
+               unsigned height,
+               unsigned depth,
+               unsigned tiling);
 #endif /* __RADEON_MIPMAP_TREE_H_ */