diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 50 |
1 files changed, 30 insertions, 20 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c index 8335e5a650e..afb36b7bd7d 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c @@ -522,7 +522,8 @@ brw_update_renderbuffer_surface(struct brw_context *brw, GLubyte color_mask[4]; GLboolean color_blend; uint32_t tiling; - uint32_t draw_offset; + uint32_t draw_x; + uint32_t draw_y; } key; memset(&key, 0, sizeof(key)); @@ -564,7 +565,8 @@ brw_update_renderbuffer_surface(struct brw_context *brw, } key.pitch = region->pitch; key.cpp = region->cpp; - key.draw_offset = region->draw_offset; /* cur 3d or cube face offset */ + key.draw_x = region->draw_x; + key.draw_y = region->draw_y; } else { key.surface_type = BRW_SURFACE_NULL; key.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM; @@ -572,7 +574,8 @@ brw_update_renderbuffer_surface(struct brw_context *brw, key.width = 1; key.height = 1; key.cpp = 4; - key.draw_offset = 0; + key.draw_x = 0; + key.draw_y = 0; } /* _NEW_COLOR */ memcpy(key.color_mask, ctx->Color.ColorMask, @@ -602,25 +605,32 @@ brw_update_renderbuffer_surface(struct brw_context *brw, surf.ss0.surface_format = key.surface_format; surf.ss0.surface_type = key.surface_type; if (key.tiling == I915_TILING_NONE) { - surf.ss1.base_addr = key.draw_offset; + surf.ss1.base_addr = (key.draw_x + key.draw_y * key.pitch) * key.cpp; } else { - uint32_t tile_offset = key.draw_offset % 4096; - - surf.ss1.base_addr = key.draw_offset - tile_offset; - - assert(BRW_IS_G4X(brw) || tile_offset == 0); - if (BRW_IS_G4X(brw)) { - if (key.tiling == I915_TILING_X) { - /* Note that the low bits of these fields are missing, so - * there's the possibility of getting in trouble. - */ - surf.ss5.x_offset = (tile_offset % 512) / key.cpp / 4; - surf.ss5.y_offset = tile_offset / 512 / 2; - } else { - surf.ss5.x_offset = (tile_offset % 128) / key.cpp / 4; - surf.ss5.y_offset = tile_offset / 128 / 2; - } + uint32_t tile_base, tile_x, tile_y; + uint32_t pitch = key.pitch * key.cpp; + + if (key.tiling == I915_TILING_X) { + tile_x = key.draw_x % (512 / key.cpp); + tile_y = key.draw_y % 8; + tile_base = ((key.draw_y / 8) * (8 * pitch)); + tile_base += (key.draw_x - tile_x) / (512 / key.cpp) * 4096; + } else { + /* Y */ + tile_x = key.draw_x % (128 / key.cpp); + tile_y = key.draw_y % 32; + tile_base = ((key.draw_y / 32) * (32 * pitch)); + tile_base += (key.draw_x - tile_x) / (128 / key.cpp) * 4096; } + assert(BRW_IS_G4X(brw) || (tile_x == 0 && tile_y == 0)); + assert(tile_x % 4 == 0); + assert(tile_y % 2 == 0); + /* Note that the low bits of these fields are missing, so + * there's the possibility of getting in trouble. + */ + surf.ss1.base_addr = tile_base; + surf.ss5.x_offset = tile_x / 4; + surf.ss5.y_offset = tile_y / 2; } if (region_bo != NULL) surf.ss1.base_addr += region_bo->offset; /* reloc */ |