From c64447f47de168e82086bc2fb483817b82e59cab Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 7 Dec 2010 21:37:20 -0700 Subject: mesa: make _mesa_test_proxy_teximage() easier to read --- src/mesa/main/teximage.c | 126 ++++++++++++++++++++++++++--------------------- 1 file changed, 71 insertions(+), 55 deletions(-) diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index e5f23dd18f..5ee9af9c93 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -1219,94 +1219,110 @@ _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level, switch (target) { case GL_PROXY_TEXTURE_1D: maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width >0 && !_mesa_is_pow_two(width - 2 * border)) || - level >= ctx->Const.MaxTextureLevels) { - /* bad width or level */ + if (width < 2 * border || width > 2 + maxSize) return GL_FALSE; + if (level >= ctx->Const.MaxTextureLevels) + return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_2D: maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width > 0 && !_mesa_is_pow_two(width - 2 * border)) || - height < 2 * border || height > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - height > 0 && !_mesa_is_pow_two(height - 2 * border)) || - level >= ctx->Const.MaxTextureLevels) { - /* bad width or height or level */ + if (width < 2 * border || width > 2 + maxSize) + return GL_FALSE; + if (height < 2 * border || height > 2 + maxSize) return GL_FALSE; + if (level >= ctx->Const.MaxTextureLevels) + return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; + if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) + return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_3D: maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width > 0 && !_mesa_is_pow_two(width - 2 * border)) || - height < 2 * border || height > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - height > 0 && !_mesa_is_pow_two(height - 2 * border)) || - depth < 2 * border || depth > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) || - level >= ctx->Const.Max3DTextureLevels) { - /* bad width or height or depth or level */ + if (width < 2 * border || width > 2 + maxSize) + return GL_FALSE; + if (height < 2 * border || height > 2 + maxSize) return GL_FALSE; + if (depth < 2 * border || depth > 2 + maxSize) + return GL_FALSE; + if (level >= ctx->Const.Max3DTextureLevels) + return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; + if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) + return GL_FALSE; + if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) + return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_RECTANGLE_NV: - if (width < 0 || width > ctx->Const.MaxTextureRectSize || - height < 0 || height > ctx->Const.MaxTextureRectSize || - level != 0) { - /* bad width or height or level */ + maxSize = ctx->Const.MaxTextureRectSize; + if (width < 0 || width > maxSize) + return GL_FALSE; + if (height < 0 || height > maxSize) + return GL_FALSE; + if (level != 0) return GL_FALSE; - } return GL_TRUE; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width > 0 && !_mesa_is_pow_two(width - 2 * border)) || - height < 2 * border || height > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - height > 0 && !_mesa_is_pow_two(height - 2 * border)) || - level >= ctx->Const.MaxCubeTextureLevels) { - /* bad width or height */ + if (width < 2 * border || width > 2 + maxSize) + return GL_FALSE; + if (height < 2 * border || height > 2 + maxSize) + return GL_FALSE; + if (level >= ctx->Const.MaxCubeTextureLevels) return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; + if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) + return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width > 0 && !_mesa_is_pow_two(width - 2 * border)) || - level >= ctx->Const.MaxTextureLevels) { - /* bad width or level */ + if (width < 2 * border || width > 2 + maxSize) return GL_FALSE; - } - - if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) { + if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) return GL_FALSE; + if (level >= ctx->Const.MaxTextureLevels) + return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; } return GL_TRUE; + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: maxSize = 1 << (ctx->Const.MaxTextureLevels - 1); - if (width < 2 * border || width > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - width > 0 && !_mesa_is_pow_two(width - 2 * border)) || - height < 2 * border || height > 2 + maxSize || - (!ctx->Extensions.ARB_texture_non_power_of_two && - height > 0 && !_mesa_is_pow_two(height - 2 * border)) || - level >= ctx->Const.MaxTextureLevels) { - /* bad width or height or level */ + if (width < 2 * border || width > 2 + maxSize) return GL_FALSE; - } - if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) { + if (height < 2 * border || height > 2 + maxSize) + return GL_FALSE; + if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) return GL_FALSE; + if (level >= ctx->Const.MaxTextureLevels) + return GL_FALSE; + if (!ctx->Extensions.ARB_texture_non_power_of_two) { + if (width > 0 && !_mesa_is_pow_two(width - 2 * border)) + return GL_FALSE; + if (height > 0 && !_mesa_is_pow_two(height - 2 * border)) + return GL_FALSE; } return GL_TRUE; + default: _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage"); return GL_FALSE; -- cgit v1.2.3