diff options
| -rw-r--r-- | src/mesa/main/framebuffer.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c index 8cbfbd6bcfb..0597de24467 100644 --- a/src/mesa/main/framebuffer.c +++ b/src/mesa/main/framebuffer.c @@ -871,13 +871,20 @@ _mesa_dest_buffer_exists(struct gl_context *ctx, GLenum format) GLenum _mesa_get_color_read_format(struct gl_context *ctx) { + const GLenum data_type = _mesa_get_format_datatype( + ctx->ReadBuffer->_ColorReadBuffer->Format); + switch (ctx->ReadBuffer->_ColorReadBuffer->Format) { case MESA_FORMAT_ARGB8888: return GL_BGRA; case MESA_FORMAT_RGB565: return GL_BGR; default: - return GL_RGBA; + if (data_type == GL_UNSIGNED_INT || data_type == GL_INT) { + return GL_RGBA_INTEGER; + } else { + return GL_RGBA; + } } } @@ -888,12 +895,25 @@ _mesa_get_color_read_format(struct gl_context *ctx) GLenum _mesa_get_color_read_type(struct gl_context *ctx) { + const GLenum data_type = _mesa_get_format_datatype( + ctx->ReadBuffer->_ColorReadBuffer->Format); + switch (ctx->ReadBuffer->_ColorReadBuffer->Format) { - case MESA_FORMAT_ARGB8888: - return GL_UNSIGNED_BYTE; case MESA_FORMAT_RGB565: return GL_UNSIGNED_SHORT_5_6_5_REV; default: + break; + } + + switch (data_type) { + case GL_SIGNED_NORMALIZED: + return GL_BYTE; + case GL_UNSIGNED_INT: + case GL_INT: + case GL_FLOAT: + return data_type; + case GL_UNSIGNED_NORMALIZED: + default: return GL_UNSIGNED_BYTE; } } |