diff options
| -rw-r--r-- | src/mesa/main/teximage.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index d87808de9ff..d62fea6e4f5 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -2347,6 +2347,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions, GLint width, GLint height, GLint border ) { GLint baseFormat; + struct gl_renderbuffer *rb; + GLenum rb_internal_format; /* check target */ if (!legal_texsubimage_target(ctx, dimensions, target)) { @@ -2391,6 +2393,13 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions, return GL_TRUE; } + rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat); + if (rb == NULL) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyTexImage%dD(read buffer)", dimensions); + return GL_TRUE; + } + /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the * internalFormat. */ @@ -2416,6 +2425,8 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions, return GL_TRUE; } + rb_internal_format = rb->InternalFormat; + if (!_mesa_source_buffer_exists(ctx, baseFormat)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexImage%dD(missing readbuffer)", dimensions); @@ -2430,13 +2441,20 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions, * integer format and the read color buffer is an integer format." */ if (_mesa_is_color_format(internalFormat)) { - struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer; - - if (_mesa_is_enum_format_integer(rb->InternalFormat) != - _mesa_is_enum_format_integer(internalFormat)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyTexImage%dD(integer vs non-integer)", dimensions); - return GL_TRUE; + bool is_int = _mesa_is_enum_format_integer(internalFormat); + bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format); + if (is_int || is_rbint) { + if (is_int != is_rbint) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyTexImage%dD(integer vs non-integer)", dimensions); + return GL_TRUE; + } else if (_mesa_is_gles(ctx) && + _mesa_is_enum_format_unsigned_int(internalFormat) != + _mesa_is_enum_format_unsigned_int(rb_internal_format)) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glCopyTexImage%dD(signed vs unsigned integer)", dimensions); + return GL_TRUE; + } } } |