diff options
Diffstat (limited to 'mesalib/src/mesa/main/bufferobj.c')
| -rw-r--r-- | mesalib/src/mesa/main/bufferobj.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c index d9afe37a0..ac6bbc56b 100644 --- a/mesalib/src/mesa/main/bufferobj.c +++ b/mesalib/src/mesa/main/bufferobj.c @@ -1312,20 +1312,17 @@ _mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params) *params = _mesa_bufferobj_mapped(bufObj); return; case GL_BUFFER_ACCESS_FLAGS: - if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range) - && !_mesa_is_gles3(ctx)) + if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; *params = bufObj->AccessFlags; return; case GL_BUFFER_MAP_OFFSET: - if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range) - && !_mesa_is_gles3(ctx)) + if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; *params = (GLint) bufObj->Offset; return; case GL_BUFFER_MAP_LENGTH: - if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range) - && !_mesa_is_gles3(ctx)) + if (!ctx->Extensions.ARB_map_buffer_range) goto invalid_pname; *params = (GLint) bufObj->Length; return; @@ -1524,6 +1521,19 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length, return NULL; } + /* Page 38 of the PDF of the OpenGL ES 3.0 spec says: + * + * "An INVALID_OPERATION error is generated for any of the following + * conditions: + * + * * <length> is zero." + */ + if (_mesa_is_gles(ctx) && length == 0) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glMapBufferRange(length = 0)"); + return NULL; + } + if (access & ~(GL_MAP_READ_BIT | GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT | |