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authorIan Romanick <[email protected]>2012-07-25 16:21:49 -0700
committerIan Romanick <[email protected]>2012-08-29 15:09:34 -0700
commit2c87030a00eb5b7034f14f6060093d4b264bc5c0 (patch)
tree0469c553c3f315e4a5d820188ef6443b87be240e
parentc13f36ce4e34821144ca6479e4bc3598b598d855 (diff)
mesa/es: Validate glGetVertexAttribf pname in Mesa code rather than the ES wrapper
v2: Add proper core-profile and GLES3 filtering. v3: Allow glGetVertexAttribfv(0, GL_CURRENT_VERTEX_ATTRIB_ARB, param) in OpenGL 3.1, just like OpenGL ES 2.0. Signed-off-by: Ian Romanick <[email protected]>
-rw-r--r--src/mesa/main/APIspec.xml16
-rw-r--r--src/mesa/main/varray.c15
2 files changed, 12 insertions, 19 deletions
diff --git a/src/mesa/main/APIspec.xml b/src/mesa/main/APIspec.xml
index de7364091b9..6b20baa38df 100644
--- a/src/mesa/main/APIspec.xml
+++ b/src/mesa/main/APIspec.xml
@@ -1622,22 +1622,6 @@
<param name="pname" type="GLenum"/>
<vector name="params" type="GLtype *" size="dynamic"/>
</proto>
-
- <desc name="pname">
- <value name="GL_VERTEX_ATTRIB_ARRAY_ENABLED"/>
- <value name="GL_VERTEX_ATTRIB_ARRAY_SIZE"/>
- <value name="GL_VERTEX_ATTRIB_ARRAY_STRIDE"/>
- <value name="GL_VERTEX_ATTRIB_ARRAY_TYPE"/>
- <value name="GL_VERTEX_ATTRIB_ARRAY_NORMALIZED"/>
- <value name="GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING"/>
-
- <desc name="params" vector_size="1" convert="false"/>
- </desc>
-
- <desc name="pname">
- <value name="GL_CURRENT_VERTEX_ATTRIB"/>
- <desc name="params" vector_size="16?" convert="false"/>
- </desc>
</template>
<template name="GetVertexAttribPointer" direction="get">
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 8c3ddc524aa..8a123337154 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -590,12 +590,15 @@ get_vertex_array_attrib(struct gl_context *ctx, GLuint index, GLenum pname,
case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
return array->BufferObj->Name;
case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
- if (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4) {
+ if ((_mesa_is_desktop_gl(ctx)
+ && (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4))
+ || _mesa_is_gles3(ctx)) {
return array->Integer;
}
goto error;
case GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB:
- if (ctx->Extensions.ARB_instanced_arrays) {
+ if ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_instanced_arrays)
+ || _mesa_is_gles3(ctx)) {
return array->InstanceDivisor;
}
goto error;
@@ -613,7 +616,13 @@ static const GLfloat *
get_current_attrib(struct gl_context *ctx, GLuint index, const char *function)
{
if (index == 0) {
- if (ctx->API != API_OPENGLES2) {
+ /* In OpenGL 3.1 attribute 0 becomes non-magic, just like in OpenGL ES
+ * 2.0. Note that we cannot just check for API_OPENGL_CORE here because
+ * that will erroneously allow this usage in a 3.0 forward-compatible
+ * context too.
+ */
+ if ((ctx->API != API_OPENGL_CORE || ctx->Version < 31)
+ && ctx->API != API_OPENGLES2) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(index==0)", function);
return NULL;
}