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mesa: add vertex_array_element_buffer() helper

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
This commit is contained in:
Samuel Pitoiset
2017-07-19 15:43:28 +02:00
parent 80a845538a
commit 1429b5cd59
1 changed files with 38 additions and 21 deletions
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59
src/mesa/main/arrayobj.c
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@@ -642,41 +642,58 @@ _mesa_IsVertexArray( GLuint id )
* This is the ARB_direct_state_access equivalent of
* glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buffer).
*/
void GLAPIENTRY
_mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer)
static ALWAYS_INLINE void
vertex_array_element_buffer(struct gl_context *ctx, GLuint vaobj, GLuint buffer,
bool no_error)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_vertex_array_object *vao;
struct gl_buffer_object *bufObj;
ASSERT_OUTSIDE_BEGIN_END(ctx);
/* The GL_ARB_direct_state_access specification says:
*
* "An INVALID_OPERATION error is generated by VertexArrayElementBuffer
* if <vaobj> is not [compatibility profile: zero or] the name of an
* existing vertex array object."
*/
vao =_mesa_lookup_vao_err(ctx, vaobj, "glVertexArrayElementBuffer");
if (!vao)
return;
if (!no_error) {
/* The GL_ARB_direct_state_access specification says:
*
* "An INVALID_OPERATION error is generated by
* VertexArrayElementBuffer if <vaobj> is not [compatibility profile:
* zero or] the name of an existing vertex array object."
*/
vao =_mesa_lookup_vao_err(ctx, vaobj, "glVertexArrayElementBuffer");
if (!vao)
return;
} else {
vao = _mesa_lookup_vao(ctx, vaobj);
}
/* The GL_ARB_direct_state_access specification says:
*
* "An INVALID_OPERATION error is generated if <buffer> is not zero or
* the name of an existing buffer object."
*/
if (buffer != 0)
bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
"glVertexArrayElementBuffer");
else
if (buffer != 0) {
if (!no_error) {
/* The GL_ARB_direct_state_access specification says:
*
* "An INVALID_OPERATION error is generated if <buffer> is not zero
* or the name of an existing buffer object."
*/
bufObj = _mesa_lookup_bufferobj_err(ctx, buffer,
"glVertexArrayElementBuffer");
} else {
bufObj = _mesa_lookup_bufferobj(ctx, buffer);
}
} else {
bufObj = ctx->Shared->NullBufferObj;
}
if (bufObj)
_mesa_reference_buffer_object(ctx, &vao->IndexBufferObj, bufObj);
}
void GLAPIENTRY
_mesa_VertexArrayElementBuffer(GLuint vaobj, GLuint buffer)
{
GET_CURRENT_CONTEXT(ctx);
vertex_array_element_buffer(ctx, vaobj, buffer, false);
}
void GLAPIENTRY
_mesa_GetVertexArrayiv(GLuint vaobj, GLenum pname, GLint *param)
{