void GLAPIENTRY _mesa_noop_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices ))
return;
CALL_Begin(GET_DISPATCH(), (mode));
switch (type) {
case GL_UNSIGNED_BYTE:
for (i = 0 ; i < count ; i++)
CALL_ArrayElement(GET_DISPATCH(), ( ((GLubyte *)indices)[i] ));
break;
case GL_UNSIGNED_SHORT:
for (i = 0 ; i < count ; i++)
CALL_ArrayElement(GET_DISPATCH(), ( ((GLushort *)indices)[i] ));
break;
case GL_UNSIGNED_INT:
for (i = 0 ; i < count ; i++)
CALL_ArrayElement(GET_DISPATCH(), ( ((GLuint *)indices)[i] ));
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
break;
}
CALL_End(GET_DISPATCH(), ());
}
/* Could do better by copying the arrays and element list intact and
* then emitting an indexed prim at runtime.
*/
static void GLAPIENTRY
_save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid * indices)
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_save_context *save = &vbo_context(ctx)->save;
struct gl_buffer_object *indexbuf = ctx->Array.VAO->IndexBufferObj;
GLint i;
if (!_mesa_is_valid_prim_mode(ctx, mode)) {
_mesa_compile_error(ctx, GL_INVALID_ENUM, "glDrawElements(mode)");
return;
}
if (count < 0) {
_mesa_compile_error(ctx, GL_INVALID_VALUE, "glDrawElements(count<0)");
return;
}
if (type != GL_UNSIGNED_BYTE &&
type != GL_UNSIGNED_SHORT &&
type != GL_UNSIGNED_INT) {
_mesa_compile_error(ctx, GL_INVALID_VALUE, "glDrawElements(count<0)");
return;
}
if (save->out_of_memory)
return;
_ae_map_vbos(ctx);
if (_mesa_is_bufferobj(indexbuf))
indices =
ADD_POINTERS(indexbuf->Mappings[MAP_INTERNAL].Pointer, indices);
vbo_save_NotifyBegin(ctx, (mode | VBO_SAVE_PRIM_WEAK |
VBO_SAVE_PRIM_NO_CURRENT_UPDATE));
switch (type) {
case GL_UNSIGNED_BYTE:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLubyte *) indices)[i]));
break;
case GL_UNSIGNED_SHORT:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLushort *) indices)[i]));
break;
case GL_UNSIGNED_INT:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLuint *) indices)[i]));
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)");
break;
}
CALL_End(GET_DISPATCH(), ());
_ae_unmap_vbos(ctx);
}
static void GLAPIENTRY
_save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_save_context *save = &vbo_context(ctx)->save;
GLint i;
if (!_mesa_is_valid_prim_mode(ctx, mode)) {
_mesa_compile_error(ctx, GL_INVALID_ENUM, "glDrawArrays(mode)");
return;
}
if (count < 0) {
_mesa_compile_error(ctx, GL_INVALID_VALUE, "glDrawArrays(count<0)");
return;
}
if (save->out_of_memory)
return;
_ae_map_vbos(ctx);
vbo_save_NotifyBegin(ctx, (mode | VBO_SAVE_PRIM_WEAK
| VBO_SAVE_PRIM_NO_CURRENT_UPDATE));
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (start + i));
CALL_End(GET_DISPATCH(), ());
_ae_unmap_vbos(ctx);
}
/* Could do better by copying the arrays and element list intact and
* then emitting an indexed prim at runtime.
*/
static void GLAPIENTRY
_save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid * indices)
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_save_context *save = &vbo_context(ctx)->save;
GLint i;
if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices, 0))
return;
if (save->out_of_memory)
return;
_ae_map_vbos(ctx);
if (_mesa_is_bufferobj(ctx->Array.ArrayObj->ElementArrayBufferObj))
indices =
ADD_POINTERS(ctx->Array.ArrayObj->ElementArrayBufferObj->Pointer, indices);
vbo_save_NotifyBegin(ctx, (mode | VBO_SAVE_PRIM_WEAK |
VBO_SAVE_PRIM_NO_CURRENT_UPDATE));
switch (type) {
case GL_UNSIGNED_BYTE:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLubyte *) indices)[i]));
break;
case GL_UNSIGNED_SHORT:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLushort *) indices)[i]));
break;
case GL_UNSIGNED_INT:
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (((GLuint *) indices)[i]));
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)");
break;
}
CALL_End(GET_DISPATCH(), ());
_ae_unmap_vbos(ctx);
}
/* Some very basic support for arrays. Drivers without explicit array
* support can hook these in, but still need to supply an array-elt
* implementation.
*/
void GLAPIENTRY _mesa_noop_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
return;
CALL_Begin(GET_DISPATCH(), (mode));
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (start + i));
CALL_End(GET_DISPATCH(), ());
}
static void GLAPIENTRY _save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
GLint i;
if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
return;
_ae_map_vbos( ctx );
vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK );
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (start + i));
CALL_End(GET_DISPATCH(), ());
_ae_unmap_vbos( ctx );
}
static void GLAPIENTRY
_save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei count)
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_save_context *save = &vbo_context(ctx)->save;
GLint i;
if (!_mesa_validate_DrawArrays(ctx, mode, start, count))
return;
if (save->out_of_memory)
return;
_ae_map_vbos(ctx);
vbo_save_NotifyBegin(ctx, (mode | VBO_SAVE_PRIM_WEAK
| VBO_SAVE_PRIM_NO_CURRENT_UPDATE));
for (i = 0; i < count; i++)
CALL_ArrayElement(GET_DISPATCH(), (start + i));
CALL_End(GET_DISPATCH(), ());
_ae_unmap_vbos(ctx);
}