GLdc/experimental/flush.c
2018-05-05 20:38:55 +01:00

89 lines
2.1 KiB
C

#include <kos.h>
#include "../containers/aligned_vector.h"
#include "private.h"
#define TA_SQ_ADDR (unsigned int *)(void *) \
(0xe0000000 | (((unsigned long)0x10000000) & 0x03ffffe0))
static AlignedVector OP_LIST;
static AlignedVector PT_LIST;
static AlignedVector TR_LIST;
typedef struct {
unsigned int cmd[8];
} PVRCommand;
static void pvr_list_submit(void *src, int n) {
GLuint *d = TA_SQ_ADDR;
GLuint *s = src;
/* fill/write queues as many times necessary */
while(n--) {
__asm__("pref @%0" : : "r"(s + 8)); /* prefetch 32 bytes for next loop */
d[0] = *(s++);
d[1] = *(s++);
d[2] = *(s++);
d[3] = *(s++);
d[4] = *(s++);
d[5] = *(s++);
d[6] = *(s++);
d[7] = *(s++);
__asm__("pref @%0" : : "r"(d));
d += 8;
}
/* Wait for both store queues to complete */
d = (GLuint *)0xe0000000;
d[0] = d[8] = 0;
}
static void _initPVR() {
pvr_init_params_t params = {
/* Enable opaque and translucent polygons with size 32 and 32 */
{ PVR_BINSIZE_32, PVR_BINSIZE_0, PVR_BINSIZE_32, PVR_BINSIZE_0, PVR_BINSIZE_32 },
GL_PVR_VERTEX_BUF_SIZE, /* Vertex buffer size */
0, /* No DMA */
0, /* No FSAA */
1 /* Disable translucent auto-sorting to match traditional GL */
};
pvr_init(&params);
}
AlignedVector* activePolyList() {
return &OP_LIST;
}
/* FIXME: Rename to glKosInit when experimental is core */
void glKosBoot() {
_initPVR();
initAttributePointers();
aligned_vector_init(&OP_LIST, sizeof(PVRCommand));
aligned_vector_init(&PT_LIST, sizeof(PVRCommand));
aligned_vector_init(&TR_LIST, sizeof(PVRCommand));
}
void glKosSwapBuffers() {
pvr_wait_ready();
pvr_scene_begin();
pvr_list_begin(PVR_LIST_OP_POLY);
pvr_list_submit(OP_LIST.data, OP_LIST.size);
pvr_list_finish();
pvr_list_begin(PVR_LIST_PT_POLY);
pvr_list_submit(PT_LIST.data, PT_LIST.size);
pvr_list_finish();
pvr_list_begin(PVR_LIST_TR_POLY);
pvr_list_submit(TR_LIST.data, TR_LIST.size);
pvr_list_finish();
pvr_scene_finish();
}