73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
#include "../platform.h"
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#include "sh4.h"
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#define TA_SQ_ADDR (unsigned int *)(void *) \
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(0xe0000000 | (((unsigned long)0x10000000) & 0x03ffffe0))
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#define QACRTA ((((unsigned int)0x10000000)>>26)<<2)&0x1c
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#define PVR_VERTEX_BUF_SIZE 2560 * 256
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void InitGPU(_Bool autosort, _Bool fsaa) {
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pvr_init_params_t params = {
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/* Enable opaque and translucent polygons with size 32 and 32 */
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{PVR_BINSIZE_32, PVR_BINSIZE_0, PVR_BINSIZE_32, PVR_BINSIZE_0, PVR_BINSIZE_32},
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PVR_VERTEX_BUF_SIZE, /* Vertex buffer size */
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0, /* No DMA */
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fsaa, /* No FSAA */
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(autosort) ? 0 : 1 /* Disable translucent auto-sorting to match traditional GL */
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};
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pvr_init(¶ms);
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}
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void SceneBegin() {
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pvr_wait_ready();
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pvr_scene_begin();
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QACR0 = QACRTA;
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QACR1 = QACRTA;
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}
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void SceneListBegin(GPUList list) {
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pvr_list_begin(list);
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}
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void SceneListSubmit(void* src, int n) {
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uint32_t *d = (uint32_t*) TA_SQ_ADDR;
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uint32_t *s = src;
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/* fill/write queues as many times necessary */
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while(n--) {
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__asm__("pref @%0" : : "r"(s + 8)); /* prefetch 32 bytes for next loop */
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d[0] = *(s++);
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d[1] = *(s++);
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d[2] = *(s++);
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d[3] = *(s++);
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d[4] = *(s++);
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d[5] = *(s++);
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d[6] = *(s++);
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d[7] = *(s++);
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__asm__("pref @%0" : : "r"(d));
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d += 8;
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}
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/* Wait for both store queues to complete */
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d = (uint32_t *)0xe0000000;
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d[0] = d[8] = 0;
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}
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void SceneListFinish() {
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pvr_list_finish();
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}
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void SceneFinish() {
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pvr_scene_finish();
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}
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const VideoMode* GetVideoMode() {
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static VideoMode mode;
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mode.width = vid_mode->width;
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mode.height = vid_mode->height;
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return &mode;
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}
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