2 * (C) GraÅžvydas "notaz" Ignotas, 2011
4 * This work is licensed under the terms of any of these licenses
6 * - GNU GPL, version 2 or later.
7 * - GNU LGPL, version 2.1 or later.
8 * See the COPYING file in the top-level directory.
14 extern const unsigned char cmd_lengths[256];
15 #define command_lengths cmd_lengths
17 static unsigned int *ex_regs;
18 static int initialized;
21 #define SET_Ex(r, v) \
24 #include "psx_gpu/psx_gpu.c"
25 #include "psx_gpu/psx_gpu_parse.c"
26 #include "../gpulib/gpu.h"
28 static psx_gpu_struct egpu __attribute__((aligned(256)));
30 int do_cmd_list(uint32_t *list, int count, int *last_cmd)
34 #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
35 // the asm doesn't bother to save callee-save vector regs, so do it here
36 __asm__ __volatile__("":::"q4","q5","q6","q7");
39 if (gpu.state.enhancement_active)
40 ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd);
42 ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd);
44 #if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
45 __asm__ __volatile__("":::"q4","q5","q6","q7");
49 ex_regs[1] |= egpu.texture_settings & 0x1ff;
53 #define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2)
55 static uint16_t *get_enhancement_bufer(int *x, int *y, int *w, int *h,
58 uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x);
68 static void map_enhancement_buffer(void)
70 // currently we use 4x 1024*1024 buffers instead of single 2048*1024
71 // to be able to reuse 1024-width code better (triangle setup,
72 // dithering phase, lines).
73 egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE);
74 if (egpu.enhancement_buf_ptr == NULL) {
75 fprintf(stderr, "failed to map enhancement buffer\n");
76 gpu.get_enhancement_bufer = NULL;
79 egpu.enhancement_buf_ptr += 4096 / 2;
80 gpu.get_enhancement_bufer = get_enhancement_bufer;
84 int renderer_init(void)
86 if (gpu.vram != NULL) {
87 initialize_psx_gpu(&egpu, gpu.vram);
91 if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
92 map_enhancement_buffer();
94 ex_regs = gpu.ex_regs;
98 void renderer_finish(void)
100 if (egpu.enhancement_buf_ptr != NULL) {
101 egpu.enhancement_buf_ptr -= 4096 / 2;
102 gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE);
104 egpu.enhancement_buf_ptr = NULL;
105 egpu.enhancement_current_buf_ptr = NULL;
109 static __attribute__((noinline)) void
110 sync_enhancement_buffers(int x, int y, int w, int h)
112 const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16);
116 w += x & (step_x - 1);
118 w = (w + step_x - 1) & ~(step_x - 1);
123 fb_index = egpu.enhancement_buf_by_x16[x / step_x];
124 for (w1 = 0; w > 0; w1++, w -= step_x)
125 if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1])
128 src = gpu.vram + y * 1024 + x;
129 dst = select_enhancement_buf_ptr(&egpu, x);
130 dst += (y * 1024 + x) * 2;
131 scale2x_tiles8(dst, src, w1 * step_x / 8, h);
137 void renderer_sync_ecmds(uint32_t *ecmds)
139 gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL);
142 void renderer_update_caches(int x, int y, int w, int h)
144 update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1);
145 if (gpu.state.enhancement_active && !(gpu.status & PSX_GPU_STATUS_RGB24))
146 sync_enhancement_buffers(x, y, w, h);
149 void renderer_flush_queues(void)
151 flush_render_block_buffer(&egpu);
154 void renderer_set_interlace(int enable, int is_odd)
156 egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD);
158 egpu.render_mode |= RENDER_INTERLACE_ENABLED;
160 egpu.render_mode |= RENDER_INTERLACE_ODD;
163 void renderer_notify_res_change(void)
165 // note: must keep it multiple of 8
166 if (egpu.enhancement_x_threshold != gpu.screen.hres)
168 egpu.enhancement_x_threshold = gpu.screen.hres;
169 update_enhancement_buf_table_from_hres(&egpu);
173 #include "../../frontend/plugin_lib.h"
175 void renderer_set_config(const struct rearmed_cbs *cbs)
177 static int enhancement_was_on;
179 disable_main_render = cbs->gpu_neon.enhancement_no_main;
180 if (egpu.enhancement_buf_ptr != NULL && cbs->gpu_neon.enhancement_enable
181 && !enhancement_was_on)
183 sync_enhancement_buffers(0, 0, 1024, 512);
185 enhancement_was_on = cbs->gpu_neon.enhancement_enable;
188 initialize_psx_gpu(&egpu, gpu.vram);
192 if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
193 map_enhancement_buffer();
194 if (cbs->pl_set_gpu_caps)
195 cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X);