add a libcrypt warning
[pcsx_rearmed.git] / plugins / gpu_neon / psx_gpu_if.c
CommitLineData
90ca4913 1/*
2 * (C) GraÅžvydas "notaz" Ignotas, 2011
3 *
4 * This work is licensed under the terms of any of these licenses
5 * (at your option):
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.
9 */
10
11#include <stdio.h>
3b7b0065 12#include <assert.h>
1fce6ce8 13
3b7b0065 14#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
90ca4913 15
652c6b8b 16extern const unsigned char cmd_lengths[256];
17#define command_lengths cmd_lengths
18
b243416b 19static unsigned int *ex_regs;
9ee0fd5b 20static int initialized;
b243416b 21
22#define PCSX
23#define SET_Ex(r, v) \
24 ex_regs[r] = v
25
3b7b0065 26static __attribute__((noinline)) void
27sync_enhancement_buffers(int x, int y, int w, int h);
28
29#include "../gpulib/gpu.h"
90ca4913 30#include "psx_gpu/psx_gpu.c"
90ca4913 31#include "psx_gpu/psx_gpu_parse.c"
90ca4913 32
33static psx_gpu_struct egpu __attribute__((aligned(256)));
34
b243416b 35int do_cmd_list(uint32_t *list, int count, int *last_cmd)
90ca4913 36{
c1817bd9 37 int ret;
38
9775fc33 39#if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
40 // the asm doesn't bother to save callee-save vector regs, so do it here
41 __asm__ __volatile__("":::"q4","q5","q6","q7");
42#endif
43
c1817bd9 44 if (gpu.state.enhancement_active)
45 ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd);
46 else
47 ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd);
b243416b 48
9775fc33 49#if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
50 __asm__ __volatile__("":::"q4","q5","q6","q7");
51#endif
52
b243416b 53 ex_regs[1] &= ~0x1ff;
54 ex_regs[1] |= egpu.texture_settings & 0x1ff;
55 return ret;
90ca4913 56}
57
06bc35c8 58#define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2)
50f9355a 59
5bbe183f 60static void *get_enhancement_bufer(int *x, int *y, int *w, int *h,
fa56d360 61 int *vram_h)
a8be0deb 62{
63 uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x);
64
65 *x *= 2;
66 *y *= 2;
67 *w = *w * 2;
68 *h = *h * 2;
fa56d360 69 *vram_h = 1024;
a8be0deb 70 return ret;
71}
72
9ee0fd5b 73static void map_enhancement_buffer(void)
90ca4913 74{
9ee0fd5b 75 // currently we use 4x 1024*1024 buffers instead of single 2048*1024
76 // to be able to reuse 1024-width code better (triangle setup,
77 // dithering phase, lines).
a8be0deb 78 egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE);
79 if (egpu.enhancement_buf_ptr == NULL) {
9ee0fd5b 80 fprintf(stderr, "failed to map enhancement buffer\n");
a8be0deb 81 gpu.get_enhancement_bufer = NULL;
82 }
83 else {
84 egpu.enhancement_buf_ptr += 4096 / 2;
85 gpu.get_enhancement_bufer = get_enhancement_bufer;
86 }
9ee0fd5b 87}
e929dec5 88
9ee0fd5b 89int renderer_init(void)
90{
91 if (gpu.vram != NULL) {
92 initialize_psx_gpu(&egpu, gpu.vram);
93 initialized = 1;
e929dec5 94 }
e929dec5 95
a8be0deb 96 if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
9ee0fd5b 97 map_enhancement_buffer();
98
99 ex_regs = gpu.ex_regs;
90ca4913 100 return 0;
101}
102
e929dec5 103void renderer_finish(void)
104{
a8be0deb 105 if (egpu.enhancement_buf_ptr != NULL) {
106 egpu.enhancement_buf_ptr -= 4096 / 2;
107 gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE);
06bc35c8 108 }
e929dec5 109 egpu.enhancement_buf_ptr = NULL;
06bc35c8 110 egpu.enhancement_current_buf_ptr = NULL;
9ee0fd5b 111 initialized = 0;
e929dec5 112}
113
50f9355a 114static __attribute__((noinline)) void
115sync_enhancement_buffers(int x, int y, int w, int h)
116{
7956599f 117 const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16);
3b7b0065 118 int hres = egpu.saved_hres;
119 int x_buf, w1, s, fb_index;
50f9355a 120 u16 *src, *dst;
3b7b0065 121
122 if (egpu.enhancement_buf_ptr == NULL)
123 return;
50f9355a 124
7956599f 125 w += x & (step_x - 1);
126 x &= ~(step_x - 1);
127 w = (w + step_x - 1) & ~(step_x - 1);
50f9355a 128 if (y + h > 512)
129 h = 512 - y;
130
3b7b0065 131 // find x_buf which is an offset into this enhancement_buf
132 fb_index = egpu.enhancement_buf_by_x16[x / step_x];
133 x_buf = x - egpu.enhancement_buf_start[fb_index];
134
7956599f 135 while (w > 0) {
136 fb_index = egpu.enhancement_buf_by_x16[x / step_x];
3b7b0065 137 for (w1 = 0; w > 0 && x_buf < hres; x_buf += step_x, w1++, w -= step_x)
7956599f 138 if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1])
139 break;
3b7b0065 140 // skip further unneeded data, if any
141 for (s = 0; w > 0; s++, w -= step_x)
142 if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1 + s])
143 break;
7956599f 144
3b7b0065 145 if (w1 > 0) {
146 src = gpu.vram + y * 1024 + x;
147 dst = select_enhancement_buf_ptr(&egpu, x);
148 dst += (y * 1024 + x) * 2;
149 scale2x_tiles8(dst, src, w1 * step_x / 8, h);
150 }
7956599f 151
3b7b0065 152 x += (w1 + s) * step_x;
9c279d22 153 x &= 0x3ff;
3b7b0065 154 x_buf = 0;
50f9355a 155 }
156}
157
90ca4913 158void renderer_sync_ecmds(uint32_t *ecmds)
159{
b243416b 160 gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL);
90ca4913 161}
162
3b7b0065 163void renderer_update_caches(int x, int y, int w, int h, int state_changed)
90ca4913 164{
05740673 165 update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1);
3b7b0065 166
167 if (gpu.state.enhancement_active) {
168 if (state_changed) {
169 egpu.saved_hres = 0;
170 renderer_notify_res_change();
171 return;
172 }
50f9355a 173 sync_enhancement_buffers(x, y, w, h);
3b7b0065 174 }
90ca4913 175}
176
177void renderer_flush_queues(void)
178{
179 flush_render_block_buffer(&egpu);
180}
181
5440b88e 182void renderer_set_interlace(int enable, int is_odd)
183{
f1359c57 184 egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD);
5440b88e 185 if (enable)
f1359c57 186 egpu.render_mode |= RENDER_INTERLACE_ENABLED;
5440b88e 187 if (is_odd)
f1359c57 188 egpu.render_mode |= RENDER_INTERLACE_ODD;
5440b88e 189}
190
e929dec5 191void renderer_notify_res_change(void)
192{
3b7b0065 193 renderer_notify_scanout_x_change(gpu.screen.src_x, gpu.screen.hres);
194}
195
196void renderer_notify_scanout_x_change(int x, int w)
197{
198 int hres = (w + 15) & ~15;
199 int max_bufs = ARRAY_SIZE(egpu.enhancement_scanout_x);
200 int need_update = 0;
201 int i;
202
203 if (!gpu.state.enhancement_active)
204 return;
205
206 assert(!(max_bufs & (max_bufs - 1)));
207 if (egpu.saved_hres != hres) {
208 for (i = 0; i < max_bufs; i++)
209 egpu.enhancement_scanout_x[i] = x;
210 need_update = 1;
211 }
212
213 if (egpu.enhancement_scanout_x[egpu.enhancement_scanout_select] != x)
214 {
215 // maybe triple buffering?
216 for (i = 0; i < max_bufs; i++)
217 if (egpu.enhancement_scanout_x[i] == x)
218 break;
219 if (i == max_bufs)
220 need_update = 1;
221
222 egpu.enhancement_scanout_x[egpu.enhancement_scanout_select] = x;
223 }
224 egpu.enhancement_scanout_select++;
225 egpu.enhancement_scanout_select &= max_bufs - 1;
226 if (need_update)
7956599f 227 {
3b7b0065 228 egpu.saved_hres = hres;
77e34391 229 update_enhancement_buf_table_from_hres(&egpu);
3b7b0065 230 sync_enhancement_buffers(0, 0, 1024, 512);
7956599f 231 }
e929dec5 232}
233
c1817bd9 234#include "../../frontend/plugin_lib.h"
235
90ca4913 236void renderer_set_config(const struct rearmed_cbs *cbs)
237{
9ee0fd5b 238 if (!initialized) {
239 initialize_psx_gpu(&egpu, gpu.vram);
240 initialized = 1;
241 }
fa56d360 242 if (cbs->pl_set_gpu_caps)
243 cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X);
5c1cbedc 244
245 egpu.use_dithering = cbs->gpu_neon.allow_dithering;
246 if(!egpu.use_dithering) {
247 egpu.dither_table[0] = dither_table_row(0, 0, 0, 0);
248 egpu.dither_table[1] = dither_table_row(0, 0, 0, 0);
249 egpu.dither_table[2] = dither_table_row(0, 0, 0, 0);
250 egpu.dither_table[3] = dither_table_row(0, 0, 0, 0);
251 } else {
252 egpu.dither_table[0] = dither_table_row(-4, 0, -3, 1);
253 egpu.dither_table[1] = dither_table_row(2, -2, 3, -1);
254 egpu.dither_table[2] = dither_table_row(-3, 1, -4, 0);
255 egpu.dither_table[3] = dither_table_row(3, -1, 2, -2);
256 }
257
3b7b0065 258 disable_main_render = cbs->gpu_neon.enhancement_no_main;
259 if (gpu.state.enhancement_enable) {
260 if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
261 map_enhancement_buffer();
262 }
90ca4913 263}
3b7b0065 264
c765eb86
JW
265void renderer_sync(void)
266{
267}
3b7b0065 268
c765eb86
JW
269void renderer_notify_update_lace(int updated)
270{
271}
3b7b0065 272
273// vim:ts=2:sw=2:expandtab