beetle-psx-libretro/rsx/rsx_intf.c
2016-04-09 01:34:42 +02:00

398 lines
8.1 KiB
C

#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <boolean.h>
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
#include <glsm/glsm.h>
#endif
#include "rsx_intf.h"
#ifdef HAVE_RUST
#include "rsx.h"
#endif
uint8_t psx_gpu_upscale_shift;
uint8_t widescreen_hack;
static enum rsx_renderer_type rsx_type =
#ifdef HAVE_RUST
RSX_EXTERNAL_RUST
#else
RSX_SOFTWARE
#endif
;
static bool rsx_is_pal = false;
static retro_video_refresh_t rsx_video_cb;
static retro_environment_t rsx_environ_cb;
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
static bool fb_ready = false;
static void context_reset(void)
{
printf("context_reset.\n");
glsm_ctl(GLSM_CTL_STATE_CONTEXT_RESET, NULL);
if (!glsm_ctl(GLSM_CTL_STATE_SETUP, NULL))
return;
fb_ready = true;
}
static void context_destroy(void)
{
}
static bool context_framebuffer_lock(void *data)
{
if (fb_ready)
return false;
return true;
}
#endif
void rsx_intf_set_environment(retro_environment_t cb)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
rsx_environ_cb = cb;
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_set_environment(cb);
#endif
break;
}
}
void rsx_intf_set_video_refresh(retro_video_refresh_t cb)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
rsx_video_cb = cb;
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_set_video_refresh(cb);
#endif
break;
}
}
static float video_output_framerate(void)
{
return rsx_is_pal ? 49.842 : 59.941;
}
void rsx_intf_get_system_av_info(struct retro_system_av_info *info)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
memset(info, 0, sizeof(*info));
info->timing.fps = video_output_framerate();
info->timing.sample_rate = 44100;
info->geometry.base_width = MEDNAFEN_CORE_GEOMETRY_BASE_W << psx_gpu_upscale_shift;
info->geometry.base_height = MEDNAFEN_CORE_GEOMETRY_BASE_H << psx_gpu_upscale_shift;
info->geometry.max_width = MEDNAFEN_CORE_GEOMETRY_MAX_W << psx_gpu_upscale_shift;
info->geometry.max_height = MEDNAFEN_CORE_GEOMETRY_MAX_H << psx_gpu_upscale_shift;
info->geometry.aspect_ratio = !widescreen_hack ? MEDNAFEN_CORE_GEOMETRY_ASPECT_RATIO : (float)16/9;
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_get_system_av_info(info);
#endif
break;
}
}
void rsx_intf_init(enum rsx_renderer_type type)
{
rsx_type = type;
switch (rsx_type)
{
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_init();
#endif
break;
default:
break;
}
}
enum rsx_renderer_type rsx_intf_is_type(void)
{
return rsx_type;
}
bool rsx_intf_open(bool is_pal)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
rsx_is_pal = is_pal;
break;
case RSX_OPENGL:
{
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
glsm_ctx_params_t params = {0};
params.context_reset = context_reset;
params.context_destroy = context_destroy;
params.environ_cb = rsx_environ_cb;
params.stencil = true;
params.imm_vbo_draw = NULL;
params.imm_vbo_disable = NULL;
params.framebuffer_lock = context_framebuffer_lock;
if (glsm_ctl(GLSM_CTL_STATE_CONTEXT_INIT, &params))
rsx_type = RSX_OPENGL;
#endif
}
rsx_is_pal = is_pal;
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_open(is_pal);
#endif
break;
}
return true;
}
void rsx_intf_close(void)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_close();
#endif
break;
}
}
void rsx_intf_refresh_variables(void)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_refresh_variables();
#endif
break;
}
}
void rsx_intf_prepare_frame(void)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
break;
case RSX_OPENGL:
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
glsm_ctl(GLSM_CTL_STATE_BIND, NULL);
#endif
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_prepare_frame();
#endif
break;
}
}
void rsx_intf_finalize_frame(const void *fb, unsigned width,
unsigned height, unsigned pitch)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
rsx_video_cb(fb, width, height, pitch);
break;
case RSX_OPENGL:
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
rsx_video_cb(RETRO_HW_FRAME_BUFFER_VALID,
width, height, pitch);
glsm_ctl(GLSM_CTL_STATE_UNBIND, NULL);
#endif
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_finalize_frame();
#endif
break;
}
}
void rsx_intf_set_draw_offset(int16_t x, int16_t y)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_set_draw_offset(x, y);
#endif
break;
}
}
void rsx_intf_set_draw_area(uint16_t x, uint16_t y,
uint16_t w, uint16_t h)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_set_draw_area(x, y, w, h);
#endif
break;
}
}
void rsx_intf_set_display_mode(uint16_t x, uint16_t y,
uint16_t w, uint16_t h,
bool depth_24bpp)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_set_display_mode(x, y, w, h, depth_24bpp);
#endif
break;
}
}
void rsx_intf_push_triangle(int16_t p0x, int16_t p0y,
int16_t p1x, int16_t p1y,
int16_t p2x, int16_t p2y,
uint32_t c0,
uint32_t c1,
uint32_t c2,
uint16_t t0x, uint16_t t0y,
uint16_t t1x, uint16_t t1y,
uint16_t t2x, uint16_t t2y,
uint16_t texpage_x, uint16_t texpage_y,
uint16_t clut_x, uint16_t clut_y,
uint8_t texture_blend_mode,
uint8_t depth_shift,
bool dither)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_push_triangle(p0x, p0y, p1x, p1y, p2x, p2y,
c0, c1, c2, t0x, t0y, t1x, t1y, t2x, t2y,
texpage_x, texpage_y, clut_x, clut_y,
texture_blend_mode,
depth_shift,
dither);
#endif
break;
}
}
void rsx_intf_push_line(int16_t p0x, int16_t p0y,
int16_t p1x, int16_t p1y,
uint32_t c0,
uint32_t c1,
bool dither)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_push_line(p0x, p0y, p1x, p1y, c0, c1, dither);
#endif
break;
}
}
void rsx_intf_load_image(uint16_t x, uint16_t y,
uint16_t w, uint16_t h,
uint16_t *vram)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_load_image(x, y, w, h, vram);
#endif
break;
}
}
void rsx_intf_fill_rect(uint32_t color,
uint16_t x, uint16_t y,
uint16_t w, uint16_t h)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_fill_rect(color, x, y, w, h);
#endif
break;
}
}
void rsx_intf_copy_rect(uint16_t src_x, uint16_t src_y,
uint16_t dst_x, uint16_t dst_y,
uint16_t w, uint16_t h)
{
switch (rsx_type)
{
case RSX_SOFTWARE:
case RSX_OPENGL:
break;
case RSX_EXTERNAL_RUST:
#ifdef HAVE_RUST
rsx_copy_rect(src_x, src_y, dst_x, dst_y,
w, h);
#endif
break;
}
}