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Implement videoConfigure and retro_get_system_av_info

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This commit is contained in:
Jean-André Santoni 2018-04-20 18:07:39 +07:00
parent 97c3c14a6a
commit 3095812c0b
2 changed files with 56 additions and 30 deletions
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4
cfuncs.go
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@ -20,6 +20,10 @@ void bridge_retro_get_system_info(void *f, struct retro_system_info *si) {
return ((void (*)(struct retro_system_info *))f)(si);
}
void bridge_retro_get_system_av_info(void *f, struct retro_system_av_info *si) {
return ((void (*)(struct retro_system_av_info *))f)(si);
}
bool bridge_retro_set_environment(void *f, void *callback) {
return ((bool (*)(retro_environment_t))f)((retro_environment_t)callback);
}

82
nanoarch.go
View File

@ -27,6 +27,7 @@ void bridge_retro_init(void *f);
void bridge_retro_deinit(void *f);
unsigned bridge_retro_api_version(void *f);
void bridge_retro_get_system_info(void *f, struct retro_system_info *si);
void bridge_retro_get_system_av_info(void *f, struct retro_system_av_info *si);
bool bridge_retro_set_environment(void *f, void *callback);
void bridge_retro_set_video_refresh(void *f, void *callback);
void bridge_retro_set_input_poll(void *f, void *callback);
@ -68,17 +69,17 @@ func videoSetPixelFormat(format uint32) C.bool {
case C.RETRO_PIXEL_FORMAT_0RGB1555:
video.pixFmt = gl.UNSIGNED_SHORT_5_5_5_1
video.pixType = gl.BGRA
video.bpp = 16
video.bpp = 2
break
case C.RETRO_PIXEL_FORMAT_XRGB8888:
video.pixFmt = gl.UNSIGNED_INT_8_8_8_8_REV
video.pixType = gl.BGRA
video.bpp = 32
video.bpp = 4
break
case C.RETRO_PIXEL_FORMAT_RGB565:
video.pixFmt = gl.UNSIGNED_SHORT_5_6_5
video.pixType = gl.RGB
video.bpp = 16
video.bpp = 2
break
default:
log.Fatalf("Unknown pixel type %v", format)
@ -87,6 +88,38 @@ func videoSetPixelFormat(format uint32) C.bool {
return true
}
func videoConfigure(geom *C.struct_retro_game_geometry) {
if video.texID != 0 {
gl.DeleteTextures(1, &video.texID)
}
video.texID = 0
if video.pixFmt != 0 {
video.pixFmt = gl.UNSIGNED_SHORT_5_5_5_1
}
gl.GenTextures(1, &video.texID)
gl.ActiveTexture(gl.TEXTURE0)
if video.texID == 0 {
fmt.Println("Failed to create the video texture")
}
video.pitch = uint32(geom.base_width) * video.bpp
gl.BindTexture(gl.TEXTURE_2D, video.texID)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, int32(geom.base_width), int32(geom.base_height), 0, video.pixType, video.pixFmt, nil)
gl.BindTexture(gl.TEXTURE_2D, 0)
}
//export coreVideoRefresh
func coreVideoRefresh(data unsafe.Pointer, width C.unsigned, height C.unsigned, pitch C.size_t) {
gl.BindTexture(gl.TEXTURE_2D, video.texID)
@ -96,6 +129,9 @@ func coreVideoRefresh(data unsafe.Pointer, width C.unsigned, height C.unsigned,
gl.PixelStorei(gl.UNPACK_ROW_LENGTH, int32(video.pitch/video.bpp))
}
// ba := *(*[]byte)(data)
// fmt.Println(len(ba))
if data != nil {
gl.TexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, int32(width), int32(height), video.pixType, video.pixFmt, data)
}
@ -161,6 +197,7 @@ var retroInit unsafe.Pointer
var retroDeinit unsafe.Pointer
var retroAPIVersion unsafe.Pointer
var retroGetSystemInfo unsafe.Pointer
var retroGetSystemAVInfo unsafe.Pointer
var retroSetEnvironment unsafe.Pointer
var retroSetVideoRefresh unsafe.Pointer
var retroSetInputPoll unsafe.Pointer
@ -182,6 +219,7 @@ func coreLoad(sofile string) {
retroDeinit = C.dlsym(h, C.CString("retro_deinit"))
retroAPIVersion = C.dlsym(h, C.CString("retro_api_version"))
retroGetSystemInfo = C.dlsym(h, C.CString("retro_get_system_info"))
retroGetSystemAVInfo = C.dlsym(h, C.CString("retro_get_system_av_info"))
retroSetEnvironment = C.dlsym(h, C.CString("retro_set_environment"))
retroSetVideoRefresh = C.dlsym(h, C.CString("retro_set_video_refresh"))
retroSetInputPoll = C.dlsym(h, C.CString("retro_set_input_poll"))
@ -253,6 +291,12 @@ func coreLoadGame(filename string) {
if !ok {
fmt.Println("The core failed to load the content.")
}
avi := C.struct_retro_system_av_info{}
C.bridge_retro_get_system_av_info(retroGetSystemAVInfo, &avi)
//videoConfigure(&avi.geometry)
}
func videoRender() {
@ -309,33 +353,11 @@ func main() {
gl.BindFragDataLocation(video.program, 0, gl.Str("outputColor\x00"))
if video.texID != 0 {
gl.DeleteTextures(1, &video.texID)
}
video.texID = 0
if video.pixFmt != 0 {
video.pixFmt = gl.UNSIGNED_SHORT_5_5_5_1
}
gl.GenTextures(1, &video.texID)
gl.ActiveTexture(gl.TEXTURE0)
if video.texID == 0 {
fmt.Println("Failed to create the video texture")
}
video.pitch = 256 * video.bpp
gl.BindTexture(gl.TEXTURE_2D, video.texID)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE)
gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE)
gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA8, 256, 224, 0, video.pixType, video.pixFmt, nil)
//gl.BindTexture(gl.TEXTURE_2D, 0)
avi := C.struct_retro_system_av_info{}
avi.geometry = C.struct_retro_game_geometry{}
avi.geometry.base_width = 256
avi.geometry.base_height = 240
videoConfigure(&avi.geometry)
// Configure the vertex data
gl.GenVertexArrays(1, &video.vao)