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reeeeally rough first pass at hdmi support

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This commit is contained in:
Shaun Inman 2023-03-01 22:53:15 -05:00
parent a416457520
commit e2f7c63892
8 changed files with 167 additions and 55 deletions
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68
src/minarch/main.c
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@ -1205,12 +1205,16 @@ void Input_init(const struct retro_input_descriptor *vars) {
}
}
puts("---------------------------------");
for (int i=0;default_button_mapping[i].name; i++) {
ButtonMapping* mapping = &default_button_mapping[i];
LOG_info("DEFAULT %s (%s): <%s>\n", core_button_names[mapping->retro], mapping->name, (mapping->local==BTN_ID_NONE ? "NONE" : device_button_names[mapping->local]));
mapping->name = (char*)core_button_names[mapping->retro];
}
puts("---------------------------------");
for (int i=0; config.controls[i].name; i++) {
ButtonMapping* mapping = &config.controls[i];
mapping->default_ = mapping->local;
@ -2306,10 +2310,13 @@ static void selectScaler_AR(int width, int height, int pitch) {
int src_w = width;
int src_h = height;
int scale_x = CEIL_DIV(FIXED_WIDTH, src_w);
int scale_y = CEIL_DIV(FIXED_HEIGHT,src_h);
int has_hdmi = GetHDMI();
int scale_x = CEIL_DIV(has_hdmi ? HDMI_WIDTH : SCREEN_WIDTH, src_w);
int scale_y = CEIL_DIV(has_hdmi ? HDMI_HEIGHT: SCREEN_HEIGHT,src_h);
int scale = MAX(scale_x, scale_y);
// TODO: this "logic" is a disaster
// if (scale>6) scale = 6;
// else
if (scale>2) scale = 4; // TODO: pillar/letterboxing at 3x produces vertical banding (some kind of alignment issue?)
@ -2328,20 +2335,47 @@ static void selectScaler_AR(int width, int height, int pitch) {
char scaler_name[8];
#define FOUR_THREE 4.0f / 3
#define SIXTEEN_NINE 16.0 / 9
double target_ratio = has_hdmi ? SIXTEEN_NINE : FOUR_THREE;
if (screen_scaling==1) {
sprintf(scaler_name, "AR_%iX", scale);
if (core.aspect_ratio==FOUR_THREE) {
// LOG_info("already 4:3\n");
}
else if (core.aspect_ratio<FOUR_THREE) {
// LOG_info("pillarbox\n");
target_w = CEIL_DIV(src_h, 3) * 4 * scale;
target_h = src_h * scale;
sprintf(scaler_name, "AR_%iX%s", scale, has_hdmi?"W":"R");
if (core.aspect_ratio==target_ratio) {
// LOG("already correct ratio\n");
}
else {
// LOG_info("letterbox\n");
target_w = src_w * scale;
target_h = CEIL_DIV(src_w, 4) * 3 * scale;
// TODO: is this ignoring the core's desired aspect ratio?
int ratio_left = target_ratio==SIXTEEN_NINE ? 16 : 4;
int ratio_right = target_ratio==SIXTEEN_NINE ? 9 : 3;
// TODO: why do these use CEIL_DIV?
if (core.aspect_ratio<target_ratio) {
// LOG_info("pillarbox\n");
target_w = CEIL_DIV(src_h, ratio_right) * ratio_left * scale;
target_h = src_h * scale;
}
else if (core.aspect_ratio>target_ratio) {
// LOG_info("letterbox\n");
target_w = src_w * scale;
target_h = CEIL_DIV(src_w, ratio_left) * ratio_right * scale;
}
// TODO:
if (target_w > PAGE_WIDTH) {
target_h = CEIL_DIV(PAGE_WIDTH, ratio_left) * ratio_right;
target_w = PAGE_WIDTH;
if (dst_h > target_h) {
scale -= 1;
dst_w = src_w * scale;
dst_h = src_h * scale;
}
sprintf(scaler_name, "AR_%iXD", scale);
LOG_warn("target: %ix%i (%i) page: %ix%i (%i) \n", target_w,target_h, target_w*target_h*FIXED_BPP, PAGE_WIDTH,PAGE_HEIGHT,PAGE_SIZE);
}
}
}
else {
@ -2350,17 +2384,23 @@ static void selectScaler_AR(int width, int height, int pitch) {
if (target_w%2) target_w += 1;
if (target_h%2) target_h += 1;
int dx = (target_w - dst_w) / 2;
int dy = (target_h - dst_h) / 2;
// TODO: this masks a larger problem above
if (dx<0) dx = 0;
if (dy<0) dy = 0;
int target_pitch = target_w * FIXED_BPP;
renderer.dst_w = target_w;
renderer.dst_h = target_h;
renderer.dst_p = target_pitch;
renderer.dst_offset = (dy * target_pitch) + (dx * FIXED_BPP);
if (has_hdmi) LOG_warn("dst offset: %i,%i (%i)\n", dx,dy, renderer.dst_offset);
switch (scale) {
case 6: renderer.scaler = scale6x_n16; break;
case 5: renderer.scaler = scale5x_n16; break;