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Update vram and gram on palette swap #49

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Update vram and gram on palette swap #49

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29 changes: 24 additions & 5 deletions src/gte.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -827,6 +827,23 @@ bool checkHotkey(SDL_Keycode key) {
#define EM_BOOL int
#endif

// Force a redraw of the sdl surfaces for vRAM and gRAM
// This is useful when the entire screen needs to be redrawn following a palette swap
void redrawVramGramSurfaces() {
int vramSize = vRAM_Surface->w * vRAM_Surface->h;
int gramSize = gRAM_Surface->w * gRAM_Surface->h;
Uint32 *vramPixels = (Uint32 *)vRAM_Surface->pixels;
Uint32 *gramPixels = (Uint32 *)gRAM_Surface->pixels;

for (int i; i < vramSize; i++) {
vramPixels[i] = Palette::ConvertColor(vRAM_Surface, system_state.vram[i]);
}

for (int i; i < gramSize; i++) {
gramPixels[i] = Palette::ConvertColor(gRAM_Surface, system_state.gram[i]);
}
}

void refreshScreen() {
SDL_Rect src, dest;
int scr_w, scr_h;
Expand Down Expand Up @@ -869,11 +886,13 @@ void refreshScreen() {
ImGui::SliderInt("Volume", &AudioCoprocessor::singleton_acp_state->volume, 0, 256);
ImGui::Checkbox("Mute", &AudioCoprocessor::singleton_acp_state->isMuted);
if(ImGui::BeginMenu("Pallete")) {
ImGui::RadioButton("Unscaled Capture", &palette_select, PALETTE_SELECT_CAPTURE);
ImGui::RadioButton("Full Contrast", &palette_select, PALETTE_SELECT_SCALED);
ImGui::RadioButton("Cheap HDMI converter", &palette_select, PALETTE_SELECT_HDMI);
ImGui::RadioButton("Flawed Theory (Legacy)", &palette_select, PALETTE_SELECT_OLD);
ImGui::EndMenu();
if (ImGui::RadioButton("Unscaled Capture", &palette_select, PALETTE_SELECT_CAPTURE) ||
ImGui::RadioButton("Full Contrast", &palette_select, PALETTE_SELECT_SCALED) ||
ImGui::RadioButton("Cheap HDMI converter", &palette_select, PALETTE_SELECT_HDMI) ||
ImGui::RadioButton("Flawed Theory (Legacy)", &palette_select, PALETTE_SELECT_OLD)) {
redrawVramGramSurfaces();
}
ImGui::EndMenu();
}
ImGui::EndMenu();
}
Expand Down