Changeset 5936c58 in opengl-game

Timestamp:

Aug 16, 2019, 3:56:46 PM (5 years ago)

Author:

Dmitry Portnoy <dmitry.portnoy@…>

Branches:

feature/imgui-sdl, master, points-test

Children:

9cd92ae

Parents:

e1a7f5a

Message:

Allow parts of the UI overlay to be transpare, so that the 3D scene is visible behind it

Files:

• shaders/shader.frag (modified) (1 diff)
• vulkan-game.cpp (modified) (3 diffs)

shaders/shader.frag

@@ -13 +13 @@
 void main() {
    if (isOverlay == 1) {
-      outColor = vec4(fragColor * texture(uiTexSampler, fragTexCoord).rgb, 1.0);
+      outColor = texture(uiTexSampler, fragTexCoord);
    } else {
       outColor = vec4(fragColor * texture(texSampler, fragTexCoord).rgb, 1.0);

vulkan-game.cpp

@@ -1725 +1725 @@
          SDL_SetRenderTarget(gRenderer, uiOverlay);
 
-         SDL_SetRenderDrawColor(gRenderer, 0x00, 0x9F, 0x9F, 0xFF);
+         SDL_SetRenderDrawColor(gRenderer, 0x00, 0x00, 0x00, 0x00);
          SDL_RenderClear(gRenderer);
 
@@ -1731 +1731 @@
 
          rect = {280, 220, 100, 100};
-         SDL_SetRenderDrawColor(gRenderer, 0xFF, 0x00, 0x00, 0xFF);
+         SDL_SetRenderDrawColor(gRenderer, 0x00, 0xFF, 0x00, 0xFF);
          SDL_RenderFillRect(gRenderer, &rect);
          SDL_SetRenderDrawColor(gRenderer, 0x00, 0x9F, 0x9F, 0xFF);
@@ -1743 +1743 @@
          SDL_RenderCopy(gRenderer, uiImage, nullptr, &rect);
 
-         SDL_SetRenderDrawColor(gRenderer, 0xFF, 0x00, 0x00, 0xFF);
+         SDL_SetRenderDrawColor(gRenderer, 0x00, 0x00, 0xFF, 0xFF);
          SDL_RenderDrawLine(gRenderer, 50, 5, 150, 500);