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Change palette size to PoT square

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This commit is contained in:
Michał Janiszewski
2020-09-04 13:40:08 +02:00
committed by Aaron van Geffen
parent 782fab93b4
commit 16b3a96e66
1 changed files with 6 additions and 4 deletions
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10
src/openrct2-ui/drawing/engines/opengl/TextureCache.cpp
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@@ -170,10 +170,13 @@ void TextureCache::CreateTextures()
void TextureCache::GeneratePaletteTexture()
{
rct_drawpixelinfo dpi = CreateDPI(256, PALETTE_TO_G1_OFFSET_COUNT + 5);
static_assert(PALETTE_TO_G1_OFFSET_COUNT + 5 < 256, "Height of palette too large!");
constexpr int32_t height = 256;
constexpr int32_t width = height;
rct_drawpixelinfo dpi = CreateDPI(width, height);
// Init no-op palette
for (int i = 0; i < 256; ++i)
for (int i = 0; i < width; ++i)
{
dpi.bits[i] = i;
}
@@ -191,8 +194,7 @@ void TextureCache::GeneratePaletteTexture()
}
glBindTexture(GL_TEXTURE_RECTANGLE, _paletteTexture);
glTexImage2D(
GL_TEXTURE_RECTANGLE, 0, GL_R8UI, 256, PALETTE_TO_G1_OFFSET_COUNT + 5, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, dpi.bits);
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_R8UI, width, height, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, dpi.bits);
DeleteDPI(dpi);
}