Merge pull request #389 from Gusgo99/fix_update_sprite_function

OneLoneCoder · web-flow · commit f0f275c2972b · 2025-09-07T16:41:19.000+01:00
Fix Decal::UpdateSprite function
diff --git a/olcPixelGameEngine.h b/olcPixelGameEngine.h
@@ -5679,7 +5679,7 @@ namespace olc
 
 		void ReadTexture(uint32_t id, olc::Sprite* spr) override
 		{
-			glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
+			glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
 		}
 
 		void ApplyTexture(uint32_t id) override
@@ -6269,7 +6269,7 @@ namespace olc
 
 		void ReadTexture(uint32_t id, olc::Sprite* spr) override
 		{
-			glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
+			glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
 		}
 
 		void ApplyTexture(uint32_t id) override

Original file line number	Diff line number	Diff line change
`@@ -5679,7 +5679,7 @@ namespace olc`
`5679`	`5679`
`5680`	`5680`	`void ReadTexture(uint32_t id, olc::Sprite* spr) override`
`5681`	`5681`	`{`
`5682`		`- glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());`
	`5682`	`+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());`
`5683`	`5683`	`}`
`5684`	`5684`
`5685`	`5685`	`void ApplyTexture(uint32_t id) override`
`@@ -6269,7 +6269,7 @@ namespace olc`
`6269`	`6269`
`6270`	`6270`	`void ReadTexture(uint32_t id, olc::Sprite* spr) override`
`6271`	`6271`	`{`
`6272`		`- glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());`
	`6272`	`+ glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());`
`6273`	`6273`	`}`
`6274`	`6274`
`6275`	`6275`	`void ApplyTexture(uint32_t id) override`