[rlgl] [rshapes] [rtextures] Fixes for disabled SUPPORT_QUADS_DRAW_MODE

src/rlgl.h

@@ -1428,6 +1428,7 @@ void rlBegin(int mode)
     // NOTE: In all three cases, vertex are accumulated over default internal vertex buffer
     if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode != mode)
     {
+        int currentTexture = RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId;
         if (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount > 0)
         {
             // Make sure current RLGL.currentBatch->draws[i].vertexCount is aligned a multiple of 4,
@@ -1450,7 +1451,7 @@ void rlBegin(int mode)
 
         RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode = mode;
         RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount = 0;
-        RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId = RLGL.State.defaultTextureId;
+        RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId = currentTexture;
     }
 }
 

src/rshapes.c

@@ -718,10 +718,10 @@ void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color
         bottomRight.y = y + (dx + rec.width)*sinRotation + (dy + rec.height)*cosRotation;
     }
 
-#if defined(SUPPORT_QUADS_DRAW_MODE)
     rlSetTexture(GetShapesTexture().id);
     Rectangle shapeRect = GetShapesTextureRectangle();
 
+#if defined(SUPPORT_QUADS_DRAW_MODE)
     rlBegin(RL_QUADS);
 
         rlNormal3f(0.0f, 0.0f, 1.0f);
@@ -740,23 +740,34 @@ void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color
         rlVertex2f(topRight.x, topRight.y);
 
     rlEnd();
-
-    rlSetTexture(0);
 #else
     rlBegin(RL_TRIANGLES);
 
+        rlNormal3f(0.0f, 0.0f, 1.0f);
         rlColor4ub(color.r, color.g, color.b, color.a);
 
+        rlTexCoord2f(shapeRect.x/texShapes.width, shapeRect.y/texShapes.height);
         rlVertex2f(topLeft.x, topLeft.y);
+
+        rlTexCoord2f(shapeRect.x/texShapes.width, (shapeRect.y + shapeRect.height)/texShapes.height);
         rlVertex2f(bottomLeft.x, bottomLeft.y);
+
+        rlTexCoord2f((shapeRect.x + shapeRect.width)/texShapes.width, shapeRect.y/texShapes.height);
         rlVertex2f(topRight.x, topRight.y);
 
+        rlTexCoord2f((shapeRect.x + shapeRect.width)/texShapes.width, shapeRect.y/texShapes.height);
         rlVertex2f(topRight.x, topRight.y);
+
+        rlTexCoord2f(shapeRect.x/texShapes.width, (shapeRect.y + shapeRect.height)/texShapes.height);
         rlVertex2f(bottomLeft.x, bottomLeft.y);
+
+        rlTexCoord2f((shapeRect.x + shapeRect.width)/texShapes.width, (shapeRect.y + shapeRect.height)/texShapes.height);
         rlVertex2f(bottomRight.x, bottomRight.y);
 
     rlEnd();
 #endif
+
+    rlSetTexture(0);
 }
 
 // Draw a vertical-gradient-filled rectangle

src/rtextures.c

@@ -4604,6 +4604,7 @@ void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2
         }
 
         rlSetTexture(texture.id);
+#if defined(SUPPORT_QUADS_DRAW_MODE)
         rlBegin(RL_QUADS);
 
             rlColor4ub(tint.r, tint.g, tint.b, tint.a);
@@ -4630,15 +4631,13 @@ void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2
             rlVertex2f(topRight.x, topRight.y);
 
         rlEnd();
-        rlSetTexture(0);
 
         // NOTE: Vertex position can be transformed using matrices
         // but the process is way more costly than just calculating
         // the vertex positions manually, like done above
         // I leave here the old implementation for educational purposes,
         // just in case someone wants to do some performance test
         /*
-        rlSetTexture(texture.id);
         rlPushMatrix();
             rlTranslatef(dest.x, dest.y, 0.0f);
             if (rotation != 0.0f) rlRotatef(rotation, 0.0f, 0.0f, 1.0f);
@@ -4669,8 +4668,47 @@ void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2
                 rlVertex2f(dest.width, 0.0f);
             rlEnd();
         rlPopMatrix();
-        rlSetTexture(0);
         */
+
+#else
+        rlBegin(RL_TRIANGLES);
+
+            rlColor4ub(tint.r, tint.g, tint.b, tint.a);
+            rlNormal3f(0.0f, 0.0f, 1.0f);                          // Normal vector pointing towards viewer
+
+            // Top-left corner for texture
+            if (flipX) rlTexCoord2f((source.x + source.width)/width, source.y/height);
+            else rlTexCoord2f(source.x/width, source.y/height);
+            rlVertex2f(topLeft.x, topLeft.y);
+
+            // Bottom-left corner for texture
+            if (flipX) rlTexCoord2f((source.x + source.width)/width, (source.y + source.height)/height);
+            else rlTexCoord2f(source.x/width, (source.y + source.height)/height);
+            rlVertex2f(bottomLeft.x, bottomLeft.y);
+
+            // Bottom-right corner for texture
+            if (flipX) rlTexCoord2f(source.x/width, (source.y + source.height)/height);
+            else rlTexCoord2f((source.x + source.width)/width, (source.y + source.height)/height);
+            rlVertex2f(bottomRight.x, bottomRight.y);
+
+            // Top-left corner for texture
+            if (flipX) rlTexCoord2f((source.x + source.width)/width, source.y/height);
+            else rlTexCoord2f(source.x/width, source.y/height);
+            rlVertex2f(topLeft.x, topLeft.y);
+
+            // Bottom-right corner for texture
+            if (flipX) rlTexCoord2f(source.x/width, (source.y + source.height)/height);
+            else rlTexCoord2f((source.x + source.width)/width, (source.y + source.height)/height);
+            rlVertex2f(bottomRight.x, bottomRight.y);
+
+            // Top-right corner for texture
+            if (flipX) rlTexCoord2f(source.x/width, source.y/height);
+            else rlTexCoord2f((source.x + source.width)/width, source.y/height);
+            rlVertex2f(topRight.x, topRight.y);
+
+        rlEnd();
+#endif
+        rlSetTexture(0);
     }
 }