From 716e26aa37e352f0188824bc2de7dd3035f7413c Mon Sep 17 00:00:00 2001 From: Ray Date: Wed, 23 Jun 2021 01:25:09 +0200 Subject: Review BeginTextureMode() usage Moved outside BeginDrawing()/EndDrawing() to illustrate drawing is happening to an external texture (not screen) --- examples/shaders/shaders_postprocessing.c | 34 ++++++++++--------------------- 1 file changed, 11 insertions(+), 23 deletions(-) (limited to 'examples/shaders/shaders_postprocessing.c') diff --git a/examples/shaders/shaders_postprocessing.c b/examples/shaders/shaders_postprocessing.c index ef815391..ebe5fcdb 100644 --- a/examples/shaders/shaders_postprocessing.c +++ b/examples/shaders/shaders_postprocessing.c @@ -124,50 +124,38 @@ int main(void) // Draw //---------------------------------------------------------------------------------- + BeginTextureMode(target); // Enable drawing to texture + ClearBackground(RAYWHITE); // Clear texture background + + BeginMode3D(camera); // Begin 3d mode drawing + DrawModel(model, position, 0.1f, WHITE); // Draw 3d model with texture + DrawGrid(10, 1.0f); // Draw a grid + EndMode3D(); // End 3d mode drawing, returns to orthographic 2d mode + EndTextureMode(); // End drawing to texture (now we have a texture available for next passes) + BeginDrawing(); + ClearBackground(RAYWHITE); // Clear screen background - ClearBackground(RAYWHITE); - - BeginTextureMode(target); // Enable drawing to texture - - ClearBackground(RAYWHITE); // Clear texture background - - BeginMode3D(camera); // Begin 3d mode drawing - - DrawModel(model, position, 0.1f, WHITE); // Draw 3d model with texture - - DrawGrid(10, 1.0f); // Draw a grid - - EndMode3D(); // End 3d mode drawing, returns to orthographic 2d mode - - EndTextureMode(); // End drawing to texture (now we have a texture available for next passes) - - // Render previously generated texture using selected postpro shader + // Render generated texture using selected postprocessing shader BeginShaderMode(shaders[currentShader]); - // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom) DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)target.texture.width, (float)-target.texture.height }, (Vector2){ 0, 0 }, WHITE); - EndShaderMode(); // Draw 2d shapes and text over drawn texture DrawRectangle(0, 9, 580, 30, Fade(LIGHTGRAY, 0.7f)); DrawText("(c) Church 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY); - DrawText("CURRENT POSTPRO SHADER:", 10, 15, 20, BLACK); DrawText(postproShaderText[currentShader], 330, 15, 20, RED); DrawText("< >", 540, 10, 30, DARKBLUE); - DrawFPS(700, 15); - EndDrawing(); //---------------------------------------------------------------------------------- } // De-Initialization //-------------------------------------------------------------------------------------- - // Unload all postpro shaders for (int i = 0; i < MAX_POSTPRO_SHADERS; i++) UnloadShader(shaders[i]); -- cgit v1.2.3