X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain.cpp;h=385a87b9f458bd4ed417de9737f709475d0a214a;hp=30dc3e499a7c334f4d0a8e867e9ebbf2d97dd901;hb=54d47f65e9abac77229636fbaaefea8caf34a4d4;hpb=7d4b25da4c2f125b9357c6f1846a1e94ab60f5dc

diff --git a/effect_chain.cpp b/effect_chain.cpp
index 30dc3e4..385a87b 100644
--- a/effect_chain.cpp
+++ b/effect_chain.cpp
@@ -1699,23 +1699,6 @@ void EffectChain::render_to_fbo(GLuint dest_fbo, unsigned width, unsigned height
 	glDepthMask(GL_FALSE);
 	check_error();
 
-	// Generate a VAO. All the phases should have exactly the same vertex attributes,
-	// so it's safe to reuse this.
-	float vertices[] = {
-		0.0f, 2.0f,
-		0.0f, 0.0f,
-		2.0f, 0.0f
-	};
-
-	GLuint vao;
-	glGenVertexArrays(1, &vao);
-	check_error();
-	glBindVertexArray(vao);
-	check_error();
-
-	GLuint position_vbo = fill_vertex_attribute(phases[0]->glsl_program_num, "position", 2, GL_FLOAT, sizeof(vertices), vertices);
-	GLuint texcoord_vbo = fill_vertex_attribute(phases[0]->glsl_program_num, "texcoord", 2, GL_FLOAT, sizeof(vertices), vertices);  // Same as vertices.
-
 	set<Phase *> generated_mipmaps;
 
 	// We choose the simplest option of having one texture per output,
@@ -1757,12 +1740,6 @@ void EffectChain::render_to_fbo(GLuint dest_fbo, unsigned width, unsigned height
 	glUseProgram(0);
 	check_error();
 
-	cleanup_vertex_attribute(phases[0]->glsl_program_num, "position", position_vbo);
-	cleanup_vertex_attribute(phases[0]->glsl_program_num, "texcoord", texcoord_vbo);
-
-	glDeleteVertexArrays(1, &vao);
-	check_error();
-
 	if (do_phase_timing) {
 		// Get back the timer queries.
 		for (unsigned phase_num = 0; phase_num < phases.size(); ++phase_num) {
@@ -1876,9 +1853,28 @@ void EffectChain::execute_phase(Phase *phase, bool last_phase, map<Phase *, GLui
 	// from there.
 	setup_uniforms(phase);
 
+	// Now draw!
+	float vertices[] = {
+		0.0f, 2.0f,
+		0.0f, 0.0f,
+		2.0f, 0.0f
+	};
+
+	GLuint vao;
+	glGenVertexArrays(1, &vao);
+	check_error();
+	glBindVertexArray(vao);
+	check_error();
+
+	GLuint position_vbo = fill_vertex_attribute(glsl_program_num, "position", 2, GL_FLOAT, sizeof(vertices), vertices);
+	GLuint texcoord_vbo = fill_vertex_attribute(glsl_program_num, "texcoord", 2, GL_FLOAT, sizeof(vertices), vertices);  // Same as vertices.
+
 	glDrawArrays(GL_TRIANGLES, 0, 3);
 	check_error();
 
+	cleanup_vertex_attribute(glsl_program_num, "position", position_vbo);
+	cleanup_vertex_attribute(glsl_program_num, "texcoord", texcoord_vbo);
+	
 	glUseProgram(0);
 	check_error();
 
@@ -1890,6 +1886,9 @@ void EffectChain::execute_phase(Phase *phase, bool last_phase, map<Phase *, GLui
 	if (!last_phase) {
 		resource_pool->release_fbo(fbo);
 	}
+
+	glDeleteVertexArrays(1, &vao);
+	check_error();
 }
 
 void EffectChain::setup_uniforms(Phase *phase)