From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Wed, 3 Oct 2012 12:55:27 +0000 (+0200)
Subject: Support setting vec4 arrays.
X-Git-Tag: 1.0~407
X-Git-Url: https://git.sesse.net/?p=movit;a=commitdiff_plain;h=a0ced951a3ad27223d71caae71eeeb5c62c6ce77

Support setting vec4 arrays.
---

diff --git a/effect.cpp b/effect.cpp
index 4cc1775..8cba87b 100644
--- a/effect.cpp
+++ b/effect.cpp
@@ -69,6 +69,18 @@ void set_uniform_vec3(GLuint glsl_program_num, const std::string &prefix, const
 	check_error();
 }
 
+void set_uniform_vec4_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values)
+{
+	std::string name = prefix + "_" + key;
+	GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
+	if (l == -1) {
+		return;
+	}
+	check_error();
+	glUniform4fv(l, num_values, values);
+	check_error();
+}
+
 bool Effect::set_int(const std::string &key, int value)
 {
 	if (params_int.count(key) == 0) {
diff --git a/effect.h b/effect.h
index 2f0172a..b545f85 100644
--- a/effect.h
+++ b/effect.h
@@ -28,6 +28,7 @@ void set_uniform_float(GLuint glsl_program_num, const std::string &prefix, const
 void set_uniform_float_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values);
 void set_uniform_vec2(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
 void set_uniform_vec3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values);
+void set_uniform_vec4_array(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values, size_t num_values);
 
 class Effect {
 public: