X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect.cpp;h=fb66514a290d1cb780c6a87b2fae4b97a8d9627f;hp=f89b1a99c8c2350d8d5a82ddde26d701c5d373e2;hb=refs%2Ftags%2F1.1.1;hpb=e61807327b9a1f98f39dd5e1496254905f78e581

diff --git a/effect.cpp b/effect.cpp
index f89b1a9..fb66514 100644
--- a/effect.cpp
+++ b/effect.cpp
@@ -1,8 +1,17 @@
-#include <string.h>
+#include <epoxy/gl.h>
 #include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <utility>
+
 #include "effect.h"
+#include "effect_util.h"
+
+using namespace std;
+
+namespace movit {
 
-bool Effect::set_int(const std::string &key, int value)
+bool Effect::set_int(const string &key, int value)
 {
 	if (params_int.count(key) == 0) {
 		return false;
@@ -11,7 +20,7 @@ bool Effect::set_int(const std::string &key, int value)
 	return true;
 }
 
-bool Effect::set_float(const std::string &key, float value)
+bool Effect::set_float(const string &key, float value)
 {
 	if (params_float.count(key) == 0) {
 		return false;
@@ -20,7 +29,16 @@ bool Effect::set_float(const std::string &key, float value)
 	return true;
 }
 
-bool Effect::set_vec3(const std::string &key, const float *values)
+bool Effect::set_vec2(const string &key, const float *values)
+{
+	if (params_vec2.count(key) == 0) {
+		return false;
+	}
+	memcpy(params_vec2[key], values, sizeof(float) * 2);
+	return true;
+}
+
+bool Effect::set_vec3(const string &key, const float *values)
 {
 	if (params_vec3.count(key) == 0) {
 		return false;
@@ -29,21 +47,105 @@ bool Effect::set_vec3(const std::string &key, const float *values)
 	return true;
 }
 
-void Effect::register_int(const std::string &key, int *value)
+bool Effect::set_vec4(const string &key, const float *values)
+{
+	if (params_vec4.count(key) == 0) {
+		return false;
+	}
+	memcpy(params_vec4[key], values, sizeof(float) * 4);
+	return true;
+}
+
+void Effect::register_int(const string &key, int *value)
 {
 	assert(params_int.count(key) == 0);
 	params_int[key] = value;
 }
 
-void Effect::register_float(const std::string &key, float *value)
+void Effect::register_float(const string &key, float *value)
 {
 	assert(params_float.count(key) == 0);
 	params_float[key] = value;
 }
 
-void Effect::register_vec3(const std::string &key, float *values)
+void Effect::register_vec2(const string &key, float *values)
+{
+	assert(params_vec2.count(key) == 0);
+	params_vec2[key] = values;
+}
+
+void Effect::register_vec3(const string &key, float *values)
 {
 	assert(params_vec3.count(key) == 0);
 	params_vec3[key] = values;
 }
 
+void Effect::register_vec4(const string &key, float *values)
+{
+	assert(params_vec4.count(key) == 0);
+	params_vec4[key] = values;
+}
+
+// Output convenience uniforms for each parameter.
+// These will be filled in per-frame.
+string Effect::output_convenience_uniforms() const
+{
+	string output = "";
+	for (map<string, float*>::const_iterator it = params_float.begin();
+	     it != params_float.end();
+	     ++it) {
+		char buf[256];
+		sprintf(buf, "uniform float PREFIX(%s);\n", it->first.c_str());
+		output.append(buf);
+	}
+	for (map<string, float*>::const_iterator it = params_vec2.begin();
+	     it != params_vec2.end();
+	     ++it) {
+		char buf[256];
+		sprintf(buf, "uniform vec2 PREFIX(%s);\n", it->first.c_str());
+		output.append(buf);
+	}
+	for (map<string, float*>::const_iterator it = params_vec3.begin();
+	     it != params_vec3.end();
+	     ++it) {
+		char buf[256];
+		sprintf(buf, "uniform vec3 PREFIX(%s);\n", it->first.c_str());
+		output.append(buf);
+	}
+	for (map<string, float*>::const_iterator it = params_vec4.begin();
+	     it != params_vec4.end();
+	     ++it) {
+		char buf[256];
+		sprintf(buf, "uniform vec4 PREFIX(%s);\n", it->first.c_str());
+		output.append(buf);
+	}
+	return output;
+}
+
+void Effect::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num)
+{
+	for (map<string, float*>::const_iterator it = params_float.begin();
+	     it != params_float.end();
+	     ++it) {
+		set_uniform_float(glsl_program_num, prefix, it->first, *it->second);
+	}
+	for (map<string, float*>::const_iterator it = params_vec2.begin();
+	     it != params_vec2.end();
+	     ++it) {
+		set_uniform_vec2(glsl_program_num, prefix, it->first, it->second);
+	}
+	for (map<string, float*>::const_iterator it = params_vec3.begin();
+	     it != params_vec3.end();
+	     ++it) {
+		set_uniform_vec3(glsl_program_num, prefix, it->first, it->second);
+	}
+	for (map<string, float*>::const_iterator it = params_vec4.begin();
+	     it != params_vec4.end();
+	     ++it) {
+		set_uniform_vec4(glsl_program_num, prefix, it->first, it->second);
+	}
+}
+
+void Effect::clear_gl_state() {}
+
+}  // namespace movit