X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect.cpp;h=fb66514a290d1cb780c6a87b2fae4b97a8d9627f;hp=edf100c566c549417f7df158472a6803c3e2da87;hb=95edbfccb0843da3cc105dadc5bc6d8e102f6071;hpb=3915264bd8fde4d550e47c10a67a2741625b9033

diff --git a/effect.cpp b/effect.cpp
index edf100c..fb66514 100644
--- a/effect.cpp
+++ b/effect.cpp
@@ -1,63 +1,17 @@
-#define GL_GLEXT_PROTOTYPES 1
-
+#include <epoxy/gl.h>
+#include <assert.h>
 #include <stdio.h>
 #include <string.h>
-#include <assert.h>
-#include "effect.h"
-#include "util.h"
+#include <utility>
 
-#include <GL/gl.h>
-#include <GL/glext.h>
-
-void set_uniform_int(GLuint glsl_program_num, const std::string &prefix, const std::string &key, int value)
-{
-	std::string name = prefix + "_" + key;
-	GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
-	if (l == -1) {
-		return;
-	}
-	check_error();
-	glUniform1i(l, value);
-	check_error();
-}
+#include "effect.h"
+#include "effect_util.h"
 
-void set_uniform_float(GLuint glsl_program_num, const std::string &prefix, const std::string &key, float value)
-{
-	std::string name = prefix + "_" + key;
-	GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
-	if (l == -1) {
-		return;
-	}
-	check_error();
-	glUniform1f(l, value);
-	check_error();
-}
+using namespace std;
 
-void set_uniform_vec2(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values)
-{
-	std::string name = prefix + "_" + key;
-	GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
-	if (l == -1) {
-		return;
-	}
-	check_error();
-	glUniform2fv(l, 1, values);
-	check_error();
-}
+namespace movit {
 
-void set_uniform_vec3(GLuint glsl_program_num, const std::string &prefix, const std::string &key, const float *values)
-{
-	std::string name = prefix + "_" + key;
-	GLint l = glGetUniformLocation(glsl_program_num, name.c_str());
-	if (l == -1) {
-		return;
-	}
-	check_error();
-	glUniform3fv(l, 1, values);
-	check_error();
-}
-
-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;
@@ -66,7 +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;
@@ -75,7 +29,7 @@ bool Effect::set_float(const std::string &key, float value)
 	return true;
 }
 
-bool Effect::set_vec2(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;
@@ -84,7 +38,7 @@ bool Effect::set_vec2(const std::string &key, const float *values)
 	return true;
 }
 
-bool Effect::set_vec3(const std::string &key, const float *values)
+bool Effect::set_vec3(const string &key, const float *values)
 {
 	if (params_vec3.count(key) == 0) {
 		return false;
@@ -93,126 +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_vec2(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 std::string &key, float *values)
+void Effect::register_vec3(const string &key, float *values)
 {
 	assert(params_vec3.count(key) == 0);
 	params_vec3[key] = values;
 }
 
-void Effect::register_1d_texture(const std::string &key, float *values, size_t size)
-{
-	assert(params_tex_1d.count(key) == 0);
-
-	Texture1D tex;
-	tex.values = values;
-	tex.size = size;
-	tex.needs_update = false;
-	glGenTextures(1, &tex.texture_num);
-
-	glBindTexture(GL_TEXTURE_1D, tex.texture_num);
-	check_error();
-	glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-	check_error();
-	glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-	check_error();
-	glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE16F_ARB, size, 0, GL_LUMINANCE, GL_FLOAT, values);
-	check_error();
-
-	params_tex_1d[key] = tex;
-}
-
-void Effect::invalidate_1d_texture(const std::string &key)
+void Effect::register_vec4(const string &key, float *values)
 {
-	assert(params_tex_1d.count(key) != 0);
-	params_tex_1d[key].needs_update = true;
+	assert(params_vec4.count(key) == 0);
+	params_vec4[key] = values;
 }
 
 // Output convenience uniforms for each parameter.
 // These will be filled in per-frame.
-std::string Effect::output_convenience_uniforms() const
+string Effect::output_convenience_uniforms() const
 {
-	std::string output = "";
-	for (std::map<std::string, float*>::const_iterator it = params_float.begin();
+	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 (std::map<std::string, float*>::const_iterator it = params_vec2.begin();
+	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 (std::map<std::string, float*>::const_iterator it = params_vec3.begin();
+	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 (std::map<std::string, Texture1D>::const_iterator it = params_tex_1d.begin();
-	     it != params_tex_1d.end();
+	for (map<string, float*>::const_iterator it = params_vec4.begin();
+	     it != params_vec4.end();
 	     ++it) {
 		char buf[256];
-		sprintf(buf, "uniform sampler1D PREFIX(%s);\n", it->first.c_str());
+		sprintf(buf, "uniform vec4 PREFIX(%s);\n", it->first.c_str());
 		output.append(buf);
 	}
 	return output;
 }
 
-void Effect::set_uniforms(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num)
+void Effect::set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num)
 {
-	for (std::map<std::string, float*>::const_iterator it = params_float.begin();
+	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 (std::map<std::string, float*>::const_iterator it = params_vec2.begin();
+	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 (std::map<std::string, float*>::const_iterator it = params_vec3.begin();
+	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 (std::map<std::string, Texture1D>::const_iterator it = params_tex_1d.begin();
-	     it != params_tex_1d.end();
+	for (map<string, float*>::const_iterator it = params_vec4.begin();
+	     it != params_vec4.end();
 	     ++it) {
-		glActiveTexture(GL_TEXTURE0 + *sampler_num);
-		check_error();
-		glBindTexture(GL_TEXTURE_1D, it->second.texture_num);
-		check_error();
-
-		if (it->second.needs_update) {
-			glTexImage1D(GL_TEXTURE_1D, 0, GL_LUMINANCE16F_ARB, it->second.size, 0, GL_LUMINANCE, GL_FLOAT, it->second.values);
-			check_error();
-		}
-
-		set_uniform_int(glsl_program_num, prefix, it->first, *sampler_num);
-		++*sampler_num;
+		set_uniform_vec4(glsl_program_num, prefix, it->first, it->second);
 	}
 }
+
+void Effect::clear_gl_state() {}
+
+}  // namespace movit