dglsl.gspl source code

1 
2 module dglsl.gspl;
3 
4 import derelict.opengl3.gl3;
5 
6 import std..string;
7 
8 import dglsl.type;
9 
10 /// glUniform
11 void glUniform(GLint location, GLfloat v0) {
12 	glUniform1f(location, v0);
13 }
14 
15 void glUniform(GLint location, GLfloat v0, GLfloat v1) {
16 	glUniform2f(location, v0, v1);
17 }
18 
19 void glUniform(GLint location, GLfloat v0, GLfloat v1, GLfloat v2) {
20 	glUniform3f(location, v0, v1, v2);
21 }
22 
23 void glUniform(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) {
24 	glUniform4f(location, v0, v1, v2, v3);
25 }
26 
27 void glUniform(GLint location, GLint v0) {
28 	glUniform1i(location, v0);
29 }
30 
31 void glUniform(GLint location, GLint v0, GLint v1) {
32 	glUniform2i(location, v0, v1);
33 }
34 
35 void glUniform(GLint location, GLint v0, GLint v1, GLint v2) {
36 	glUniform3i(location, v0, v1, v2);
37 }
38 
39 void glUniform(GLint location, GLint v0, GLint v1, GLint v2, GLint v3) {
40 	glUniform4i(location, v0, v1, v2, v3);
41 }
42 
43 void glUniform1v(GLint location, GLsizei count, const GLfloat[] value) {
44 	glUniform1fv(location, count, value.ptr);
45 }
46 
47 void glUniform2v(GLint location, GLsizei count, const GLfloat[] value) {
48 	glUniform2fv(location, count, value.ptr);
49 }
50 
51 void glUniform3v(GLint location, GLsizei count, const GLfloat[] value) {
52 	glUniform3fv(location, count, value.ptr);
53 }
54 
55 void glUniform4v(GLint location, GLsizei count, const GLfloat[] value) {
56 	glUniform4fv(location, count, value.ptr);
57 }
58 
59 void glUniform1v(GLint location, GLsizei count, const GLint[] value) {
60 	glUniform1iv(location, count, value.ptr);
61 }
62 
63 void glUniform2v(GLint location, GLsizei count, const GLint[] value) {
64 	glUniform2iv(location, count, value.ptr);
65 }
66 
67 void glUniform3v(GLint location, GLsizei count, const GLint[] value) {
68 	glUniform3iv(location, count, value.ptr);
69 }
70 
71 void glUniform4v(GLint location, GLsizei count, const GLint[] value) {
72 	glUniform4iv(location, count, value.ptr);
73 }
74 
75 void glUniformMatrix(GLint location, GLboolean transpose, const GLfloat[4] value) {
76 	glUniformMatrix2fv(location, 1, transpose, value.ptr);
77 }
78 
79 void glUniformMatrix(GLint location, GLboolean transpose, const GLfloat[9] value) {
80 	glUniformMatrix3fv(location, 1, transpose, value.ptr);
81 }
82 
83 void glUniformMatrix(GLint location, GLboolean transpose, const GLfloat[16] value) {
84 	glUniformMatrix4fv(location, 1, transpose, value.ptr);
85 }
86 
87 void glUniform(int dim)(GLint location, Vector!(float, dim) v) {
88 	mixin(`glUniform%dfv(location, 1, v.value_ptr);`.format(dim));
89 }
90 
91 void glUniform(int dim)(GLint location, Matrix!(float, dim, dim) m, GLboolean transpose = false) {
92 	mixin(`glUniformMatrix%dfv(location, 1, transpose, m.value_ptr);`.format(dim));
93 }
94 
95 void glUniform(int column, int row)(GLint location, Matrix!(float, column, row) m, GLboolean transpose = false) if (column != row) {
96 	import std..string;
97 	mixin(`glUniformMatrix%dx%dfv(location, 1, transpose, m.value_ptr);`.format(column, row));
98 }
99 
100 
101 enum GLErrorCode {
102 	noError = GL_NO_ERROR,
103 	invalidEnum = GL_INVALID_ENUM,
104 	invalidValue = GL_INVALID_VALUE,
105 	invalidOperation = GL_INVALID_OPERATION,
106 	invalidFramebufferOperation = GL_INVALID_FRAMEBUFFER_OPERATION,
107 	outOfMemory = GL_OUT_OF_MEMORY,
108 }
109 
110 
111 // glGetError
112 void glCheckError(string file = __FILE__, int line = __LINE__) {
113 	debug final switch (cast(GLErrorCode)(glGetError())) {
114 		case GLErrorCode.noError:
115 			break;
116 		case GLErrorCode.invalidEnum:
117 			throw new Exception("Invalid enum error: An unacceptable value is specified for an enumerated argument.", file, line);
118 		case GLErrorCode.invalidValue:
119 			throw new Exception("Invalid value error: A numeric argument is out of range.", file, line);
120 		case GLErrorCode.invalidOperation:
121 			throw new Exception("Invalid operation error: The specified operation is not allowed in the current state.", file, line);
122 		case GLErrorCode.invalidFramebufferOperation:
123 			throw new Exception("Invalid framebuffer operation error: The framebuffer object is not complete.", file, line);
124 		case GLErrorCode.outOfMemory:
125 			throw new Exception("Out of memory error: There is not enough memory left to execute the command.", file, line);
126 	}
127 }
128 
129 
130 // opengl device information
131 void glShowInfo() {
132 	import std.stdio;
133 	import std.conv;
134 	GLint i;
135 	
136 	writefln("Version: %s", glGetString(GL_VERSION).to!string);
137 	writefln("Vendor: %s", glGetString(GL_VENDOR).to!string);
138 	writefln("Renderer: %s", glGetString(GL_RENDERER).to!string);
139 	writefln("GLSL Version: %s", glGetString(GL_SHADING_LANGUAGE_VERSION).to!string);
140 
141 	glGetIntegerv(GL_MAX_TEXTURE_SIZE, &i);
142 	writefln("Max texture size (RGBA32): %d * %d", i / 4, i / 4);
143 
144 	stdout.flush();
145 }