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correctly build shaders if the optimizer is not present

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This commit is contained in:
Konstantin Käfer
2014-04-11 16:23:06 -04:00
parent 669b342332
commit 8c9f980271
1 changed files with 14 additions and 13 deletions
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27
bin/build-shaders.js
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@@ -26,24 +26,25 @@ module.exports = function(shader_type, prefix, suffix) {
}
}
var preamble = '';
if (shader_type == 'gles2' || shader_type == 'gles3') {
preamble = 'precision highp float;';
} else {
preamble = '#version 120';
}
for (var name in shaders) {
shaders[name].vertex = preamble + '\n' + shaders[name].vertex;
shaders[name].fragment = preamble + '\n' + shaders[name].fragment;
}
// Optimize shader
if (glsl) {
var preamble = '';
var target = glsl.TARGET_OPENGL;
if (shader_type == 'gles2') {
target = glsl.TARGET_OPENGLES20;
preamble = 'precision highp float;';
} else if (shader_type == 'gles3') {
target = glsl.TARGET_OPENGLES30;
preamble = 'precision highp float;';
} else {
preamble = '#version 120';
}
var target = shader_type == 'gles2' ? glsl.TARGET_OPENGLES20 : (shader_type == 'gles3' ? glsl.TARGET_OPENGLES30 : glsl.TARGET_OPENGL);
var compiler = new glsl.Compiler(target);
for (name in shaders) {
var vertex_shader = new glsl.Shader(compiler, glsl.VERTEX_SHADER, preamble + '\n' + shaders[name].vertex);
var vertex_shader = new glsl.Shader(compiler, glsl.VERTEX_SHADER, shaders[name].vertex);
if (vertex_shader.compiled()) {
shaders[name].vertex = vertex_shader.output();
} else {
@@ -52,7 +53,7 @@ module.exports = function(shader_type, prefix, suffix) {
}
vertex_shader.dispose();
var fragment_shader = new glsl.Shader(compiler, glsl.FRAGMENT_SHADER, preamble + '\n' + shaders[name].fragment);
var fragment_shader = new glsl.Shader(compiler, glsl.FRAGMENT_SHADER, shaders[name].fragment);
if (fragment_shader.compiled()) {
shaders[name].fragment = fragment_shader.output();
} else {