diff options
Diffstat (limited to 'src/renderer/shader.cpp')
| -rw-r--r-- | src/renderer/shader.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/renderer/shader.cpp b/src/renderer/shader.cpp index 00af17e607..d9614c0ad9 100644 --- a/src/renderer/shader.cpp +++ b/src/renderer/shader.cpp @@ -1,4 +1,5 @@ - #include <llmr/renderer/shader.hpp> +#include <llmr/renderer/shader.hpp> +#include <llmr/platform/gl.hpp> #include <cstdlib> #include <cstdio> @@ -102,7 +103,20 @@ bool Shader::compileShader(GLuint *shader, GLenum type, const GLchar *source) { GLint status; *shader = glCreateShader(type); + +#ifdef EMSCRIPTEN + // Add WebGL GSLSL precision premable + const char *preamble = "precision mediump float;\n\n"; + int preamble_length = strlen(preamble); + int source_length = strlen(source); + char *modified_source = (char *)malloc(preamble_length + source_length); + strncpy(&modified_source[0], preamble, preamble_length); + strncpy(&modified_source[preamble_length], source, source_length); + glShaderSource(*shader, 1, (const GLchar **)(&modified_source), NULL); +#else glShaderSource(*shader, 1, &source, NULL); +#endif + glCompileShader(*shader); #if defined(DEBUG) |