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Diffstat (limited to 'src/shader.c')
| -rw-r--r-- | src/shader.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/shader.c b/src/shader.c index 478c93b..0b4091d 100644 --- a/src/shader.c +++ b/src/shader.c @@ -24,9 +24,33 @@ bool shader_init(Shader *shader) GL_CALL(glValidateProgram(shader->id)); GL_CALL(glDeleteShader(shader_vert)); GL_CALL(glDeleteShader(shader_frag)); + + GL_CALL(shader->location.width = glGetUniformLocation(shader->id, "u_width")); + GL_CALL(shader->location.height = glGetUniformLocation(shader->id, "u_height")); + + GL_CALL(shader->location.real_start = glGetUniformLocation(shader->id, "u_real_start")); + GL_CALL(shader->location.real_end = glGetUniformLocation(shader->id, "u_real_end")); + GL_CALL(shader->location.imag_start = glGetUniformLocation(shader->id, "u_imag_start")); + GL_CALL(shader->location.imag_end = glGetUniformLocation(shader->id, "u_imag_end")); + + GL_CALL(shader->location.iterations = glGetUniformLocation(shader->id, "u_iterations")); + return (true); } +void shader_set_uniforms(Shader *shader, State *state) +{ + GL_CALL(glUniform1i(shader->location.width, state->width)); + GL_CALL(glUniform1i(shader->location.height, state->height)); + + GL_CALL(glUniform1f(shader->location.real_start, state->real_start)); + GL_CALL(glUniform1f(shader->location.real_end, state->real_end)); + GL_CALL(glUniform1f(shader->location.imag_start, state->imag_start)); + GL_CALL(glUniform1f(shader->location.imag_end, state->imag_end)); + + GL_CALL(glUniform1i(shader->location.iterations, state->iterations)); +} + static unsigned int st_compile(char *filepath, unsigned int type) { unsigned int id; |