void prepare_shader(void)
{
// build the shader program
vert = shader_load(GL_VERTEX_SHADER, "data/render.vert");
frag = shader_load(GL_FRAGMENT_SHADER, "data/render.frag");
prog = glCreateProgram();
glAttachShader(prog, vert);
glAttachShader(prog, frag);
glLinkProgram(prog);
GLint param;
glGetProgramiv(prog, GL_LINK_STATUS, ¶m);
printf("*** Shader linking %s.\n",
param == GL_FALSE ? "went as expected" : "worked");
printProgramInfoLog(prog);
// prepare uniforms etc for the shader
s_angle = glGetUniformLocation(prog, "angle");
s_pos = glGetUniformLocation(prog, "position");
s_pixelarc = glGetUniformLocation(prog, "pixel_arc");
s_fovdepth = glGetUniformLocation(prog, "fovdepth");
s_bPool = glGetUniformLocation(prog, "bPool");
s_nPool = glGetUniformLocation(prog, "nPool");
// s_now = glGetUniformLocation(prog, "now");
// glUniform1i(s_now, now);
glUniformui64NV(s_nPool, nodepool_devptr);
// glUniform1i(s_bPool, 0);
// glMakeBufferNonResidentNV(GL_ARRAY_BUFFER_ARB);
}
void voxel_draw(void)
{
if(keys[KEY_R])
{
keys[KEY_R] = 0;
printf("Reloading shader.\n");
glDeleteShader(vert);
glDeleteShader(frag);
glDeleteProgram(prog);
prepare_shader();
}
// killme=1;
// float3 pos, normal;
// pos.x = 0.5 + sin(px)*pz;
// pos.y = 0.5;
// pos.z = 0.5 + cos(px)*pz;
// pos.x = px; pos.y = py; pos.z = pz;
// glUseProgram(0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_3D, brick_tex);
glBindBuffer(GL_ARRAY_BUFFER, node_pool);
glUseProgram(prog);
// glUniform1f(s_fovdepth, tan(radians(fov)*0.5)*0.5);
// glUniform1f(s_width, sin(radians(fov)/(float)vid_width));
glUniform3f(s_angle, angle.x, angle.y, angle.z);
glUniform3f(s_pos, pos.x, pos.y, pos.z);
glUniformui64NV(s_nPool, nodepool_devptr);
// glTranslatef(0, ((float)vid_height/(float)vid_width)*0.5-0.5 , 0);
glBegin(GL_QUADS);
glNormal3f(0,0,-1);
// glColor3f(0,0,1);
glTexCoord3f(0,0,0);
glVertex3f(0,0,0);
// glColor3f(1,0,1);
glTexCoord3f(1,0,0);
glVertex3f(1,0,0);
// glColor3f(1,1,1);
glTexCoord3f(1,1,0);
glVertex3f(1,1,0);
// glColor3f(0,1,1);
glTexCoord3f(0,1,0);
glVertex3f(0,1,0);
glEnd();
glUseProgram(0);
now ++;
// everyone in /r/opengl is crying at this point.
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_NVShaderBufferLoad_glUniformui64NV(JNIEnv *__env, jclass clazz, jint location, jlong value) {
glUniformui64NVPROC glUniformui64NV = (glUniformui64NVPROC)tlsGetFunction(2108);
UNUSED_PARAM(clazz)
glUniformui64NV(location, value);
}
