void geGraphicsInit(){
gePrintDebug(0x100, "geGraphicsInit 1\n");
LibGE_VideoContext* ctx = (LibGE_VideoContext*)geMalloc(sizeof(LibGE_VideoContext));
libge_context->vidcontext = (unsigned long)ctx;
libge_context->gpumem += 2 * libge_context->width * libge_context->height * sizeof(u32);
gePrintDebug(0x100, "geGraphicsInit 2\n");
ctx->shader2d = geCreateShader();
geShaderLoadVertexSource(ctx->shader2d, geFileFromBuffer(_ge_shader_gles2_generic_2d_vert, sizeof(_ge_shader_gles2_generic_2d_vert)+1));
geShaderLoadFragmentSource(ctx->shader2d, geFileFromBuffer(_ge_shader_gles2_generic_2d_frag, sizeof(_ge_shader_gles2_generic_2d_frag)+1));
ctx->loc_textured = geShaderUniformID(ctx->shader2d, "textured");
gePrintDebug(0x100, "geGraphicsInit 4\n");
glUseProgram(ctx->shader2d->programId);
gePrintDebug(0x100, "geGraphicsInit 5\n");
glActiveTexture(GL_TEXTURE0);
glUniform1i(glGetUniformLocation(ctx->shader2d->programId, "ge_Texture"), 0);
gePrintDebug(0x100, "geGraphicsInit 8\n");
glUseProgram(0);
glViewport(0, 0, libge_context->width, libge_context->height);
gePrintDebug(0x100, "geGraphicsInit 9\n");
glEnable(GL_CULL_FACE);
glFrontFace(GL_CW);
glCullFace(GL_FRONT);
gePrintDebug(0x100, "geGraphicsInit 10\n");
glScissor(0, 0, libge_context->width, libge_context->height);
glEnable(GL_SCISSOR_TEST);
gePrintDebug(0x100, "geGraphicsInit 11\n");
//libge_context->fontbuf = geCreateSurface(libge_context->width, libge_context->height, 0x00000000);
}
ge_Particles* geCreateParticles(float x, float y, float z, float radius, float velocity, float life_time, int nParticles, ge_Image* texture){
ge_Particles* particles = (ge_Particles*)geMalloc(sizeof(ge_Particles));
particles->loop_mode = true;
particles->origin.x = x;
particles->origin.y = y;
particles->origin.z = z;
particles->radius = radius;
particles->direction.x = 0.0;
particles->direction.y = 1.0;
particles->direction.z = 0.0;
particles->velocity = velocity;
particles->life_time = life_time / (velocity==0.0?1.0:velocity);
particles->nParticles = nParticles;
particles->size.x = 1.0;
particles->size.y = 1.0;
particles->texture = texture;
particles->nParticles = nParticles;
particles->particles = (ge_Particle*)geMalloc(sizeof(ge_Particle)*particles->nParticles);
geParticlesLifeSeed(particles, 10.0);
particles->shader = geCreateShader();
geShaderLoadVertexSource(particles->shader, "default_shaders/particles.vert");
geShaderLoadFragmentSource(particles->shader, "default_shaders/particles.frag");
particles->render = geCreateRenderer(particles->shader);
particles->render->blend_enabled = true;
particles->render->depth_mask = false;
ge_Object* obj = (ge_Object*)geMalloc(sizeof(ge_Object));
particles->render->objs = (ge_Object**)geMalloc(sizeof(ge_Object*));
particles->render->objs[0] = obj;
particles->render->nObjs = 1;
particles->render->nVerts = 6;
obj->nVerts = 6;
obj->verts = _ge_particles_vertices;
particles->loc_size = geShaderUniformID(particles->render->shader, "size");
particles->loc_pos = geShaderUniformID(particles->render->shader, "pos");
particles->loc_rpos = geShaderUniformID(particles->render->shader, "rpos");
particles->loc_life = geShaderUniformID(particles->render->shader, "life");
particles->loc_textured = geShaderUniformID(particles->render->shader, "textured");
particles->render->verts = _ge_particles_vertices;
geRendererCreateContext(NULL, particles->render);
particles->ut = ((float)geGetTick())/1000.0;
particles->dt = ((float)geGetTick())/1000.0;
return particles;
}
void geGraphicsInit(){
LibGE_VideoContext* ctx = (LibGE_VideoContext*)libge_context->vidcontext;
if(!ctx){
ctx = (LibGE_VideoContext*)geMalloc(sizeof(LibGE_VideoContext));
libge_context->vidcontext = (t_ptr)ctx;
libge_context->gpumem += 2 * libge_context->width * libge_context->height * sizeof(u32);
}
if(!ctx->shader2d){
gePrintDebug(0x100, "No 2D shader, loading it..\n");
ctx->shader2d = geCreateShader();
geShaderLoadVertexSource(ctx->shader2d, geFileFromBuffer(_ge_shader_ogl3_generic_2d_vert, sizeof(_ge_shader_ogl3_generic_2d_vert)+1));
geShaderLoadFragmentSource(ctx->shader2d, geFileFromBuffer(_ge_shader_ogl3_generic_2d_frag, sizeof(_ge_shader_ogl3_generic_2d_frag)+1));
ctx->loc_textured = geShaderUniformID(ctx->shader2d, "textured");
geShaderUse(ctx->shader2d);
glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D);
glUniform1i(glGetUniformLocation(ctx->shader2d->programId, "ge_Texture"), 0);
}
libge_context->blend_src = GE_DEFAULT;
libge_context->blend_dst = GE_DEFAULT;
glViewport(0, 0, libge_context->width, libge_context->height);
glEnable(GL_CULL_FACE);
glFrontFace(GL_CW);
glCullFace(GL_FRONT);
glScissor(0, 0, libge_context->width, libge_context->height);
glEnable(GL_SCISSOR_TEST);
if(libge_context->fontbuf){
geFreeImage(libge_context->fontbuf);
libge_context->fontbuf = NULL;
}
libge_context->fontbuf = geCreateSurface(libge_context->width, libge_context->height, 0x00000000);
}