void gs_draw_sprite(texture_t tex, uint32_t flip, uint32_t width,
uint32_t height)
{
graphics_t graphics = thread_graphics;
float fcx, fcy;
struct vb_data *data;
assert(tex);
if (gs_gettexturetype(tex) != GS_TEXTURE_2D) {
blog(LOG_ERROR, "A sprite must be a 2D texture");
return;
}
fcx = width ? (float)width : (float)texture_getwidth(tex);
fcy = height ? (float)height : (float)texture_getheight(tex);
data = vertexbuffer_getdata(graphics->sprite_buffer);
if (texture_isrect(tex))
build_sprite_rect(data, tex, fcx, fcy, flip);
else
build_sprite_norm(data, fcx, fcy, flip);
vertexbuffer_flush(graphics->sprite_buffer, false);
gs_load_vertexbuffer(graphics->sprite_buffer);
gs_load_indexbuffer(NULL);
gs_draw(GS_TRISTRIP, 0, 0);
}
static bool load_texture_sampler(texture_t tex, samplerstate_t ss)
{
bool success = true;
GLint min_filter;
if (tex->cur_sampler == ss)
return true;
if (tex->cur_sampler)
samplerstate_release(tex->cur_sampler);
tex->cur_sampler = ss;
if (!ss)
return true;
samplerstate_addref(ss);
min_filter = ss->min_filter;
if (texture_isrect(tex))
strip_mipmap_filter(&min_filter);
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_MIN_FILTER,
min_filter))
success = false;
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_MAG_FILTER,
ss->mag_filter))
success = false;
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_WRAP_S, ss->address_u))
success = false;
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_WRAP_T, ss->address_v))
success = false;
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_WRAP_R, ss->address_w))
success = false;
if (!gl_tex_param_i(tex->gl_target, GL_TEXTURE_MAX_ANISOTROPY_EXT,
ss->max_anisotropy))
success = false;
apply_swizzle(tex);
return success;
}
