void gs_renderstop(enum gs_draw_mode mode)
{
graphics_t graphics = thread_graphics;
size_t i, num = graphics->verts.num;
if (!num) {
if (!graphics->using_immediate) {
da_free(graphics->verts);
da_free(graphics->norms);
da_free(graphics->colors);
for (i = 0; i < 16; i++)
da_free(graphics->texverts[i]);
vbdata_destroy(graphics->vbd);
}
return;
}
if (graphics->norms.num &&
(graphics->norms.num != graphics->verts.num)) {
blog(LOG_WARNING, "gs_renderstop: normal count does "
"not match vertex count");
num = min_size(num, graphics->norms.num);
}
if (graphics->colors.num &&
(graphics->colors.num != graphics->verts.num)) {
blog(LOG_WARNING, "gs_renderstop: color count does "
"not match vertex count");
num = min_size(num, graphics->colors.num);
}
if (graphics->texverts[0].num &&
(graphics->texverts[0].num != graphics->verts.num)) {
blog(LOG_WARNING, "gs_renderstop: texture vertex count does "
"not match vertex count");
num = min_size(num, graphics->texverts[0].num);
}
if (graphics->using_immediate) {
vertexbuffer_flush(graphics->immediate_vertbuffer, false);
gs_load_vertexbuffer(graphics->immediate_vertbuffer);
gs_load_indexbuffer(NULL);
gs_draw(mode, 0, (uint32_t)num);
reset_immediate_arrays(graphics);
} else {
vertbuffer_t vb = gs_rendersave();
gs_load_vertexbuffer(vb);
gs_load_indexbuffer(NULL);
gs_draw(mode, 0, 0);
vertexbuffer_destroy(vb);
}
graphics->vbd = NULL;
}
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);
}
void draw_uv_vbuffer(gs_vertbuffer_t *vbuf, gs_texture_t *tex,
gs_effect_t *effect, uint32_t num_verts)
{
gs_texture_t *texture = tex;
gs_technique_t *tech = gs_effect_get_technique(effect, "Draw");
gs_eparam_t *image = gs_effect_get_param_by_name(effect, "image");
size_t passes;
if (vbuf == NULL || tex == NULL) return;
gs_vertexbuffer_flush(vbuf);
gs_load_vertexbuffer(vbuf);
gs_load_indexbuffer(NULL);
passes = gs_technique_begin(tech);
for (size_t i = 0; i < passes; i++) {
if (gs_technique_begin_pass(tech, i)) {
gs_effect_set_texture(image, texture);
gs_draw(GS_TRIS, 0, num_verts);
gs_technique_end_pass(tech);
}
}
gs_technique_end(tech);
}
