void draw_tile (const Level& level, int x, int y, const Textures& tex, int texture_size) {
const Tile& tile = level.tile(x, y);
// Draw floor underneath anyway
draw_texture(texture_size * x, texture_size * y, tex.floor, texture_size);
if (tile.type == Tile::WALL) {
auto w = [&level](int x, int y) {
return level.valid(x, y) && level.tile(x, y).type == Tile::WALL;
};
struct { int x; int y; } c[4][3] = {
{
{ -1, 0 },
{ -1, -1 },
{ 0, -1 },
},
{
{ 0, -1 },
{ 1, -1 },
{ 1, 0 },
},
{
{ 1, 0 },
{ 1, 1 },
{ 0, 1 },
},
{
{ 0, 1 },
{ -1, 1 },
{ -1, 0 },
},
};
struct { int dx; int dy; } where[4] = {
{ 0, 0 },
{ 1, 0 },
{ 1, 1 },
{ 0, 1 },
};
for (int i = 0; i < 4; ++i) {
int p = 0;
int bit = 1;
for (int j = 0; j < 3; ++j) {
if (w(x + c[i][j].x, y + c[i][j].y)) {
p |= bit;
}
bit <<= 1;
}
const int tx = x * texture_size + where[i].dx * texture_size / 2;
const int ty = y * texture_size + where[i].dy * texture_size / 2;
draw_texture(tx, ty, tex.wall_parts[p], texture_size / 2, false, i * 90);
}
}
}
void player_draw(Player* plr) {
draw_enemies(plr->slaves);
glPushMatrix();
glTranslatef(creal(plr->pos), cimag(plr->pos), 0);
if(plr->focus != 0) {
glPushMatrix();
glRotatef(global.frames*10, 0, 0, 1);
glScalef(1, 1, 1);
glColor4f(1,1,1,0.2);
draw_texture(0, 0, "fairy_circle");
glColor4f(1,1,1,1);
glPopMatrix();
}
glDisable(GL_CULL_FACE);
if(plr->dir) {
glPushMatrix();
glScalef(-1,1,1);
}
int clr_changed = 0;
if(global.frames - abs(plr->recovery) < 0 && (global.frames/8)&1) {
glColor4f(0.4,0.4,1,0.9);
clr_changed = 1;
}
draw_animation_p(0, 0, !plr->moving, player_get_ani(plr->cha));
if(clr_changed)
glColor3f(1,1,1);
if(plr->dir)
glPopMatrix();
glEnable(GL_CULL_FACE);
if(plr->focus != 0) {
glPushMatrix();
glColor4f(1,1,1,fabs((float)plr->focus/30.0f));
glRotatef(global.frames, 0, 0, -1);
draw_texture(0, 0, "focus");
glColor4f(1,1,1,1);
glPopMatrix();
}
glPopMatrix();
}
//Draw textures within the m_texture_planes[plane_id].
void mgTLData::drawt_texture_image_part(
const MGTextureImages& teximage, //texture image data.
const double back_color[4], //back ground color data.
int plane_id //indicates if only parts of texture data be drawn.
//let i1=m_texture_planes[plane_id]->index(), and i2=m_texture_planes[plane_id+1]->index().
//Then rects of m_rects[i1] to m_rects[i2-1] are to be drawn.
)const{
mgGDL::draw_texture_image_set_up(back_color);
const mgTLTriangles& tris=triangles();
mgTLTriangles::const_triIterator first=tris.begin(), last=tris.end();;
const std::vector<mgTLTexPlane*>& texplanes=tlrects().texture_planes();
int ntpls=texplanes.size();
if(plane_id<ntpls){
int i1=texplanes[plane_id]->index();
const mgTLRect& recti=rect(i1);
int tri_id1=rect(i1).triangle_id();
first+=tri_id1;
if(plane_id<ntpls-1){
int i2=texplanes[plane_id+1]->index();
int tri_id2=rect(i2).triangle_id();
last=first+(tri_id2-tri_id1);
}
}
draw_texture(teximage,first,last);
mgGDL::draw_texture_image_end_up();
}
/** @brief Main in-game rendering routine.
*
* @param b Board configuration to render.
*/
void draw_scene(board_t *b, GLuint fb, int reflections) {
char temp[80];
int clock_seconds = 0;
int clock_minutes = 0;
glBindFramebuffer(GL_FRAMEBUFFER, fb);
transition_update();
gg_dialog_cleanup();
glDisable(GL_BLEND);
glDepthFunc(GL_ALWAYS);
draw_backdrop();
glEnable(GL_BLEND);
glDepthFunc(GL_LEQUAL);
go_3d(get_screen_width(), get_screen_height());
render_scene_3d(b, fb, reflections);
mouse_square = find_square(get_true_mouse_x(), get_true_mouse_y());
glBindFramebuffer(GL_FRAMEBUFFER, fb);
resize_window(get_screen_width(), get_screen_height());
glPushMatrix();
draw_ui_elements();
// draw_move_list(get_col(COL_WHITE), get_col(COL_YELLOW));
// draw_capture_list(get_col(COL_WHITE));
clock_minutes = (((SDL_GetTicks() - get_turn_counter()) / 1000) / 60);
clock_seconds = ((SDL_GetTicks() - get_turn_counter()) / 1000) - (clock_minutes * 60);
snprintf(temp, sizeof(temp), "%i:%02i", clock_minutes, clock_seconds);
/*text_draw_string( 303, 440, temp, 1, &col_black);*/
glPopMatrix();
/*if ( get_white_in_check() == TRUE )
text_draw_string_bouncy( 180, 420, "White is in check!", 1, get_col(COL_WHITE));
else if ( get_black_in_check() == TRUE )
text_draw_string_bouncy( 180, 420, "Black is in check!", 1, get_col(COL_WHITE));*/
gg_dialog_render_all();
if (get_fading_out()) {
if (!draw_fade(FADE_OUT))
set_switch_to_menu(TRUE);
} else {
if (get_show_egg())
draw_sonic_fade(FADE_IN);
else
draw_fade(FADE_IN);
}
/* Draw mouse cursor.. */
draw_texture(get_mouse_cursor(), get_mouse_x(), (479 - get_mouse_y() - 32), 32, 32, 1.0f, get_col(COL_WHITE));
}
void App::render_bloom_combine(clan::Canvas &canvas, clan::Texture2D &tex_base, clan::Texture2D &tex_bloom, clan::ProgramObject &program_object)
{
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
gc.set_texture(0, tex_base);
gc.set_texture(1, tex_bloom);
gc.set_program_object(program_object);
program_object.set_uniform1i(("BaseTexture"), 0);
program_object.set_uniform1f(("BaseIntensity"), base_intensity);
program_object.set_uniform1f(("BaseSaturation"), base_saturation);
program_object.set_uniform1i(("BloomTexture"), 1);
program_object.set_uniform1f(("BloomIntensity"), bloom_intensity);
program_object.set_uniform1f(("BloomSaturation"), bloom_saturation);
program_object.set_uniform_matrix("cl_ModelViewProjectionMatrix", canvas.get_projection() * canvas.get_transform());
draw_texture(gc, clan::Rectf(0,0,canvas.get_width(),canvas.get_height()), clan::Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
gc.reset_texture(1);
}
void GLAPIENTRY
_mesa_DrawTexi(GLint x, GLint y, GLint z, GLint width, GLint height)
{
GET_CURRENT_CONTEXT(ctx);
draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
(GLfloat) width, (GLfloat) height);
}
void App::draw_cpu(clan::Canvas &canvas, clan::PixelBuffer &cpu_buffer, clan::PixelBuffer &tux, clan::Texture2D &texture_to_write_into, clan::Texture2D &texture_to_draw)
{
upload_pixel_buffer(canvas, tux, cpu_buffer);
texture_to_write_into.set_subimage(canvas, 0, 0, cpu_buffer, cpu_buffer.get_size());
draw_texture(canvas, texture_to_draw, 32, 32);
}
void GLAPIENTRY
_mesa_DrawTexsOES(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height)
{
GET_CURRENT_CONTEXT(ctx);
draw_texture(ctx, (GLfloat) x, (GLfloat) y, (GLfloat) z,
(GLfloat) width, (GLfloat) height);
}
void GLAPIENTRY
_mesa_DrawTexsvOES(const GLshort *coords)
{
GET_CURRENT_CONTEXT(ctx);
draw_texture(ctx, (GLfloat) coords[0], (GLfloat) coords[1],
(GLfloat) coords[2], (GLfloat) coords[3], (GLfloat) coords[4]);
}
void Renderer::draw_texture(TextureRef texture, const Vector2i &dst_pos, float angle)
{
const Vector2i& size = texture->size();
Recti src(size);
Recti dst(dst_pos, size);
draw_texture(texture, src, dst, angle);
}
void TouchScreenButton::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_DRAW: {
if (!is_inside_tree())
return;
if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
return;
if (finger_pressed!=-1) {
if (texture_pressed.is_valid())
draw_texture(texture_pressed,Point2());
else if (texture.is_valid())
draw_texture(texture,Point2());
} else {
if (texture.is_valid())
draw_texture(texture,Point2());
}
} break;
case NOTIFICATION_ENTER_TREE: {
if (!get_tree()->is_editor_hint() && !OS::get_singleton()->has_touchscreen_ui_hint() && visibility==VISIBILITY_TOUCHSCREEN_ONLY)
return;
update();
if (!get_tree()->is_editor_hint())
set_process_input(true);
if (action.operator String()!="" && InputMap::get_singleton()->has_action(action)) {
action_id=InputMap::get_singleton()->get_action_id(action);
} else {
action_id=-1;
}
} break;
case NOTIFICATION_EXIT_TREE: {
if (is_pressed())
Input::get_singleton()->action_release(action);
} break;
}
}
void youmu_common_particle_slice_draw(Projectile *p, int t) {
float f = p->args[1]/p->args[0]*20.0;
glPushMatrix();
glTranslatef(creal(p->pos), cimag(p->pos),0);
glRotatef(p->angle/M_PI*180,0,0,1);
glScalef(f,1,1);
draw_texture(0,0,"part/youmu_slice");
ProjDrawCore(p, p->color);
glPopMatrix();
}
extern "C" void capture_dump_frames() {
int i;
for (i = 0; i < 10; i++) {
fprintf(stderr, "capture_dump() %d\n", i);
draw_texture(texids[i]);
glReadPixels(0, 0, 1280, 720, GL_RGBA, GL_UNSIGNED_BYTE, pixelbuffer);
framecapture_capframe(pixelbuffer);
}
}
void SplitContainer::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_SORT_CHILDREN: {
_resort();
} break;
case NOTIFICATION_MOUSE_ENTER: {
mouse_inside=true;
update();
} break;
case NOTIFICATION_MOUSE_EXIT: {
mouse_inside=false;
update();
} break;
case NOTIFICATION_DRAW: {
if (!_getch(0) || !_getch(1))
return;
if (collapsed || (!mouse_inside && get_constant("autohide")))
return;
int sep=dragger_visible?get_constant("separation"):0;
Ref<Texture> tex = get_icon("grabber");
Size2 size=get_size();
if (vertical) {
//draw_style_box( get_stylebox("bg"), Rect2(0,middle_sep,get_size().width,sep));
if (dragger_visible)
draw_texture(tex,Point2i((size.x-tex->get_width())/2,middle_sep+(sep-tex->get_height())/2));
} else {
//draw_style_box( get_stylebox("bg"), Rect2(middle_sep,0,sep,get_size().height));
if (dragger_visible)
draw_texture(tex,Point2i(middle_sep+(sep-tex->get_width())/2,(size.y-tex->get_height())/2));
}
} break;
}
}
void GLAPIENTRY
_mesa_DrawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height)
{
GET_CURRENT_CONTEXT(ctx);
draw_texture(ctx,
(GLfloat) x / 65536.0f,
(GLfloat) y / 65536.0f,
(GLfloat) z / 65536.0f,
(GLfloat) width / 65536.0f,
(GLfloat) height / 65536.0f);
}
void GLAPIENTRY
_mesa_DrawTexxv(const GLfixed *coords)
{
GET_CURRENT_CONTEXT(ctx);
draw_texture(ctx,
(GLfloat) coords[0] / 65536.0f,
(GLfloat) coords[1] / 65536.0f,
(GLfloat) coords[2] / 65536.0f,
(GLfloat) coords[3] / 65536.0f,
(GLfloat) coords[4] / 65536.0f);
}
void dc_capture_render(struct dc_capture *capture, effect_t effect)
{
int last_tex = (capture->cur_tex > 0) ?
capture->cur_tex-1 : capture->num_textures-1;
if (!capture->valid)
return;
if (capture->textures_written[last_tex])
draw_texture(capture, last_tex, effect);
}
void View_list::draw(View* v, size_t slot_idx){
Rect f = frame();
const size_t text_size = slot_height;
const size_t mark_width = 8;
Text_texture *tex_gen = shared_text_texture();
Size ts(list_width-mark_width, text_size);
GLuint tex = tex_gen->generate(ts, v->name().c_str());
if (is_visible(v)){
color::hilight();
draw_texture(0, 0, slot_idx*text_size+1, mark_width, ts.h-2);
}
color::text();
draw_texture(tex, mark_width, slot_idx*text_size, ts.w, ts.h);
glDeleteTextures(1,&tex);
}
void GraphNode::_notification(int p_what) {
if (p_what==NOTIFICATION_DRAW) {
Ref<StyleBox> sb=get_stylebox("frame");
Ref<Texture> port =get_icon("port");
Ref<Texture> close =get_icon("close");
int close_offset = get_constant("close_offset");
Ref<Font> title_font = get_font("title_font");
int title_offset = get_constant("title_offset");
Color title_color = get_color("title_color");
Point2i icofs = -port->get_size()*0.5;
int edgeofs=get_constant("port_offset");
icofs.y+=sb->get_margin(MARGIN_TOP);
draw_style_box(sb,Rect2(Point2(),get_size()));
int w = get_size().width-sb->get_minimum_size().x;
if (show_close)
w-=close->get_width();
draw_string(title_font,Point2(sb->get_margin(MARGIN_LEFT),-title_font->get_height()+title_font->get_ascent()+title_offset),title,title_color,w);
if (show_close) {
Vector2 cpos = Point2(w+sb->get_margin(MARGIN_LEFT),-close->get_height()+close_offset);
draw_texture(close,cpos);
close_rect.pos=cpos;
close_rect.size=close->get_size();
} else {
close_rect=Rect2();
}
for (Map<int,Slot>::Element *E=slot_info.front();E;E=E->next()) {
if (E->key() < 0 || E->key()>=cache_y.size())
continue;
if (!slot_info.has(E->key()))
continue;
const Slot &s=slot_info[E->key()];
//left
if (s.enable_left)
port->draw(get_canvas_item(),icofs+Point2(edgeofs,cache_y[E->key()]),s.color_left);
if (s.enable_right)
port->draw(get_canvas_item(),icofs+Point2(get_size().x-edgeofs,cache_y[E->key()]),s.color_right);
}
}
if (p_what==NOTIFICATION_SORT_CHILDREN) {
_resort();
}
}
bool CSurface::draw_sprite(const char* p_name, float x, float y, float sub_x, float sub_y, float sub_width, float sub_height)
{
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0); // alpha 值大于 0 的像素才会被绘制
if (!draw_texture(p_name, x, y, sub_x, sub_y, sub_width, sub_height))
{
glDisable(GL_ALPHA_TEST);
return false;
}
glDisable(GL_ALPHA_TEST);
return true;
}
void VFrame::draw_texture(int flip_y)
{
draw_texture(0,
0,
get_w(),
get_h(),
0,
0,
get_w(),
get_h(),
flip_y);
}
void DungeonMap::draw(sf::RenderTarget& target)
{
const int mapPosX = config::GAME_RES_X / 2 - m_mapTexture->getSize().x / 2;
const int mapPosY = config::GAME_RES_Y / 2 - m_mapTexture->getSize().y / 2;
draw_frame(target, 0, 0, config::GAME_RES_X, config::GAME_RES_Y);
draw_texture(target, m_mapTexture, mapPosX, mapPosY);
m_minimap.draw(target);
int left = POS_X - 19;
int right = POS_X + WIDTH + 19;
int top = POS_Y - 19;
int bottom = POS_Y + HEIGHT + 19;
int middle_x = config::GAME_RES_X / 2;
int middle_y = config::GAME_RES_Y / 2;
sf::Sprite sprite;
sprite.setTexture(*m_arrowTexture);
sprite.setOrigin(m_arrowTexture->getSize().x / 2, m_arrowTexture->getSize().y / 2);
// RIGHT
sprite.setPosition(right, middle_y);
if (m_centerX < (m_map->getWidth() - 1))
{
target.draw(sprite);
}
// DOWN
sprite.rotate(90);
sprite.setPosition(middle_x, bottom);
if (m_centerY < (m_map->getHeight() - 1))
{
target.draw(sprite);
}
// LEFT
sprite.rotate(90);
sprite.setPosition(left, middle_y);
if (m_centerX > 0)
{
target.draw(sprite);
}
// UP
sprite.rotate(90);
sprite.setPosition(middle_x, top);
if (m_centerY > 0)
{
target.draw(sprite);
}
}
static void
render_fire (uint32_t time_offset, void *params, int iparam, viewpoint *view,
lighting *lights, int pass)
{
if (pass == PVR_LIST_OP_POLY)
draw_backdrop ();
if (pass == PVR_LIST_TR_POLY)
{
draw_texture ();
warp_active = 1 - warp_active;
}
}
void SplitContainer::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_SORT_CHILDREN: {
_resort();
} break;
case NOTIFICATION_MOUSE_ENTER: {
mouse_inside = true;
update();
} break;
case NOTIFICATION_MOUSE_EXIT: {
mouse_inside = false;
update();
} break;
case NOTIFICATION_DRAW: {
if (!_getch(0) || !_getch(1))
return;
if (collapsed || (!mouse_inside && get_constant("autohide")))
return;
int sep = dragger_visibility != DRAGGER_HIDDEN_COLLAPSED ? get_constant("separation") : 0;
Ref<Texture> tex = get_icon("grabber");
Size2 size = get_size();
if (dragger_visibility == DRAGGER_VISIBLE) {
if (vertical)
draw_texture(tex, Point2i((size.x - tex->get_width()) / 2, middle_sep + (sep - tex->get_height()) / 2));
else
draw_texture(tex, Point2i(middle_sep + (sep - tex->get_width()) / 2, (size.y - tex->get_height()) / 2));
}
} break;
}
}
extern "C" void capture_dump_textures() {
int i;
for (i = 0; i < 100; i++) {
if (glIsTexture(i)) {
fprintf(stderr, "capture_dump_textures() %d\n", i);
draw_texture(i);
glReadPixels(0, 0, 1280, 720, GL_RGBA, GL_UNSIGNED_BYTE, pixelbuffer);
texturecapture_captexture(i, PARENT, 10, 0, 0, 1280, 720, GL_RGBA,
GL_UNSIGNED_BYTE, pixelbuffer);
}
}
}
void App::draw_image(GraphicContext &gc, Texture &image, float xpos, float ypos, ProgramObject &program_object, Vec4f &draw_color_offset)
{
program_object.set_uniform1i("SourceTexture", 0);
program_object.set_uniform4f("color_offset", draw_color_offset);
gc.set_texture(0, image);
gc.set_program_object(program_object, cl_program_matrix_modelview_projection);
draw_texture(gc, Rectf(xpos, ypos, Sizef(image.get_width(), image.get_height())), Colorf::white, Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
}
void App::render_gaussian_blur(clan::Canvas &canvas, float blur_amount, clan::Texture2D &source_texture, clan::ProgramObject &program_object, float dx, float dy)
{
uniforms.sample[0].weight = compute_gaussian(0, blur_amount);
uniforms.sample[0].offset_x = 0.0f;
uniforms.sample[0].offset_y = 0.0f;
float totalWeights = uniforms.sample[0].weight;
for (int i = 0; i < sampleCount / 2; i++)
{
float weight = compute_gaussian(i + 1.0f, blur_amount);
uniforms.sample[i * 2 + 1].weight = weight;
uniforms.sample[i * 2 + 2].weight = weight;
totalWeights += weight * 2;
float sampleOffset = i * 2 + 1.5f;
clan::Vec2f delta(dx * sampleOffset, dy * sampleOffset);
uniforms.sample[i * 2 + 1].offset_x = delta.x;
uniforms.sample[i * 2 + 1].offset_y = delta.y;
uniforms.sample[i * 2 + 2].offset_x = -delta.x;
uniforms.sample[i * 2 + 2].offset_y = -delta.y;
}
for (int i = 0; i < sampleCount; i++)
{
uniforms.sample[i].weight /= totalWeights;
}
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
gc.set_texture(0, source_texture);
gc.set_program_object(program_object);
uniforms.cl_ModelViewProjectionMatrix = canvas.get_projection() * canvas.get_transform();
gpu_uniforms.upload_data(gc, &uniforms, 1);
gc.set_uniform_buffer(0, gpu_uniforms);
draw_texture(gc, clan::Rectf(0,0,canvas.get_width(),canvas.get_height()), clan::Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
}
bool App::update()
{
clan::InputDevice keyboard = window.get_keyboard();
if (keyboard.get_keycode(clan::keycode_escape))
quit = true;
uniforms.timer = (System::get_time() - startTime) / 1000.0f;
// Uncomment this to make ball jump silly
//float scale = (sinf(timer * 2.0f) + 1.1f);
//ball.set_scale(scale, scale);
// Render standard image to offscreen buffer
background.draw(canvas_offscreen, 0, 0);
ball.draw(canvas_offscreen, canvas.get_width() / 2 + 200 * sinf(uniforms.timer / 2.0f), canvas.get_height() / 2 + 200 * cosf(uniforms.timer / 2.0f));
canvas_offscreen.flush();
// Render offscreen buffer to screen using post process shader
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
gc.set_texture(0, texture_offscreen);
gc.set_program_object(shader);
uniforms.cl_ModelViewProjectionMatrix = canvas.get_projection() * canvas.get_transform();
gpu_uniforms.upload_data(gc, &uniforms, 1);
gc.set_uniform_buffer(0, gpu_uniforms);
draw_texture(gc, clan::Rectf(0,0,canvas.get_width(),canvas.get_height()), clan::Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
if(uniforms.timer > 2.0f)
{
uniforms.amount += 0.005f;
if(uniforms.amount > 1.0f)
uniforms.amount = 1.0f;
}
window.flip(1);
return !quit;
}
void App::render_shockwave(clan::Canvas &canvas, clan::Texture2D &source_texture, clan::ProgramObject &program_object)
{
canvas.flush();
clan::GraphicContext gc = canvas.get_gc();
gc.set_texture(0, source_texture);
gc.set_program_object(program_object);
uniforms.cl_ModelViewProjectionMatrix = canvas.get_projection() * canvas.get_modelview();
gpu_uniforms.upload_data(gc, &uniforms, 1);
gc.set_uniform_buffer(0, gpu_uniforms);
draw_texture(gc, clan::Rectf(0,0,canvas.get_width(),canvas.get_height()), clan::Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
}
void App::render_gaussian_blur(CL_GraphicContext &gc, float blur_amount, CL_Texture &source_texture, CL_ProgramObject &program_object, float dx, float dy)
{
int sampleCount = 15;
float *sampleWeights = new float[sampleCount];
CL_Vec2f *sampleOffsets = new CL_Vec2f[sampleCount];
sampleWeights[0] = compute_gaussian(0, blur_amount);
sampleOffsets[0] = CL_Vec2f(0.0, 0.0);
float totalWeights = sampleWeights[0];
for (int i = 0; i < sampleCount / 2; i++)
{
float weight = compute_gaussian(i + 1.0f, blur_amount);
sampleWeights[i * 2 + 1] = weight;
sampleWeights[i * 2 + 2] = weight;
totalWeights += weight * 2;
float sampleOffset = i * 2 + 1.5f;
CL_Vec2f delta = CL_Vec2f(dx * sampleOffset, dy * sampleOffset);
sampleOffsets[i * 2 + 1] = delta;
sampleOffsets[i * 2 + 2] = CL_Vec2f(-delta.x, -delta.y);
}
for (int i = 0; i < sampleCount; i++)
{
sampleWeights[i] /= totalWeights;
}
program_object.set_uniform1i("SourceTexture", 0);
program_object.set_uniformfv("SampleOffsets", 2, sampleCount, (float *)sampleOffsets);
program_object.set_uniformfv("SampleWeights", 1, sampleCount, sampleWeights);
gc.set_texture(0, source_texture);
gc.set_program_object(program_object, cl_program_matrix_modelview_projection);
draw_texture(gc, CL_Rectf(0,0,gc.get_width(),gc.get_height()), CL_Colorf::white, CL_Rectf(0.0f, 0.0f, 1.0f, 1.0f));
gc.reset_program_object();
gc.reset_texture(0);
}