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);
}
static void DrawCircleAtPos(float x, float y, matrix4 &matrix,
float previewScale)
{
struct vec3 pos;
vec3_set(&pos, x, y, 0.0f);
vec3_transform(&pos, &pos, &matrix);
vec3_mulf(&pos, &pos, previewScale);
gs_matrix_push();
gs_matrix_translate(&pos);
gs_draw(GS_LINESTRIP, 0, 0);
gs_matrix_pop();
}
static inline void renderVB(gs_effect_t *effect, gs_vertbuffer_t *vb,
int cx, int cy)
{
if (!vb)
return;
matrix4 transform;
matrix4_identity(&transform);
transform.x.x = cx;
transform.y.y = cy;
gs_load_vertexbuffer(vb);
gs_matrix_push();
gs_matrix_mul(&transform);
while (gs_effect_loop(effect, "Solid"))
gs_draw(GS_LINESTRIP, 0, 0);
gs_matrix_pop();
}
bool OBSBasicPreview::DrawSelectedItem(obs_scene_t scene, obs_sceneitem_t item,
void *param)
{
if (!obs_sceneitem_selected(item))
return true;
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
gs_load_vertexbuffer(main->circle);
matrix4 boxTransform;
obs_sceneitem_get_box_transform(item, &boxTransform);
gs_matrix_push();
gs_matrix_scale3f(HANDLE_RADIUS, HANDLE_RADIUS, 1.0f);
DrawCircleAtPos(0.0f, 0.0f, boxTransform, main->previewScale);
DrawCircleAtPos(0.0f, 1.0f, boxTransform, main->previewScale);
DrawCircleAtPos(1.0f, 0.0f, boxTransform, main->previewScale);
DrawCircleAtPos(1.0f, 1.0f, boxTransform, main->previewScale);
DrawCircleAtPos(0.5f, 0.0f, boxTransform, main->previewScale);
DrawCircleAtPos(0.0f, 0.5f, boxTransform, main->previewScale);
DrawCircleAtPos(0.5f, 1.0f, boxTransform, main->previewScale);
DrawCircleAtPos(1.0f, 0.5f, boxTransform, main->previewScale);
gs_matrix_pop();
gs_load_vertexbuffer(main->box);
gs_matrix_push();
gs_matrix_set(&boxTransform);
gs_matrix_scale3f(main->previewScale, main->previewScale, 1.0f);
gs_draw(GS_LINESTRIP, 0, 0);
gs_matrix_pop();
UNUSED_PARAMETER(scene);
UNUSED_PARAMETER(param);
return true;
}
void OBSProjector::OBSRenderMultiview(void *data, uint32_t cx, uint32_t cy)
{
OBSProjector *window = (OBSProjector *)data;
if (updatingMultiview || !window->ready)
return;
OBSBasic *main = (OBSBasic *)obs_frontend_get_main_window();
uint32_t targetCX, targetCY;
int x, y;
float scale;
targetCX = (uint32_t)window->fw;
targetCY = (uint32_t)window->fh;
GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);
OBSSource previewSrc = main->GetCurrentSceneSource();
OBSSource programSrc = main->GetProgramSource();
bool studioMode = main->IsPreviewProgramMode();
auto renderVB = [&](gs_vertbuffer_t *vb, int cx, int cy,
uint32_t colorVal)
{
if (!vb)
return;
matrix4 transform;
matrix4_identity(&transform);
transform.x.x = cx;
transform.y.y = cy;
gs_load_vertexbuffer(vb);
gs_matrix_push();
gs_matrix_mul(&transform);
gs_effect_set_color(window->color, colorVal);
while (gs_effect_loop(window->solid, "Solid"))
gs_draw(GS_LINESTRIP, 0, 0);
gs_matrix_pop();
};
auto drawBox = [&](float cx, float cy, uint32_t colorVal)
{
gs_effect_set_color(window->color, colorVal);
while (gs_effect_loop(window->solid, "Solid"))
gs_draw_sprite(nullptr, 0, (uint32_t)cx, (uint32_t)cy);
};
auto setRegion = [&](float bx, float by, float cx,
float cy)
{
float vX = int(x + bx * scale);
float vY = int(y + by * scale);
float vCX = int(cx * scale);
float vCY = int(cy * scale);
float oL = bx;
float oT = by;
float oR = (bx + cx);
float oB = (by + cy);
startRegion(vX, vY, vCX, vCY, oL, oR, oT, oB);
};
auto calcBaseSource = [&](size_t i)
{
switch (multiviewLayout) {
case MultiviewLayout::HORIZONTAL_TOP_24_SCENES:
window->sourceX = (i % 6) * window->scenesCX;
window->sourceY = window->pvwprgCY +
(i / 6) * window->scenesCY;
break;
case MultiviewLayout::VERTICAL_LEFT_8_SCENES:
window->sourceX = window->pvwprgCX;
window->sourceY = (i / 2 ) * window->scenesCY;
if (i % 2 != 0)
window->sourceX += window->scenesCX;
break;
case MultiviewLayout::VERTICAL_RIGHT_8_SCENES:
window->sourceX = 0;
window->sourceY = (i / 2 ) * window->scenesCY;
if (i % 2 != 0)
window->sourceX = window->scenesCX;
break;
case MultiviewLayout::HORIZONTAL_BOTTOM_8_SCENES:
if (i < 4) {
window->sourceX = (float(i) * window->scenesCX);
window->sourceY = 0;
} else {
window->sourceX = (float(i - 4) *
window->scenesCX);
window->sourceY = window->scenesCY;
}
break;
default: // MultiviewLayout::HORIZONTAL_TOP_8_SCENES:
if (i < 4) {
window->sourceX = (float(i) * window->scenesCX);
window->sourceY = window->pvwprgCY;
} else {
window->sourceX = (float(i - 4) *
window->scenesCX);
window->sourceY = window->pvwprgCY +
window->scenesCY;
}
}
window->siX = window->sourceX + window->thickness;
window->siY = window->sourceY + window->thickness;
};
auto calcPreviewProgram = [&](bool program)
{
switch (multiviewLayout) {
case MultiviewLayout::HORIZONTAL_TOP_24_SCENES:
window->sourceX = window->thickness +
window->pvwprgCX / 2;
window->sourceY = window->thickness;
window->labelX = window->offset + window->pvwprgCX / 2;
window->labelY = window->pvwprgCY * 0.85f;
if (program) {
window->sourceX += window->pvwprgCX;
window->labelX += window->pvwprgCX;
}
break;
case MultiviewLayout::VERTICAL_LEFT_8_SCENES:
window->sourceX = window->thickness;
window->sourceY = window->pvwprgCY + window->thickness;
window->labelX = window->offset;
window->labelY = window->pvwprgCY * 1.85f;
if (program) {
window->sourceY = window->thickness;
window->labelY = window->pvwprgCY * 0.85f;
}
break;
case MultiviewLayout::VERTICAL_RIGHT_8_SCENES:
window->sourceX = window->pvwprgCX + window->thickness;
window->sourceY = window->pvwprgCY + window->thickness;
window->labelX = window->pvwprgCX + window->offset;
window->labelY = window->pvwprgCY * 1.85f;
if (program) {
window->sourceY = window->thickness;
window->labelY = window->pvwprgCY * 0.85f;
}
break;
case MultiviewLayout::HORIZONTAL_BOTTOM_8_SCENES:
window->sourceX = window->thickness;
window->sourceY = window->pvwprgCY + window->thickness;
window->labelX = window->offset;
window->labelY = window->pvwprgCY * 1.85f;
if (program) {
window->sourceX += window->pvwprgCX;
window->labelX += window->pvwprgCX;
}
break;
default: // MultiviewLayout::HORIZONTAL_TOP_8_SCENES:
window->sourceX = window->thickness;
window->sourceY = window->thickness;
window->labelX = window->offset;
window->labelY = window->pvwprgCY * 0.85f;
if (program) {
window->sourceX += window->pvwprgCX;
window->labelX += window->pvwprgCX;
}
}
};
auto paintAreaWithColor = [&](float tx, float ty, float cx, float cy,
uint32_t color)
{
gs_matrix_push();
gs_matrix_translate3f(tx, ty, 0.0f);
drawBox(cx, cy, color);
gs_matrix_pop();
};
// Define the whole usable region for the multiview
startRegion(x, y, targetCX * scale, targetCY * scale, 0.0f, window->fw,
0.0f, window->fh);
// Change the background color to highlight all sources
drawBox(window->fw, window->fh, outerColor);
/* ----------------------------- */
/* draw sources */
for (size_t i = 0; i < maxSrcs; i++) {
// Handle all the offsets
calcBaseSource(i);
if (i >= numSrcs) {
// Just paint the background and continue
paintAreaWithColor(window->sourceX, window->sourceY,
window->scenesCX, window->scenesCY,
outerColor);
paintAreaWithColor(window->siX, window->siY,
window->siCX, window->siCY,
backgroundColor);
continue;
}
OBSSource src = OBSGetStrongRef(window->multiviewScenes[i]);
// We have a source. Now chose the proper highlight color
uint32_t colorVal = outerColor;
if (src == programSrc)
colorVal = programColor;
else if (src == previewSrc)
colorVal = studioMode ? previewColor : programColor;
// Paint the background
paintAreaWithColor(window->sourceX, window->sourceY,
window->scenesCX, window->scenesCY, colorVal);
paintAreaWithColor(window->siX, window->siY, window->siCX,
window->siCY, backgroundColor);
/* ----------- */
// Render the source
gs_matrix_push();
gs_matrix_translate3f(window->siX, window->siY, 0.0f);
gs_matrix_scale3f(window->siScaleX, window->siScaleY, 1.0f);
setRegion(window->siX, window->siY, window->siCX, window->siCY);
obs_source_video_render(src);
endRegion();
gs_matrix_pop();
/* ----------- */
// Render the label
if (!drawLabel)
continue;
obs_source *label = window->multiviewLabels[i + 2];
if (!label)
continue;
window->offset = labelOffset(label, window->scenesCX);
gs_matrix_push();
gs_matrix_translate3f(window->sourceX + window->offset,
(window->scenesCY * 0.85f) + window->sourceY,
0.0f);
gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
drawBox(obs_source_get_width(label),
obs_source_get_height(label) +
int(window->sourceY * 0.015f), labelColor);
obs_source_video_render(label);
gs_matrix_pop();
}
/* ----------------------------- */
/* draw preview */
obs_source_t *previewLabel = window->multiviewLabels[0];
window->offset = labelOffset(previewLabel, window->pvwprgCX);
calcPreviewProgram(false);
// Paint the background
paintAreaWithColor(window->sourceX, window->sourceY, window->ppiCX,
window->ppiCY, backgroundColor);
// Scale and Draw the preview
gs_matrix_push();
gs_matrix_translate3f(window->sourceX, window->sourceY, 0.0f);
gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
setRegion(window->sourceX, window->sourceY, window->ppiCX,
window->ppiCY);
if (studioMode)
obs_source_video_render(previewSrc);
else
obs_render_main_texture();
if (drawSafeArea) {
renderVB(window->actionSafeMargin, targetCX, targetCY,
outerColor);
renderVB(window->graphicsSafeMargin, targetCX, targetCY,
outerColor);
renderVB(window->fourByThreeSafeMargin, targetCX, targetCY,
outerColor);
renderVB(window->leftLine, targetCX, targetCY, outerColor);
renderVB(window->topLine, targetCX, targetCY, outerColor);
renderVB(window->rightLine, targetCX, targetCY, outerColor);
}
endRegion();
gs_matrix_pop();
/* ----------- */
// Draw the Label
if (drawLabel) {
gs_matrix_push();
gs_matrix_translate3f(window->labelX, window->labelY, 0.0f);
gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
drawBox(obs_source_get_width(previewLabel),
obs_source_get_height(previewLabel) +
int(window->pvwprgCX * 0.015f), labelColor);
obs_source_video_render(previewLabel);
gs_matrix_pop();
}
/* ----------------------------- */
/* draw program */
obs_source_t *programLabel = window->multiviewLabels[1];
window->offset = labelOffset(programLabel, window->pvwprgCX);
calcPreviewProgram(true);
paintAreaWithColor(window->sourceX, window->sourceY, window->ppiCX,
window->ppiCY, backgroundColor);
// Scale and Draw the program
gs_matrix_push();
gs_matrix_translate3f(window->sourceX, window->sourceY, 0.0f);
gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
setRegion(window->sourceX, window->sourceY, window->ppiCX,
window->ppiCY);
obs_render_main_texture();
endRegion();
gs_matrix_pop();
/* ----------- */
// Draw the Label
if (drawLabel) {
gs_matrix_push();
gs_matrix_translate3f(window->labelX, window->labelY, 0.0f);
gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
drawBox(obs_source_get_width(programLabel),
obs_source_get_height(programLabel) +
int(window->pvwprgCX * 0.015f), labelColor);
obs_source_video_render(programLabel);
gs_matrix_pop();
}
// Region for future usage with aditional info.
if (multiviewLayout == MultiviewLayout::HORIZONTAL_TOP_24_SCENES) {
// Just paint the background for now
paintAreaWithColor(window->thickness, window->thickness,
window->siCX, window->siCY * 2 +
window->thicknessx2, backgroundColor);
paintAreaWithColor(window->thickness + 2.5 * (
window->thicknessx2 + window->ppiCX),
window->thickness, window->siCX,
window->siCY * 2 + window->thicknessx2,
backgroundColor);
}
endRegion();
}