More code restructuring.

Move all love.graphics functionality that doesn’t call OpenGL out of the OpenGL backend Graphics class.

--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2016-12-30 18:36:54 -04:00
parent d94b363b39
commit f12596dd19
38 changed files with 1603 additions and 1431 deletions
+88 -570
View File
@@ -55,14 +55,6 @@ namespace opengl
Graphics::Graphics()
: quadIndices(nullptr)
, width(0)
, height(0)
, pixelWidth(0)
, pixelHeight(0)
, created(false)
, active(true)
, writingToStencil(false)
, canvasSwitchCount(0)
{
gl = OpenGL();
@@ -88,21 +80,6 @@ Graphics::Graphics()
Graphics::~Graphics()
{
// We do this manually so the graphics objects are released before the window.
states.clear();
defaultFont.set(nullptr);
if (Shader::defaultShader)
{
Shader::defaultShader->release();
Shader::defaultShader = nullptr;
}
if (Shader::defaultVideoShader)
{
Shader::defaultVideoShader->release();
Shader::defaultVideoShader = nullptr;
}
if (quadIndices)
delete quadIndices;
}
@@ -112,133 +89,93 @@ const char *Graphics::getName() const
return "love.graphics.opengl";
}
void Graphics::restoreState(const DisplayState &s)
Image *Graphics::newImage(const std::vector<love::image::ImageData *> &data, const Image::Settings &settings)
{
setColor(s.color);
setBackgroundColor(s.backgroundColor);
setBlendMode(s.blendMode, s.blendAlphaMode);
setLineWidth(s.lineWidth);
setLineStyle(s.lineStyle);
setLineJoin(s.lineJoin);
setPointSize(s.pointSize);
if (s.scissor)
setScissor(s.scissorRect);
else
setScissor();
setStencilTest(s.stencilCompare, s.stencilTestValue);
setFont(s.font.get());
setShader(s.shader.get());
setCanvas(s.canvases);
setColorMask(s.colorMask);
setWireframe(s.wireframe);
setDefaultFilter(s.defaultFilter);
setDefaultMipmapFilter(s.defaultMipmapFilter, s.defaultMipmapSharpness);
return new Image(data, settings);
}
void Graphics::restoreStateChecked(const DisplayState &s)
Image *Graphics::newImage(const std::vector<love::image::CompressedImageData *> &cdata, const Image::Settings &settings)
{
const DisplayState &cur = states.back();
if (s.color != cur.color)
setColor(s.color);
setBackgroundColor(s.backgroundColor);
if (s.blendMode != cur.blendMode || s.blendAlphaMode != cur.blendAlphaMode)
setBlendMode(s.blendMode, s.blendAlphaMode);
// These are just simple assignments.
setLineWidth(s.lineWidth);
setLineStyle(s.lineStyle);
setLineJoin(s.lineJoin);
if (s.pointSize != cur.pointSize)
setPointSize(s.pointSize);
if (s.scissor != cur.scissor || (s.scissor && !(s.scissorRect == cur.scissorRect)))
{
if (s.scissor)
setScissor(s.scissorRect);
else
setScissor();
}
if (s.stencilCompare != cur.stencilCompare || s.stencilTestValue != cur.stencilTestValue)
setStencilTest(s.stencilCompare, s.stencilTestValue);
setFont(s.font.get());
setShader(s.shader.get());
bool canvaseschanged = s.canvases.size() != cur.canvases.size();
if (!canvaseschanged)
{
for (size_t i = 0; i < s.canvases.size() && i < cur.canvases.size(); i++)
{
if (s.canvases[i].get() != cur.canvases[i].get())
{
canvaseschanged = true;
break;
}
}
}
if (canvaseschanged)
setCanvas(s.canvases);
if (s.colorMask != cur.colorMask)
setColorMask(s.colorMask);
if (s.wireframe != cur.wireframe)
setWireframe(s.wireframe);
setDefaultFilter(s.defaultFilter);
setDefaultMipmapFilter(s.defaultMipmapFilter, s.defaultMipmapSharpness);
return new Image(cdata, settings);
}
void Graphics::checkSetDefaultFont()
graphics::Font *Graphics::newFont(love::font::Rasterizer *r, const Texture::Filter &filter)
{
// We don't create or set the default Font if an existing font is in use.
if (states.back().font.get() != nullptr)
return;
// Create a new default font if we don't have one yet.
if (!defaultFont.get())
{
auto fontmodule = Module::getInstance<font::Font>(M_FONT);
if (!fontmodule)
throw love::Exception("Font module has not been loaded.");
auto hinting = font::TrueTypeRasterizer::HINTING_NORMAL;
StrongRef<font::Rasterizer> r(fontmodule->newTrueTypeRasterizer(12, hinting), Acquire::NORETAIN);
defaultFont.set(newFont(r.get()), Acquire::NORETAIN);
}
states.back().font.set(defaultFont.get());
return new Font(r, filter);
}
double Graphics::getCurrentPixelDensity() const
SpriteBatch *Graphics::newSpriteBatch(Texture *texture, int size, vertex::Usage usage)
{
if (states.back().canvases.size() > 0)
{
Canvas *c = states.back().canvases[0];
return (double) c->getPixelHeight() / (double) c->getHeight();
}
return getScreenPixelDensity();
return new SpriteBatch(texture, size, usage);
}
double Graphics::getScreenPixelDensity() const
ParticleSystem *Graphics::newParticleSystem(Texture *texture, int size)
{
return (double) getPixelHeight() / (double) getHeight();
return new ParticleSystem(texture, size);
}
love::graphics::Canvas *Graphics::newCanvas(int width, int height, const Canvas::Settings &settings)
{
if (!Canvas::isSupported())
throw love::Exception("Canvases are not supported by your OpenGL drivers!");
if (!Canvas::isFormatSupported(settings.format))
{
const char *fstr = "rgba8";
love::getConstant(Canvas::getSizedFormat(settings.format), fstr);
throw love::Exception("The %s canvas format is not supported by your OpenGL drivers.", fstr);
}
if (width > gl.getMaxTextureSize())
throw Exception("Cannot create canvas: width of %d pixels is too large for this system.", width);
else if (height > gl.getMaxTextureSize())
throw Exception("Cannot create canvas: height of %d pixels is too large for this system.", height);
Canvas *canvas = new Canvas(width, height, settings);
GLenum err = canvas->getStatus();
// everything ok, return canvas (early out)
if (err == GL_FRAMEBUFFER_COMPLETE)
return canvas;
canvas->release();
throw love::Exception("Cannot create Canvas: %s", OpenGL::framebufferStatusString(err));
return nullptr; // never reached
}
love::graphics::Shader *Graphics::newShader(const Shader::ShaderSource &source)
{
return new Shader(source);
}
Mesh *Graphics::newMesh(const std::vector<Vertex> &vertices, Mesh::DrawMode drawmode, vertex::Usage usage)
{
return new Mesh(vertices, drawmode, usage);
}
Mesh *Graphics::newMesh(int vertexcount, Mesh::DrawMode drawmode, vertex::Usage usage)
{
return new Mesh(vertexcount, drawmode, usage);
}
Mesh *Graphics::newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, int vertexcount, Mesh::DrawMode drawmode, vertex::Usage usage)
{
return new Mesh(vertexformat, vertexcount, drawmode, usage);
}
Mesh *Graphics::newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, const void *data, size_t datasize, Mesh::DrawMode drawmode, vertex::Usage usage)
{
return new Mesh(vertexformat, data, datasize, drawmode, usage);
}
Text *Graphics::newText(graphics::Font *font, const std::vector<Font::ColoredString> &text)
{
return new Text(font, text);
}
Video *Graphics::newVideo(love::video::VideoStream *stream, float pixeldensity)
{
return new Video(stream, pixeldensity);
}
void Graphics::setViewportSize(int width, int height, int pixelwidth, int pixelheight)
@@ -352,14 +289,14 @@ bool Graphics::setMode(int width, int height, int pixelwidth, int pixelheight)
if (!Shader::defaultShader)
{
Renderer renderer = GLAD_ES_VERSION_2_0 ? RENDERER_OPENGLES : RENDERER_OPENGL;
Shader::defaultShader = newShader(Shader::defaultCode[renderer][gammacorrect]);
Shader::defaultShader = newShader(defaultShaderCode[renderer][gammacorrect]);
}
// and a default video shader.
if (!Shader::defaultVideoShader)
{
Renderer renderer = GLAD_ES_VERSION_2_0 ? RENDERER_OPENGLES : RENDERER_OPENGL;
Shader::defaultVideoShader = newShader(Shader::defaultVideoCode[renderer][gammacorrect]);
Shader::defaultVideoShader = newShader(defaultVideoShaderCode[renderer][gammacorrect]);
}
// A shader should always be active, but the default shader shouldn't be
@@ -407,14 +344,6 @@ void Graphics::setActive(bool enable)
active = enable;
}
bool Graphics::isActive() const
{
// The graphics module is only completely 'active' if there's a window, a
// context, and the active variable is set.
auto window = getInstance<love::window::Window>(M_WINDOW);
return active && isCreated() && window != nullptr && window->isOpen();
}
void Graphics::flushStreamDraws()
{
using namespace vertex;
@@ -584,24 +513,7 @@ void Graphics::setDebug(bool enable)
::printf("OpenGL debug output enabled (LOVE_GRAPHICS_DEBUG=1)\n");
}
void Graphics::reset()
{
DisplayState s;
stopDrawToStencilBuffer();
restoreState(s);
origin();
}
void Graphics::setCanvas(Canvas *canvas)
{
if (canvas == nullptr)
return setCanvas();
std::vector<Canvas *> canvases = {canvas};
setCanvas(canvases);
}
void Graphics::setCanvas(const std::vector<Canvas *> &canvases)
void Graphics::setCanvas(const std::vector<love::graphics::Canvas *> &canvases)
{
DisplayState &state = states.back();
int ncanvases = (int) canvases.size();
@@ -629,7 +541,7 @@ void Graphics::setCanvas(const std::vector<Canvas *> &canvases)
if (ncanvases > gl.getMaxRenderTargets())
throw love::Exception("This system can't simultaneously render to %d canvases.", ncanvases);
Canvas *firstcanvas = canvases[0];
love::graphics::Canvas *firstcanvas = canvases[0];
bool multiformatsupported = Canvas::isMultiFormatMultiCanvasSupported();
PixelFormat firstformat = firstcanvas->getPixelFormat();
@@ -640,7 +552,7 @@ void Graphics::setCanvas(const std::vector<Canvas *> &canvases)
for (int i = 1; i < ncanvases; i++)
{
Canvas *c = canvases[i];
love::graphics::Canvas *c = canvases[i];
if (c->getPixelWidth() != pixelwidth || c->getPixelHeight() != pixelheight)
throw love::Exception("All canvases in must have the same pixel dimensions.");
@@ -681,10 +593,10 @@ void Graphics::setCanvas(const std::vector<Canvas *> &canvases)
gl.setFramebufferSRGB(false);
}
std::vector<StrongRef<Canvas>> canvasrefs;
std::vector<StrongRef<love::graphics::Canvas>> canvasrefs;
canvasrefs.reserve(canvases.size());
for (Canvas *c : canvases)
for (love::graphics::Canvas *c : canvases)
canvasrefs.push_back(c);
std::swap(state.canvases, canvasrefs);
@@ -692,17 +604,6 @@ void Graphics::setCanvas(const std::vector<Canvas *> &canvases)
canvasSwitchCount++;
}
void Graphics::setCanvas(const std::vector<StrongRef<Canvas>> &canvases)
{
std::vector<Canvas *> canvaslist;
canvaslist.reserve(canvases.size());
for (const StrongRef<Canvas> &c : canvases)
canvaslist.push_back(c.get());
return setCanvas(canvaslist);
}
void Graphics::setCanvas()
{
DisplayState &state = states.back();
@@ -740,17 +641,6 @@ void Graphics::setCanvas()
canvasSwitchCount++;
}
std::vector<Canvas *> Graphics::getCanvas() const
{
std::vector<Canvas *> canvases;
canvases.reserve(states.back().canvases.size());
for (const StrongRef<Canvas> &c : states.back().canvases)
canvases.push_back(c.get());
return canvases;
}
void Graphics::endPass()
{
flushStreamDraws();
@@ -768,9 +658,11 @@ void Graphics::endPass()
for (int i = 0; i < (int) canvases.size(); i++)
{
Canvas *c = (Canvas *) canvases[i].get();
glReadBuffer(GL_COLOR_ATTACHMENT0 + i);
gl.bindFramebuffer(OpenGL::FRAMEBUFFER_DRAW, canvases[i]->getFBO());
gl.bindFramebuffer(OpenGL::FRAMEBUFFER_DRAW, c->getFBO());
if (GLAD_APPLE_framebuffer_multisample)
glResolveMultisampleFramebufferAPPLE();
@@ -793,7 +685,7 @@ void Graphics::clear(Colorf c)
// This seems to be enough to fix the bug for me. Other methods I've
// tried (e.g. dummy draws) don't work in all cases.
gl.useProgram(0);
gl.useProgram(Shader::current->getProgram());
gl.useProgram(((Shader *)Shader::current)->getProgram());
}
}
@@ -859,26 +751,10 @@ void Graphics::clear(const std::vector<OptionalColorf> &colors)
// This seems to be enough to fix the bug for me. Other methods I've
// tried (e.g. dummy draws) don't work in all cases.
gl.useProgram(0);
gl.useProgram(Shader::current->getProgram());
gl.useProgram(((Shader *)Shader::current)->getProgram());
}
}
bool Graphics::isCanvasActive() const
{
return !states.back().canvases.empty();
}
bool Graphics::isCanvasActive(Canvas *canvas) const
{
for (const auto &c : states.back().canvases)
{
if (c.get() == canvas)
return true;
}
return false;
}
void Graphics::discard(const std::vector<bool> &colorbuffers, bool depthstencil)
{
flushStreamDraws();
@@ -935,11 +811,11 @@ void Graphics::discard(OpenGL::FramebufferTarget target, const std::vector<bool>
glDiscardFramebufferEXT(gltarget, (GLint) attachments.size(), &attachments[0]);
}
void Graphics::bindCachedFBO(const std::vector<Canvas *> &canvases)
void Graphics::bindCachedFBO(const std::vector<love::graphics::Canvas *> &canvases)
{
int ncanvases = (int) canvases.size();
uint32 hash = XXH32(&canvases[0], sizeof(Canvas *) * ncanvases, 0);
uint32 hash = XXH32(&canvases[0], sizeof(love::graphics::Canvas *) * ncanvases, 0);
GLuint fbo = framebufferObjects[hash];
@@ -1075,11 +951,6 @@ GLuint Graphics::attachCachedStencilBuffer(int w, int h, int samples)
return rb.renderbuffer;
}
void Graphics::captureScreenshot(const ScreenshotInfo &info)
{
pendingScreenshotCallbacks.push_back(info);
}
void Graphics::present(void *screenshotCallbackData)
{
if (!isActive())
@@ -1200,31 +1071,6 @@ void Graphics::present(void *screenshotCallbackData)
canvasSwitchCount = 0;
}
int Graphics::getWidth() const
{
return width;
}
int Graphics::getHeight() const
{
return height;
}
int Graphics::getPixelWidth() const
{
return pixelWidth;
}
int Graphics::getPixelHeight() const
{
return pixelHeight;
}
bool Graphics::isCreated() const
{
return created;
}
void Graphics::setScissor(const Rect &rect)
{
flushStreamDraws();
@@ -1248,28 +1094,6 @@ void Graphics::setScissor(const Rect &rect)
state.scissorRect = rect;
}
void Graphics::intersectScissor(const Rect &rect)
{
Rect currect = states.back().scissorRect;
if (!states.back().scissor)
{
currect.x = 0;
currect.y = 0;
currect.w = std::numeric_limits<int>::max();
currect.h = std::numeric_limits<int>::max();
}
int x1 = std::max(currect.x, rect.x);
int y1 = std::max(currect.y, rect.y);
int x2 = std::min(currect.x + currect.w, rect.x + rect.w);
int y2 = std::min(currect.y + currect.h, rect.y + rect.h);
Rect newrect = {x1, y1, std::max(0, x2 - x1), std::max(0, y2 - y1)};
setScissor(newrect);
}
void Graphics::setScissor()
{
flushStreamDraws();
@@ -1277,13 +1101,6 @@ void Graphics::setScissor()
glDisable(GL_SCISSOR_TEST);
}
bool Graphics::getScissor(Rect &rect) const
{
const DisplayState &state = states.back();
rect = state.scissorRect;
return state.scissor;
}
void Graphics::drawToStencilBuffer(StencilAction action, int value)
{
writingToStencil = true;
@@ -1405,117 +1222,11 @@ void Graphics::setStencilTest()
setStencilTest(COMPARE_ALWAYS, 0);
}
void Graphics::getStencilTest(CompareMode &compare, int &value)
{
const DisplayState &state = states.back();
compare = state.stencilCompare;
value = state.stencilTestValue;
}
void Graphics::clearStencil()
{
glClear(GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
Image *Graphics::newImage(const std::vector<love::image::ImageData *> &data, const Image::Settings &settings)
{
return new Image(data, settings);
}
Image *Graphics::newImage(const std::vector<love::image::CompressedImageData *> &cdata, const Image::Settings &settings)
{
return new Image(cdata, settings);
}
Quad *Graphics::newQuad(Quad::Viewport v, double sw, double sh)
{
return new Quad(v, sw, sh);
}
graphics::Font *Graphics::newFont(love::font::Rasterizer *r, const Texture::Filter &filter)
{
return new Font(r, filter);
}
SpriteBatch *Graphics::newSpriteBatch(Texture *texture, int size, Mesh::Usage usage)
{
return new SpriteBatch(texture, size, usage);
}
ParticleSystem *Graphics::newParticleSystem(Texture *texture, int size)
{
return new ParticleSystem(texture, size);
}
Canvas *Graphics::newCanvas(int width, int height, const Canvas::Settings &settings)
{
if (!Canvas::isSupported())
throw love::Exception("Canvases are not supported by your OpenGL drivers!");
if (!Canvas::isFormatSupported(settings.format))
{
const char *fstr = "rgba8";
love::getConstant(Canvas::getSizedFormat(settings.format), fstr);
throw love::Exception("The %s canvas format is not supported by your OpenGL drivers.", fstr);
}
if (width > gl.getMaxTextureSize())
throw Exception("Cannot create canvas: width of %d pixels is too large for this system.", width);
else if (height > gl.getMaxTextureSize())
throw Exception("Cannot create canvas: height of %d pixels is too large for this system.", height);
Canvas *canvas = new Canvas(width, height, settings);
GLenum err = canvas->getStatus();
// everything ok, return canvas (early out)
if (err == GL_FRAMEBUFFER_COMPLETE)
return canvas;
canvas->release();
throw love::Exception("Cannot create Canvas: %s", OpenGL::framebufferStatusString(err));
return nullptr; // never reached
}
Shader *Graphics::newShader(const Shader::ShaderSource &source)
{
return new Shader(source);
}
Mesh *Graphics::newMesh(const std::vector<Vertex> &vertices, Mesh::DrawMode drawmode, Mesh::Usage usage)
{
return new Mesh(vertices, drawmode, usage);
}
Mesh *Graphics::newMesh(int vertexcount, Mesh::DrawMode drawmode, Mesh::Usage usage)
{
return new Mesh(vertexcount, drawmode, usage);
}
Mesh *Graphics::newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, int vertexcount, Mesh::DrawMode drawmode, Mesh::Usage usage)
{
return new Mesh(vertexformat, vertexcount, drawmode, usage);
}
Mesh *Graphics::newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, const void *data, size_t datasize, Mesh::DrawMode drawmode, Mesh::Usage usage)
{
return new Mesh(vertexformat, data, datasize, drawmode, usage);
}
Text *Graphics::newText(graphics::Font *font, const std::vector<Font::ColoredString> &text)
{
return new Text(font, text);
}
Video *Graphics::newVideo(love::video::VideoStream *stream, float pixeldensity)
{
return new Video(stream, pixeldensity);
}
bool Graphics::isGammaCorrect() const
{
return love::graphics::isGammaCorrect();
}
void Graphics::setColor(Colorf c)
{
c.r = std::min(std::max(c.r, 0.0f), 1.0f);
@@ -1531,66 +1242,6 @@ void Graphics::setColor(Colorf c)
states.back().gammaCorrectedColor = nc;
}
Colorf Graphics::getColor() const
{
return states.back().color;
}
void Graphics::setBackgroundColor(Colorf c)
{
states.back().backgroundColor = c;
}
Colorf Graphics::getBackgroundColor() const
{
return states.back().backgroundColor;
}
void Graphics::setFont(love::graphics::Font *font)
{
// We don't need to set a default font here if null is passed in, since we
// only care about the default font in getFont and print.
DisplayState &state = states.back();
state.font.set(font);
}
love::graphics::Font *Graphics::getFont()
{
checkSetDefaultFont();
return states.back().font.get();
}
void Graphics::setShader(Shader *shader)
{
if (shader == nullptr)
return setShader();
flushStreamDraws();
DisplayState &state = states.back();
shader->attach();
state.shader.set(shader);
}
void Graphics::setShader()
{
flushStreamDraws();
DisplayState &state = states.back();
// This will activate the default shader.
Shader::detach();
state.shader.set(nullptr);
}
Shader *Graphics::getShader() const
{
return states.back().shader.get();
}
void Graphics::setColorMask(ColorMask mask)
{
flushStreamDraws();
@@ -1599,11 +1250,6 @@ void Graphics::setColorMask(ColorMask mask)
states.back().colorMask = mask;
}
Graphics::ColorMask Graphics::getColorMask() const
{
return states.back().colorMask;
}
void Graphics::setBlendMode(BlendMode mode, BlendAlpha alphamode)
{
flushStreamDraws();
@@ -1682,68 +1328,6 @@ void Graphics::setBlendMode(BlendMode mode, BlendAlpha alphamode)
states.back().blendAlphaMode = alphamode;
}
Graphics::BlendMode Graphics::getBlendMode(BlendAlpha &alphamode) const
{
alphamode = states.back().blendAlphaMode;
return states.back().blendMode;
}
void Graphics::setDefaultFilter(const Texture::Filter &f)
{
Texture::setDefaultFilter(f);
states.back().defaultFilter = f;
}
const Texture::Filter &Graphics::getDefaultFilter() const
{
return Texture::getDefaultFilter();
}
void Graphics::setDefaultMipmapFilter(Texture::FilterMode filter, float sharpness)
{
Image::setDefaultMipmapFilter(filter);
Image::setDefaultMipmapSharpness(sharpness);
states.back().defaultMipmapFilter = filter;
states.back().defaultMipmapSharpness = sharpness;
}
void Graphics::getDefaultMipmapFilter(Texture::FilterMode *filter, float *sharpness) const
{
*filter = Image::getDefaultMipmapFilter();
*sharpness = Image::getDefaultMipmapSharpness();
}
void Graphics::setLineWidth(float width)
{
states.back().lineWidth = width;
}
void Graphics::setLineStyle(Graphics::LineStyle style)
{
states.back().lineStyle = style;
}
void Graphics::setLineJoin(Graphics::LineJoin join)
{
states.back().lineJoin = join;
}
float Graphics::getLineWidth() const
{
return states.back().lineWidth;
}
Graphics::LineStyle Graphics::getLineStyle() const
{
return states.back().lineStyle;
}
Graphics::LineJoin Graphics::getLineJoin() const
{
return states.back().lineJoin;
}
void Graphics::setPointSize(float size)
{
if (streamBufferState.primitiveMode == vertex::PrimitiveMode::POINTS)
@@ -1753,11 +1337,6 @@ void Graphics::setPointSize(float size)
states.back().pointSize = size;
}
float Graphics::getPointSize() const
{
return states.back().pointSize;
}
void Graphics::setWireframe(bool enable)
{
// Not supported in OpenGL ES.
@@ -1770,31 +1349,6 @@ void Graphics::setWireframe(bool enable)
states.back().wireframe = enable;
}
bool Graphics::isWireframe() const
{
return states.back().wireframe;
}
void Graphics::print(const std::vector<Font::ColoredString> &str, const Matrix4 &m)
{
checkSetDefaultFont();
DisplayState &state = states.back();
if (state.font.get() != nullptr)
state.font->print(this, str, m, state.color);
}
void Graphics::printf(const std::vector<Font::ColoredString> &str, float wrap, Font::AlignMode align, const Matrix4 &m)
{
checkSetDefaultFont();
DisplayState &state = states.back();
if (state.font.get() != nullptr)
state.font->printf(this, str, wrap, align, m, state.color);
}
Graphics::RendererInfo Graphics::getRendererInfo() const
{
RendererInfo info;
@@ -1883,42 +1437,6 @@ bool Graphics::isSupported(Feature feature) const
}
}
void Graphics::push(StackType type)
{
if (stackTypes.size() == MAX_USER_STACK_DEPTH)
throw Exception("Maximum stack depth reached (more pushes than pops?)");
pushTransform();
pixelScaleStack.push_back(pixelScaleStack.back());
if (type == STACK_ALL)
states.push_back(states.back());
stackTypes.push_back(type);
}
void Graphics::pop()
{
if (stackTypes.size() < 1)
throw Exception("Minimum stack depth reached (more pops than pushes?)");
popTransform();
pixelScaleStack.pop_back();
if (stackTypes.back() == STACK_ALL)
{
DisplayState &newstate = states[states.size() - 2];
restoreStateChecked(newstate);
// The last two states in the stack should be equal now.
states.pop_back();
}
stackTypes.pop_back();
}
} // opengl
} // graphics
} // love