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Moved some backend-agnostic code out of the OpenGL backend of love.graphics.

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--HG--
branch : minor
This commit is contained in:
Alex Szpakowski
2017-04-29 18:38:23 -03:00
parent fd64999748
commit 10d73ea1d7
3 changed files with 50 additions and 44 deletions
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src/modules/graphics/Canvas.cpp
+47
View File
@@ -89,6 +89,53 @@ int Canvas::getRequestedMSAA() const
return settings.msaa;
}
love::image::ImageData *Canvas::newImageData(love::image::Image *module, int slice, int mipmap, const Rect &r)
{
if (!isReadable())
throw love::Exception("Canvas:newImageData cannot be called on non-readable Canvases.");
if (isPixelFormatDepthStencil(getPixelFormat()))
throw love::Exception("Canvas:newImageData cannot be called on Canvases with depth/stencil pixel formats.");
if (r.x < 0 || r.y < 0 || r.w <= 0 || r.h <= 0 || (r.x + r.w) > getPixelWidth(mipmap) || (r.y + r.h) > getPixelHeight(mipmap))
throw love::Exception("Invalid rectangle dimensions.");
if (slice < 0 || (texType == TEXTURE_VOLUME && slice >= getDepth(mipmap))
|| (texType == TEXTURE_2D_ARRAY && slice >= layers)
|| (texType == TEXTURE_CUBE && slice >= 6))
{
throw love::Exception("Invalid slice index.");
}
Graphics *gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (gfx != nullptr && gfx->isCanvasActive(this))
throw love::Exception("Canvas:newImageData cannot be called while that Canvas is currently active.");
PixelFormat dataformat;
switch (getPixelFormat())
{
case PIXELFORMAT_RGB10A2: // FIXME: Conversions aren't supported in GLES
dataformat = PIXELFORMAT_RGBA16;
break;
case PIXELFORMAT_R16F:
case PIXELFORMAT_RG16F:
case PIXELFORMAT_RGBA16F:
case PIXELFORMAT_RG11B10F: // FIXME: Conversions aren't supported in GLES
dataformat = PIXELFORMAT_RGBA16F;
break;
case PIXELFORMAT_R32F:
case PIXELFORMAT_RG32F:
case PIXELFORMAT_RGBA32F:
dataformat = PIXELFORMAT_RGBA32F;
break;
default:
dataformat = PIXELFORMAT_RGBA8;
break;
}
return module->newImageData(r.w, r.h, dataformat);
}
void Canvas::draw(Graphics *gfx, Quad *q, const Matrix4 &t)
{
if (gfx->isCanvasActive(this))
src/modules/graphics/Canvas.h
+1 -1
View File
@@ -66,7 +66,7 @@ public:
MipmapMode getMipmapMode() const;
int getRequestedMSAA() const;
virtual love::image::ImageData *newImageData(love::image::Image *module, int slice, int mipmap, const Rect &rect) = 0;
virtual love::image::ImageData *newImageData(love::image::Image *module, int slice, int mipmap, const Rect &rect);
virtual void generateMipmaps() = 0;
virtual int getMSAA() const = 0;
src/modules/graphics/opengl/Canvas.cpp
+2 -43
View File
@@ -454,49 +454,8 @@ ptrdiff_t Canvas::getHandle() const
love::image::ImageData *Canvas::newImageData(love::image::Image *module, int slice, int mipmap, const Rect &r)
{
if (!isReadable())
throw love::Exception("Canvas:newImageData cannot be called on non-readable Canvases.");
if (isPixelFormatDepthStencil(getPixelFormat()))
throw love::Exception("Canvas:newImageData cannot be called on Canvases with depth/stencil pixel formats.");
if (r.x < 0 || r.y < 0 || r.w <= 0 || r.h <= 0 || (r.x + r.w) > getPixelWidth(mipmap) || (r.y + r.h) > getPixelHeight(mipmap))
throw love::Exception("Invalid rectangle dimensions.");
if (slice < 0 || (texType == TEXTURE_VOLUME && slice >= getDepth(mipmap))
|| (texType == TEXTURE_2D_ARRAY && slice >= layers)
|| (texType == TEXTURE_CUBE && slice >= 6))
{
throw love::Exception("Invalid slice index.");
}
Graphics *gfx = Module::getInstance<Graphics>(Module::M_GRAPHICS);
if (gfx != nullptr && gfx->isCanvasActive(this))
throw love::Exception("Canvas:newImageData cannot be called while that Canvas is currently active.");
PixelFormat dataformat;
switch (getPixelFormat())
{
case PIXELFORMAT_RGB10A2: // FIXME: Conversions aren't supported in GLES
dataformat = PIXELFORMAT_RGBA16;
break;
case PIXELFORMAT_R16F:
case PIXELFORMAT_RG16F:
case PIXELFORMAT_RGBA16F:
case PIXELFORMAT_RG11B10F: // FIXME: Conversions aren't supported in GLES
dataformat = PIXELFORMAT_RGBA16F;
break;
case PIXELFORMAT_R32F:
case PIXELFORMAT_RG32F:
case PIXELFORMAT_RGBA32F:
dataformat = PIXELFORMAT_RGBA32F;
break;
default:
dataformat = PIXELFORMAT_RGBA8;
break;
}
love::image::ImageData *imagedata = module->newImageData(r.w, r.h, dataformat);
love::image::ImageData *imagedata = love::graphics::Canvas::newImageData(module, slice, mipmap, r);
PixelFormat dataformat = imagedata->getFormat();
bool isSRGB = false;
OpenGL::TextureFormat fmt = gl.convertPixelFormat(dataformat, false, isSRGB);