diff options
Diffstat (limited to 'backends/graphics/opengl/opengl-graphics.cpp')
-rw-r--r-- | backends/graphics/opengl/opengl-graphics.cpp | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/backends/graphics/opengl/opengl-graphics.cpp b/backends/graphics/opengl/opengl-graphics.cpp index a595d076db..fc27270648 100644 --- a/backends/graphics/opengl/opengl-graphics.cpp +++ b/backends/graphics/opengl/opengl-graphics.cpp @@ -28,6 +28,7 @@ #include "backends/graphics/opengl/pipelines/shader.h" #include "backends/graphics/opengl/shader.h" +#include "common/array.h" #include "common/textconsole.h" #include "common/translation.h" #include "common/algorithm.h" @@ -43,6 +44,10 @@ #include "graphics/font.h" #endif +#ifdef USE_PNG +#include "image/png.h" +#endif + namespace OpenGL { OpenGLGraphicsManager::OpenGLGraphicsManager() @@ -1311,33 +1316,35 @@ bool OpenGLGraphicsManager::saveScreenshot(const Common::String &filename) const // Since we use a 3 byte per pixel mode, we can use width % 4 here, since // it is equal to 4 - (width * 3) % 4. (4 - (width * Bpp) % 4, is the // usual way of computing the padding bytes required). + // GL_PACK_ALIGNMENT is 4, so this line padding is required for PNG too const uint linePaddingSize = width % 4; const uint lineSize = width * 3 + linePaddingSize; - // Allocate memory for screenshot - uint8 *pixels = new uint8[lineSize * height]; + Common::DumpFile out; + if (!out.open(filename)) { + return false; + } - // Get pixel data from OpenGL buffer - GL_CALL(glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, pixels)); + Common::Array<uint8> pixels; + pixels.resize(lineSize * height); + GL_CALL(glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, &pixels.front())); +#ifdef USE_PNG + const Graphics::PixelFormat format(3, 8, 8, 8, 0, 16, 8, 0, 0); + Graphics::Surface data; + data.init(width, height, lineSize, &pixels.front(), format); + return Image::writePNG(out, data, true); +#else // BMP stores as BGR. Since we can't assume that GL_BGR is supported we // will swap the components from the RGB we read to BGR on our own. for (uint y = height; y-- > 0;) { - uint8 *line = pixels + y * lineSize; + uint8 *line = &pixels.front() + y * lineSize; for (uint x = width; x > 0; --x, line += 3) { SWAP(line[0], line[2]); } } - // Open file - Common::DumpFile out; - if (!out.open(filename)) { - delete[] pixels; - return false; - } - - // Write BMP header out.writeByte('B'); out.writeByte('M'); out.writeUint32LE(height * lineSize + 54); @@ -1354,13 +1361,10 @@ bool OpenGLGraphicsManager::saveScreenshot(const Common::String &filename) const out.writeUint32LE(0); out.writeUint32LE(0); out.writeUint32LE(0); + out.write(&pixels.front(), pixels.size()); - // Write pixel data to BMP - out.write(pixels, lineSize * height); - - // Free allocated memory - delete[] pixels; return true; +#endif } } // End of namespace OpenGL |