Add config option working around buggy graphics drivers
"subImageFix=true" should fix missing text on radeonsi fglrx as well as most mobile drivers. Also fixes tileset atlas on mobile.
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9122446b23
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@ -94,6 +94,15 @@
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# solidFonts=false
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# Work around buggy graphics drivers which don't
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# properly synchronize texture access, most
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# apparent when text doesn't show up or the map
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# tileset doesn't render at all
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# (default: disabled)
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#
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# subImageFix=false
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# Set the base path of the game to '/path/to/game'
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# (default: executable directory)
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#
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@ -374,14 +374,46 @@ void Bitmap::stretchBlt(const IntRect &destRect,
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if (opacity == 0)
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return;
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if (source.megaSurface())
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SDL_Surface *srcSurf = source.megaSurface();
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if (srcSurf && shState->config().subImageFix)
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{
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/* Blit from software surface, for broken GL drivers */
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Vec2i gpTexSize;
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shState->ensureTexSize(sourceRect.w, sourceRect.h, gpTexSize);
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shState->bindTex();
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GLMeta::subRectImageUpload(srcSurf->w, sourceRect.x, sourceRect.y, 0, 0,
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sourceRect.w, sourceRect.h, srcSurf, GL_RGBA);
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GLMeta::subRectImageEnd();
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SimpleShader &shader = shState->shaders().simple;
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shader.bind();
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shader.setTranslation(Vec2i());
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shader.setTexSize(gpTexSize);
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p->pushSetViewport(shader);
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p->bindFBO();
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Quad &quad = shState->gpQuad();
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quad.setTexRect(FloatRect(0, 0, sourceRect.w, sourceRect.h));
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quad.setPosRect(destRect);
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p->blitQuad(quad);
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p->popViewport();
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p->addTaintedArea(destRect);
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p->onModified();
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return;
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}
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else if (srcSurf)
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{
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/* Blit from software surface */
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/* Don't do transparent blits for now */
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if (opacity < 255)
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source.ensureNonMega();
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SDL_Surface *srcSurf = source.megaSurface();
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SDL_Rect srcRect = sourceRect;
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SDL_Rect dstRect = destRect;
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SDL_Rect btmRect = { 0, 0, width(), height() };
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@ -405,18 +437,19 @@ void Bitmap::stretchBlt(const IntRect &destRect,
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if (bltRect.w == dstRect.w && bltRect.h == dstRect.h)
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{
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/* Dest rectangle lies within bounding box */
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TEX::uploadSubImage(destRect.x, destRect.y,
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destRect.w, destRect.h,
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blitTemp->pixels, GL_RGBA);
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}
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else
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{
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/* Clipped blit */
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GLMeta::subRectImageUpload(blitTemp->w, bltRect.x - dstRect.x, bltRect.y - dstRect.y,
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bltRect.x, bltRect.y, bltRect.w, bltRect.h, blitTemp, GL_RGBA);
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GLMeta::subRectImageEnd();
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}
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SDL_FreeSurface(blitTemp);
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p->onModified();
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@ -468,7 +501,6 @@ void Bitmap::stretchBlt(const IntRect &destRect,
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}
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p->addTaintedArea(destRect);
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p->onModified();
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}
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@ -1023,7 +1055,7 @@ void Bitmap::drawText(const IntRect &rect, const char *str, int align)
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if (fastBlit)
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{
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if (squeeze == 1.0)
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if (squeeze == 1.0 && !shState->config().subImageFix)
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{
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/* Even faster: upload directly to bitmap texture.
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* We have to make sure the posRect lies within the texture
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@ -153,6 +153,7 @@ Config::Config()
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fixedFramerate(0),
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frameSkip(true),
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solidFonts(false),
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subImageFix(false),
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gameFolder("."),
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anyAltToggleFS(false),
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enableReset(true),
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@ -181,6 +182,7 @@ void Config::read(int argc, char *argv[])
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PO_DESC(fixedFramerate, int) \
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PO_DESC(frameSkip, bool) \
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PO_DESC(solidFonts, bool) \
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PO_DESC(subImageFix, bool) \
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PO_DESC(gameFolder, std::string) \
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PO_DESC(anyAltToggleFS, bool) \
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PO_DESC(enableReset, bool) \
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@ -89,6 +89,8 @@ struct Config
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bool solidFonts;
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bool subImageFix;
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std::string gameFolder;
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bool anyAltToggleFS;
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bool enableReset;
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@ -26,6 +26,7 @@
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#include "table.h"
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#include "sharedstate.h"
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#include "config.h"
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#include "glstate.h"
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#include "gl-util.h"
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#include "gl-meta.h"
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@ -542,19 +543,59 @@ struct TilemapPrivate
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if (tileset->megaSurface())
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{
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/* Mega surface tileset */
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TEX::bind(atlas.gl.tex);
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SDL_Surface *tsSurf = tileset->megaSurface();
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for (size_t i = 0; i < blits.size(); ++i)
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if (shState->config().subImageFix)
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{
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const TileAtlas::Blit &blitOp = blits[i];
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/* Implementation for broken GL drivers */
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FBO::bind(atlas.gl.fbo);
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glState.blend.pushSet(false);
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glState.viewport.pushSet(IntRect(0, 0, atlas.size.x, atlas.size.y));
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GLMeta::subRectImageUpload(tsSurf->w, blitOp.src.x, blitOp.src.y,
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blitOp.dst.x, blitOp.dst.y, tsLaneW, blitOp.h, tsSurf, GL_RGBA);
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SimpleShader &shader = shState->shaders().simple;
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shader.bind();
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shader.applyViewportProj();
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shader.setTranslation(Vec2i());
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Quad &quad = shState->gpQuad();
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for (size_t i = 0; i < blits.size(); ++i)
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{
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const TileAtlas::Blit &blitOp = blits[i];
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Vec2i texSize;
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shState->ensureTexSize(tsLaneW, blitOp.h, texSize);
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shState->bindTex();
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GLMeta::subRectImageUpload(tsSurf->w, blitOp.src.x, blitOp.src.y,
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0, 0, tsLaneW, blitOp.h, tsSurf, GL_RGBA);
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shader.setTexSize(texSize);
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quad.setTexRect(FloatRect(0, 0, tsLaneW, blitOp.h));
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quad.setPosRect(FloatRect(blitOp.dst.x, blitOp.dst.y, tsLaneW, blitOp.h));
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quad.draw();
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}
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GLMeta::subRectImageEnd();
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glState.viewport.pop();
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glState.blend.pop();
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}
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else
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{
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/* Clean implementation */
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TEX::bind(atlas.gl.tex);
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for (size_t i = 0; i < blits.size(); ++i)
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{
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const TileAtlas::Blit &blitOp = blits[i];
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GLMeta::subRectImageUpload(tsSurf->w, blitOp.src.x, blitOp.src.y,
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blitOp.dst.x, blitOp.dst.y, tsLaneW, blitOp.h, tsSurf, GL_RGBA);
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}
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GLMeta::subRectImageEnd();
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}
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GLMeta::subRectImageEnd();
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}
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else
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{
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