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Moved most uses of glGetTexImage() into a single function with better error checking.

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Also small config addition to optionally increase memory allocation size
for temporary texture pixel data; the nouveau drivers seem notoriously
awkward and keep writing over the buffer.
This commit is contained in:
fgenesis 2012-06-15 04:12:20 +02:00
commit 063b1c0dfc
6 changed files with 123 additions and 72 deletions
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56
Aquaria/Game.cpp
View file

@ -1971,30 +1971,13 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
h2/=TILE_SIZE;
tpos.x -= w2;
tpos.y -= h2;
GLuint id = q->texture->textures[0];
int w = 0, h = 0;
glBindTexture(GL_TEXTURE_2D, id);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &h);
//glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPONENTS, &c);// assume 4
unsigned int size = w*h*4;
if (!size || w <= 0 || h <= 0)
return;
unsigned char *data = (unsigned char*)malloc(size + 6);
memcpy(data + size, "SAFE", 5);
unsigned int size = 0;
unsigned char *data = q->texture->getBufferAndSize(&w, &h, &size);
if (!data)
{
errorLog("Game::fillGridFromQuad allocation failure");
return;
}
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glBindTexture(GL_TEXTURE_2D, 0);
// Not sure but this might be the case with nouveau drivers on linux... still investigating. -- fg
if(memcmp(data + size, "SAFE", 5))
{
errorLog("Game::fillGridFromQuad(): Broken graphics driver! Wrote past end of buffer!");
free(data); // in case we are here, this will most likely cause a crash.
debugLog("Failed to get buffer in Game::fillGridFromQuad()");
return;
}
@ -2041,11 +2024,7 @@ void Game::fillGridFromQuad(Quad *q, ObsType obsType, bool trim)
}
}
if (data)
{
free(data);
data = 0;
}
free(data);
if (trim)
{
@ -2803,25 +2782,15 @@ void Game::generateCollisionMask(Quad *q, int overrideCollideRadius)
h2/=TILE_SIZE;
tpos.x -= w2;
tpos.y -= h2;
GLuint id = q->texture->textures[0];
int w = 0, h = 0;
glBindTexture(GL_TEXTURE_2D, id);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &w);
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_HEIGHT, &h);
//glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPONENTS, &c);// assume 4
unsigned int size = w*h*4;
if (!size || w <= 0 || h <= 0)
return;
unsigned char *data = (unsigned char*)malloc(size);
unsigned int size = 0;
unsigned char *data = q->texture->getBufferAndSize(&w, &h, &size);
if (!data)
{
debugLog("Could not malloc in Game::generateCollisionMask");
debugLog("Failed to get buffer in Game::generateCollisionMask()");
return;
}
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
q->collisionMaskRadius = 0;
@ -2865,6 +2834,10 @@ void Game::generateCollisionMask(Quad *q, int overrideCollideRadius)
}
}
q->collisionMaskRadius = 512;
free(data);
/*
for (int i = 0; i < q->collisionMask.size(); i++)
@ -2887,10 +2860,7 @@ void Game::generateCollisionMask(Quad *q, int overrideCollideRadius)
q->collisionMaskRadius = h2*2;
*/
//q->collisionMaskRadius = sqrtf(sqr(w2)+sqr(h2));
q->collisionMaskRadius = 512;
glBindTexture(GL_TEXTURE_2D, 0);
free(data);
/*
int rot = rotation.z;
while (rot > 360)

20
Aquaria/UserSettings.cpp
View file

@ -274,6 +274,12 @@ void UserSettings::save()
}
doc.InsertEndChild(xml_net);
TiXmlElement xml_debug("Debug");
{
xml_debug.SetAttribute("textureMemoryMultiplier", debug.textureMemoryMultiplier);
}
doc.InsertEndChild(xml_debug);
}
#if defined(BBGE_BUILD_UNIX)
@ -555,7 +561,15 @@ void UserSettings::load(bool doApply, const std::string &overrideFile)
TiXmlElement *xml_net = doc.FirstChildElement("Network");
if (xml_net)
{
network.masterServer = xml_net->Attribute("masterServer");
const char *serv = xml_net->Attribute("masterServer");
if (serv)
network.masterServer = serv;
}
TiXmlElement *xml_debug = doc.FirstChildElement("Debug");
if (xml_debug)
{
xml_debug->Attribute("textureMemoryMultiplier", &debug.textureMemoryMultiplier);
}
if (system.locale.empty())
@ -603,6 +617,10 @@ void UserSettings::apply()
dsq->bindInput();
core->settings.prebufferSounds = audio.prebuffer;
if (debug.textureMemoryMultiplier >= 1)
Texture::textureMemoryMultiplier = debug.textureMemoryMultiplier;
#endif
}

6
Aquaria/UserSettings.h
View file

@ -178,6 +178,12 @@ public:
std::string masterServer;
} network;
struct Debug
{
Debug() { textureMemoryMultiplier = 1; }
int textureMemoryMultiplier;
} debug;
void loadDefaults(bool doApply=true);
void load(bool doApply=true, const std::string &overrideFile="");
void save();