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Fixed double-transform spritebatch bug.

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This commit is contained in:
rude
2010-02-20 18:19:16 +01:00
parent 994c74848e
commit 9c4926b7da
2 changed files with 7 additions and 13 deletions
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src/modules/graphics/opengl/SpriteBatch.cpp
+6 -12
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@@ -117,7 +117,7 @@ namespace opengl
t.setTransformation(x, y, a, sx, sy, ox, oy); t.setTransformation(x, y, a, sx, sy, ox, oy);
t.transform(v, v, 4); t.transform(v, v, 4);
addv(t, v); addv(v);
// Increment counter. // Increment counter.
next++; next++;
@@ -138,9 +138,9 @@ namespace opengl
// Transform. // Transform.
Matrix t; Matrix t;
t.setTransformation(x, y, a, sx, sy, ox, oy); t.setTransformation(x, y, a, sx, sy, ox, oy);
t.transform(v, quad->getVertices(), 4); t.transform(v, v, 4);
addv(t, v); addv(v);
// Increment counter. // Increment counter.
next++; next++;
@@ -207,24 +207,18 @@ namespace opengl
glPopMatrix(); glPopMatrix();
} }
void SpriteBatch::addv(const Matrix & t, const vertex * v) void SpriteBatch::addv(const vertex * v)
{ {
// Get a pointer to the correct insertion position.
vertex * dst = vertices + next*4;
// Transform.
t.transform(dst, dst, 4);
if(lockp != 0) if(lockp != 0)
{ {
// Copy into mapped memory if buffer is locked. // Copy into mapped memory if buffer is locked.
memcpy(lockp + (next*4), dst, sizeof(vertex)*4); memcpy(lockp + (next*4), v, sizeof(vertex)*4);
} }
else else
{ {
// ... use glBufferSubData otherwise. // ... use glBufferSubData otherwise.
glBindBuffer(GL_ARRAY_BUFFER, vbo[0]); glBindBuffer(GL_ARRAY_BUFFER, vbo[0]);
glBufferSubData(GL_ARRAY_BUFFER, (next*4)*sizeof(vertex), sizeof(vertex)*4, dst); glBufferSubData(GL_ARRAY_BUFFER, (next*4)*sizeof(vertex), sizeof(vertex)*4, v);
glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ARRAY_BUFFER, 0);
} }
} }
src/modules/graphics/opengl/SpriteBatch.h
+1 -1
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@@ -101,7 +101,7 @@ namespace opengl
private: private:
void addv(const Matrix & t, const vertex * v); void addv(const vertex * v);
}; // SpriteBatch }; // SpriteBatch