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Slightly reduced the CPU usage of SpriteBatch:add, Text:add, and love.graphics.draw(ParticleSystem).

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This commit is contained in:
Alex Szpakowski
2015-08-11 18:01:24 -03:00
parent 6d9409a337
commit bfef97c48a
8 changed files with 68 additions and 39 deletions
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src/modules/graphics/opengl/SpriteBatch.cpp
+4 -6
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@@ -86,7 +86,7 @@ int SpriteBatch::add(float x, float y, float a, float sx, float sy, float ox, fl
if ((index == -1 && next >= size) || index < -1 || index >= size)
return -1;
Matrix4 t(x, y, a, sx, sy, ox, oy, kx, ky);
Matrix3 t(x, y, a, sx, sy, ox, oy, kx, ky);
addv(texture->getVertices(), t, (index == -1) ? next : index);
@@ -103,7 +103,7 @@ int SpriteBatch::addq(Quad *quad, float x, float y, float a, float sx, float sy,
if ((index == -1 && next >= size) || index < -1 || index >= next)
return -1;
Matrix4 t(x, y, a, sx, sy, ox, oy, kx, ky);
Matrix3 t(x, y, a, sx, sy, ox, oy, kx, ky);
addv(quad->getVertices(), t, (index == -1) ? next : index);
@@ -222,10 +222,8 @@ void SpriteBatch::draw(float x, float y, float angle, float sx, float sy, float
OpenGL::TempDebugGroup debuggroup("SpriteBatch draw");
Matrix4 t(x, y, angle, sx, sy, ox, oy, kx, ky);
OpenGL::TempTransform transform(gl);
transform.get() *= t;
transform.get() *= Matrix4(x, y, angle, sx, sy, ox, oy, kx, ky);
gl.bindTexture(*(GLuint *) texture->getHandle());
@@ -254,7 +252,7 @@ void SpriteBatch::draw(float x, float y, float angle, float sx, float sy, float
gl.drawElements(GL_TRIANGLES, (GLsizei) quad_indices.getIndexCount(next), quad_indices.getType(), quad_indices.getPointer(0));
}
void SpriteBatch::addv(const Vertex *v, const Matrix4 &m, int index)
void SpriteBatch::addv(const Vertex *v, const Matrix3 &m, int index)
{
// Needed for colors.
Vertex sprite[4] = {v[0], v[1], v[2], v[3]};