Remove renderGLGeometry from kwinglutils.
Not used anymore - completely replaced by VBO.
This commit is contained in:
Martin Gräßlin
Marco Martin
parent
5cbd1d458b
commit
9814a8e81b
2 changed files with 0 additions and 157 deletions
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@ -170,125 +170,6 @@ int nearestPowerOfTwo(int x)
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return 1 << last;
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}
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void renderGLGeometry(int count, const float* vertices, const float* texture, const float* color,
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int dim, int stride)
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{
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return renderGLGeometry(infiniteRegion(), count, vertices, texture, color, dim, stride);
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}
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void renderGLGeometry(const QRegion& region, int count,
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const float* vertices, const float* texture, const float* color,
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int dim, int stride)
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{
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#ifdef KWIN_HAVE_OPENGLES
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Q_UNUSED(region)
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Q_UNUSED(count)
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Q_UNUSED(vertices)
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Q_UNUSED(texture)
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Q_UNUSED(color)
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Q_UNUSED(dim)
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Q_UNUSED(stride)
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#else
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// Using arrays only makes sense if we have larger number of vertices.
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// Otherwise overhead of enabling/disabling them is too big.
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bool use_arrays = (count > 5);
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if (use_arrays) {
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glPushAttrib(GL_ENABLE_BIT);
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glPushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
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// Enable arrays
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glEnableClientState(GL_VERTEX_ARRAY);
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glVertexPointer(dim, GL_FLOAT, stride, vertices);
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if (texture != NULL) {
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glTexCoordPointer(2, GL_FLOAT, stride, texture);
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}
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if (color != NULL) {
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glEnableClientState(GL_COLOR_ARRAY);
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glColorPointer(4, GL_FLOAT, stride, color);
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}
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}
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// Clip using scissoring
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if (!effects->isRenderTargetBound()) {
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PaintClipper pc(region);
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for (PaintClipper::Iterator iterator;
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!iterator.isDone();
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iterator.next()) {
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if (use_arrays)
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glDrawArrays(GL_QUADS, 0, count);
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else
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renderGLGeometryImmediate(count, vertices, texture, color, dim, stride);
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}
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} else {
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if (use_arrays)
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glDrawArrays(GL_QUADS, 0, count);
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else
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renderGLGeometryImmediate(count, vertices, texture, color, dim, stride);
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}
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if (use_arrays) {
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glPopClientAttrib();
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glPopAttrib();
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}
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#endif
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}
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void renderGLGeometryImmediate(int count, const float* vertices, const float* texture, const float* color,
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int dim, int stride)
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{
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#ifdef KWIN_HAVE_OPENGLES
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Q_UNUSED(count)
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Q_UNUSED(vertices)
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Q_UNUSED(texture)
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Q_UNUSED(color)
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Q_UNUSED(dim)
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Q_UNUSED(stride)
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#else
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// Find out correct glVertex*fv function according to dim parameter.
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void (*glVertexFunc)(const float*) = glVertex2fv;
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if (dim == 3)
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glVertexFunc = glVertex3fv;
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else if (dim == 4)
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glVertexFunc = glVertex4fv;
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// These are number of _floats_ per item, not _bytes_ per item as opengl uses.
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int vsize, tsize, csize;
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vsize = tsize = csize = stride / sizeof(float);
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if (!stride) {
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// 0 means that arrays are tightly packed. This gives us different
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// strides for different arrays
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vsize = dim;
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tsize = 2;
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csize = 4;
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}
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glBegin(GL_QUADS);
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// This sucks. But makes it faster.
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if (texture && color) {
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for (int i = 0; i < count; i++) {
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glTexCoord2fv(texture + i * tsize);
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glColor4fv(color + i * csize);
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glVertexFunc(vertices + i * vsize);
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}
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} else if (texture) {
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for (int i = 0; i < count; i++) {
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glTexCoord2fv(texture + i * tsize);
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glVertexFunc(vertices + i * vsize);
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}
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} else if (color) {
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for (int i = 0; i < count; i++) {
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glColor4fv(color + i * csize);
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glVertexFunc(vertices + i * vsize);
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}
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} else {
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for (int i = 0; i < count; i++)
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glVertexFunc(vertices + i * vsize);
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}
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glEnd();
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#endif
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}
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void addQuadVertices(QVector<float>& verts, float x1, float y1, float x2, float y2)
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{
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verts << x1 << y1;
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@ -85,44 +85,6 @@ inline bool KWIN_EXPORT isPowerOfTwo(int x)
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**/
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int KWIN_EXPORT nearestPowerOfTwo(int x);
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/**
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* Renders quads using given vertices.
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* If texture is not 0, each texture coordinate much have two components (st).
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* If color is not 0, each color much have four components (rgba).
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* Note that texture coordinates must match texture type (normalized/unnormalized
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* for GL_TEXTURE_2D/GL_TEXTURE_ARB).
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*
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* In OpenGL ES this method is a no-op.
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*
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* @param count number of vertices to use.
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* @param dim number of components per vertex coordinate in vertices array.
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* @param stride byte offset of consecutive elements in arrays. If 0, then
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* arrays must be tighly packed. Stride must be a multiple of sizeof(float)!
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* @deprecated Use GLVertexBuffer
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* @see GLVertexBuffer
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**/
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KWIN_EXPORT void renderGLGeometry(const QRegion& region, int count,
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const float* vertices, const float* texture = 0, const float* color = 0,
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int dim = 2, int stride = 0);
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/**
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* Same as above, renders without specified region
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* @deprecated Use GLVertexBuffer
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* @see GLVertexBuffer
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**/
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KWIN_EXPORT void renderGLGeometry(int count,
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const float* vertices, const float* texture = 0, const float* color = 0,
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int dim = 2, int stride = 0);
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/**
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* In OpenGL ES this method is a no-op.
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*
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* @deprecated Use GLVertexBuffer
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* @see GLVertexBuffer
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**/
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KWIN_EXPORT void renderGLGeometryImmediate(int count,
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const float* vertices, const float* texture = 0, const float* color = 0,
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int dim = 2, int stride = 0);
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/**
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* @deprecated Quads are not available in OpenGL ES
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**/
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