(int id, int texW, int texH,
int viewX, int viewY, int viewW, int viewH, int viewF,
int texX0, int texY0, int texX1, int texY1,
int scrX0, int scrY0, int scrX1, int scrY1)
| 1362 | |
| 1363 | |
| 1364 | protected void drawTexture2D(int id, int texW, int texH, |
| 1365 | int viewX, int viewY, int viewW, int viewH, int viewF, |
| 1366 | int texX0, int texY0, int texX1, int texY1, |
| 1367 | int scrX0, int scrY0, int scrX1, int scrY1) { |
| 1368 | PGL ppgl = initTex2DShader(); |
| 1369 | |
| 1370 | if (0 < ppgl.tex2DShaderProgram) { |
| 1371 | // The texture overwrites anything drawn earlier. |
| 1372 | boolean depthTest = getDepthTest(); |
| 1373 | disable(DEPTH_TEST); |
| 1374 | |
| 1375 | // When drawing the texture we don't write to the |
| 1376 | // depth mask, so the texture remains in the background |
| 1377 | // and can be occluded by anything drawn later, even if |
| 1378 | // if it is behind it. |
| 1379 | boolean depthMask = getDepthWriteMask(); |
| 1380 | depthMask(false); |
| 1381 | |
| 1382 | // Making sure that the viewport matches the provided screen dimensions |
| 1383 | viewBuffer.rewind(); |
| 1384 | getIntegerv(VIEWPORT, viewBuffer); |
| 1385 | viewportImpl(viewF * viewX, viewF * viewY, viewF * viewW, viewF * viewH); |
| 1386 | |
| 1387 | useProgram(ppgl.tex2DShaderProgram); |
| 1388 | |
| 1389 | enableVertexAttribArray(ppgl.tex2DVertLoc); |
| 1390 | enableVertexAttribArray(ppgl.tex2DTCoordLoc); |
| 1391 | |
| 1392 | // Vertex coordinates of the textured quad are specified |
| 1393 | // in normalized screen space (-1, 1): |
| 1394 | // Corner 1 |
| 1395 | texCoords[ 0] = 2 * (float)scrX0 / viewW - 1; |
| 1396 | texCoords[ 1] = 2 * (float)scrY0 / viewH - 1; |
| 1397 | texCoords[ 2] = (float)texX0 / texW; |
| 1398 | texCoords[ 3] = (float)texY0 / texH; |
| 1399 | // Corner 2 |
| 1400 | texCoords[ 4] = 2 * (float)scrX1 / viewW - 1; |
| 1401 | texCoords[ 5] = 2 * (float)scrY0 / viewH - 1; |
| 1402 | texCoords[ 6] = (float)texX1 / texW; |
| 1403 | texCoords[ 7] = (float)texY0 / texH; |
| 1404 | // Corner 3 |
| 1405 | texCoords[ 8] = 2 * (float)scrX0 / viewW - 1; |
| 1406 | texCoords[ 9] = 2 * (float)scrY1 / viewH - 1; |
| 1407 | texCoords[10] = (float)texX0 / texW; |
| 1408 | texCoords[11] = (float)texY1 / texH; |
| 1409 | // Corner 4 |
| 1410 | texCoords[12] = 2 * (float)scrX1 / viewW - 1; |
| 1411 | texCoords[13] = 2 * (float)scrY1 / viewH - 1; |
| 1412 | texCoords[14] = (float)texX1 / texW; |
| 1413 | texCoords[15] = (float)texY1 / texH; |
| 1414 | |
| 1415 | texData.rewind(); |
| 1416 | texData.put(texCoords); |
| 1417 | |
| 1418 | activeTexture(TEXTURE0); |
| 1419 | boolean enabledTex = false; |
| 1420 | if (!texturingIsEnabled(TEXTURE_2D)) { |
| 1421 | enableTexturing(TEXTURE_2D); |
no test coverage detected