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- some smaller rendering improvements to surface render

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This commit is contained in:
Mark Vejvoda 2011-02-08 07:35:37 +00:00
parent 01de8700ec
commit a2b9ca9e18
1 changed files with 54 additions and 1 deletions
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55
source/glest_game/graphics/renderer.cpp
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@ -1815,6 +1815,13 @@ void Renderer::renderSurface(const int renderFps) {
if(useVertexArrayRendering == false) {
//printf("\LEGACY qCache.visibleScaledCellList.size() = %d \n",qCache.visibleScaledCellList.size());
Vec2f texCoords[4];
Vec2f texCoordsSurface[4];
Vec3f vertices[4];
Vec3f normals[4];
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
for(int visibleIndex = 0;
visibleIndex < qCache.visibleScaledCellList.size(); ++visibleIndex) {
Vec2i &pos = qCache.visibleScaledCellList[visibleIndex];
@ -1847,11 +1854,52 @@ void Renderer::renderSurface(const int renderFps) {
currTex= static_cast<const Texture2DGl*>(tc00->getSurfaceTexture())->getHandle();
if(currTex != lastTex) {
lastTex = currTex;
glBindTexture(GL_TEXTURE_2D, lastTex);
//glBindTexture(GL_TEXTURE_2D, lastTex);
}
const Vec2f &surfCoord= tc00->getSurfTexCoord();
texCoords[0] = tc01->getFowTexCoord();
texCoordsSurface[0] = Vec2f(surfCoord.x, surfCoord.y + coordStep);
vertices[0] = tc01->getVertex();
normals[0] = tc01->getNormal();;
texCoords[1] = tc00->getFowTexCoord();
texCoordsSurface[1] = Vec2f(surfCoord.x, surfCoord.y);
vertices[1] = tc00->getVertex();
normals[1] = tc00->getNormal();
texCoords[2] = tc11->getFowTexCoord();
texCoordsSurface[2] = Vec2f(surfCoord.x+coordStep, surfCoord.y+coordStep);
vertices[2] = tc11->getVertex();
normals[2] = tc11->getNormal();
texCoords[3] = tc10->getFowTexCoord();
texCoordsSurface[3] = Vec2f(surfCoord.x+coordStep, surfCoord.y);
vertices[3] = tc10->getVertex();
normals[3] = tc10->getNormal();
//glBindTexture(GL_TEXTURE_2D, static_cast<const Texture2DGl*>(fowTex)->getHandle());
glClientActiveTexture(fowTexUnit);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0,&texCoords[0]);
glBindTexture(GL_TEXTURE_2D, lastTex);
glClientActiveTexture(baseTexUnit);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, &texCoordsSurface[0]);
glVertexPointer(3, GL_FLOAT, 0, &vertices[0]);
glNormalPointer(GL_FLOAT, 0, &normals[0]);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glClientActiveTexture(fowTexUnit);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glClientActiveTexture(baseTexUnit);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
/*
glBegin(GL_TRIANGLE_STRIP);
//draw quad using immediate mode
@ -1876,7 +1924,12 @@ void Renderer::renderSurface(const int renderFps) {
glVertex3fv(tc10->getVertex().ptr());
glEnd();
*/
}
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
}
else {
int lastSurfaceDataIndex = -1;