GLRenderer: avoid useless glActiveTexture calls
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@ -1432,7 +1432,7 @@ public class GLRenderer implements Renderer {
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// NOTE: For depth textures, sets nearest/no-mips mode
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// Required to fix "framebuffer unsupported"
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// for old NVIDIA drivers!
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setupTextureParams(tex);
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setupTextureParams(0, tex);
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}
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glfbo.glFramebufferTexture2DEXT(GLFbo.GL_FRAMEBUFFER_EXT,
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@ -1816,7 +1816,7 @@ public class GLRenderer implements Renderer {
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}
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@SuppressWarnings("fallthrough")
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private void setupTextureParams(Texture tex) {
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private void setupTextureParams(int unit, Texture tex) {
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Image image = tex.getImage();
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int target = convertTextureType(tex.getType(), image != null ? image.getMultiSamples() : 1, -1);
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@ -1829,20 +1829,23 @@ public class GLRenderer implements Renderer {
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// filter things
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if (image.getLastTextureState().magFilter != tex.getMagFilter()) {
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int magFilter = convertMagFilter(tex.getMagFilter());
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bindTextureAndUnit(target, image, unit);
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gl.glTexParameteri(target, GL.GL_TEXTURE_MAG_FILTER, magFilter);
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image.getLastTextureState().magFilter = tex.getMagFilter();
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}
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if (image.getLastTextureState().minFilter != tex.getMinFilter()) {
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int minFilter = convertMinFilter(tex.getMinFilter(), haveMips);
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bindTextureAndUnit(target, image, unit);
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gl.glTexParameteri(target, GL.GL_TEXTURE_MIN_FILTER, minFilter);
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image.getLastTextureState().minFilter = tex.getMinFilter();
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}
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if (tex.getAnisotropicFilter() > 1) {
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if (caps.contains(Caps.TextureFilterAnisotropic)) {
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gl.glTexParameterf(target,
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GLExt.GL_TEXTURE_MAX_ANISOTROPY_EXT,
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tex.getAnisotropicFilter());
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}
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if (caps.contains(Caps.TextureFilterAnisotropic)
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&& image.getLastTextureState().anisoFilter != tex.getAnisotropicFilter()) {
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bindTextureAndUnit(target, image, unit);
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gl.glTexParameterf(target,
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GLExt.GL_TEXTURE_MAX_ANISOTROPY_EXT,
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tex.getAnisotropicFilter());
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image.getLastTextureState().anisoFilter = tex.getAnisotropicFilter();
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}
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// repeat modes
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@ -1850,6 +1853,7 @@ public class GLRenderer implements Renderer {
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case ThreeDimensional:
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case CubeMap: // cubemaps use 3D coords
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if (gl2 != null && image.getLastTextureState().rWrap != tex.getWrap(WrapAxis.R)) {
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bindTextureAndUnit(target, image, unit);
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gl2.glTexParameteri(target, GL2.GL_TEXTURE_WRAP_R, convertWrapMode(tex.getWrap(WrapAxis.R)));
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image.getLastTextureState().rWrap = tex.getWrap(WrapAxis.R);
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}
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@ -1857,10 +1861,12 @@ public class GLRenderer implements Renderer {
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case TwoDimensional:
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case TwoDimensionalArray:
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if (image.getLastTextureState().tWrap != tex.getWrap(WrapAxis.T)) {
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bindTextureAndUnit(target, image, unit);
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gl.glTexParameteri(target, GL.GL_TEXTURE_WRAP_T, convertWrapMode(tex.getWrap(WrapAxis.T)));
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image.getLastTextureState().tWrap = tex.getWrap(WrapAxis.T);
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}
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if (image.getLastTextureState().sWrap != tex.getWrap(WrapAxis.S)) {
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bindTextureAndUnit(target, image, unit);
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gl.glTexParameteri(target, GL.GL_TEXTURE_WRAP_S, convertWrapMode(tex.getWrap(WrapAxis.S)));
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image.getLastTextureState().sWrap = tex.getWrap(WrapAxis.S);
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}
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@ -1869,9 +1875,10 @@ public class GLRenderer implements Renderer {
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throw new UnsupportedOperationException("Unknown texture type: " + tex.getType());
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}
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if(tex.isNeedCompareModeUpdate() && gl2 != null){
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if (tex.isNeedCompareModeUpdate() && gl2 != null) {
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// R to Texture compare mode
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if (tex.getShadowCompareMode() != Texture.ShadowCompareMode.Off) {
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bindTextureAndUnit(target, image, unit);
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gl2.glTexParameteri(target, GL2.GL_TEXTURE_COMPARE_MODE, GL2.GL_COMPARE_R_TO_TEXTURE);
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gl2.glTexParameteri(target, GL2.GL_DEPTH_TEXTURE_MODE, GL2.GL_INTENSITY);
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if (tex.getShadowCompareMode() == Texture.ShadowCompareMode.GreaterOrEqual) {
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@ -1879,12 +1886,16 @@ public class GLRenderer implements Renderer {
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} else {
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gl2.glTexParameteri(target, GL2.GL_TEXTURE_COMPARE_FUNC, GL.GL_LEQUAL);
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}
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}else{
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} else {
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bindTextureAndUnit(target, image, unit);
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//restoring default value
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gl2.glTexParameteri(target, GL2.GL_TEXTURE_COMPARE_MODE, GL.GL_NONE);
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}
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tex.compareModeUpdated();
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}
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// If at this point we didn't bind the texture, bind it now
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bindTextureOnly(target, image, unit);
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}
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/**
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@ -1964,6 +1975,28 @@ public class GLRenderer implements Renderer {
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}
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}
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/**
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* Ensures that the texture is bound to the given unit,
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* but does not care if the unit is active (for rendering).
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*
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* @param target The texture target, one of GL_TEXTURE_***
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* @param img The image texture to bind
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* @param unit At what unit to bind the texture.
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*/
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private void bindTextureOnly(int target, Image img, int unit) {
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if (context.boundTextures[unit] != img) {
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if (context.boundTextureUnit != unit) {
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gl.glActiveTexture(GL.GL_TEXTURE0 + unit);
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context.boundTextureUnit = unit;
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}
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gl.glBindTexture(target, img.getId());
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context.boundTextures[unit] = img;
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statistics.onTextureUse(img, true);
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} else {
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statistics.onTextureUse(img, false);
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}
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}
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/**
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* Uploads the given image to the GL driver.
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*
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@ -1985,7 +2018,7 @@ public class GLRenderer implements Renderer {
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statistics.onNewTexture();
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}
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// bind texture
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// bind texture
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int target = convertTextureType(type, img.getMultiSamples(), -1);
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bindTextureAndUnit(target, img, unit);
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@ -2123,9 +2156,7 @@ public class GLRenderer implements Renderer {
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int texId = image.getId();
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assert texId != -1;
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int target = convertTextureType(tex.getType(), image.getMultiSamples(), -1);
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bindTextureAndUnit(target, image, unit);
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setupTextureParams(tex);
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setupTextureParams(unit, tex);
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}
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public void modifyTexture(Texture tex, Image pixels, int x, int y) {
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@ -45,6 +45,7 @@ public final class LastTextureState {
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public Texture.WrapMode sWrap, tWrap, rWrap;
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public Texture.MagFilter magFilter;
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public Texture.MinFilter minFilter;
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public int anisoFilter = 0;
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public LastTextureState() {
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// All parameters initialized to null (meaning unset).
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@ -56,5 +57,6 @@ public final class LastTextureState {
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rWrap = null;
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magFilter = null;
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minFilter = null;
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anisoFilter = 0;
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}
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}
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