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keep track of GL_BLEND state: GLState.blend(enable)

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This commit is contained in:
Hannes Janetzek 2013-01-31 07:36:32 +01:00
parent f442395a11
commit e99a4279bf
8 changed files with 34 additions and 48 deletions
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4
src/org/oscim/renderer/BaseMap.java
View File

@ -15,7 +15,6 @@
package org.oscim.renderer;
import static android.opengl.GLES20.GL_ARRAY_BUFFER;
import static android.opengl.GLES20.GL_BLEND;
import static android.opengl.GLES20.glStencilMask;
import static org.oscim.generator.JobTile.STATE_READY;
@ -130,7 +129,6 @@ public class BaseMap {
switch (l.type) {
case Layer.POLYGON:
GLES20.glDisable(GL_BLEND);
l = PolygonRenderer.draw(pos, l, mvp, !clipped, true);
clipped = true;
break;
@ -140,8 +138,6 @@ public class BaseMap {
PolygonRenderer.draw(pos, null, mvp, true, true);
clipped = true;
}
GLES20.glEnable(GL_BLEND);
l = LineRenderer.draw(pos, l, mvp, div, simpleShader,
t.layers.lineOffset);
break;

8
src/org/oscim/renderer/GLRenderer.java
View File

@ -15,7 +15,6 @@
package org.oscim.renderer;
import static android.opengl.GLES20.GL_ARRAY_BUFFER;
import static android.opengl.GLES20.GL_BLEND;
import static android.opengl.GLES20.GL_DYNAMIC_DRAW;
import static android.opengl.GLES20.GL_ONE;
import static android.opengl.GLES20.GL_ONE_MINUS_SRC_ALPHA;
@ -452,14 +451,7 @@ public class GLRenderer implements GLSurfaceView.Renderer {
/* draw base layer */
BaseMap.draw(tiles, tileCnt, pos);
// start drawing while overlays uploading textures, etc
//GLES20.glFlush();
/* draw overlays */
//GLState.blend(true);
GLES20.glEnable(GL_BLEND);
for (int i = 0, n = overlays.size(); i < n; i++) {
RenderOverlay renderOverlay = overlays.get(i);

4
src/org/oscim/renderer/GLState.java
View File

@ -47,15 +47,15 @@ public class GLState {
}
}
// TODO
public static void blend(boolean enable) {
if (blend == enable)
return;
if (blend)
if (enable)
GLES20.glEnable(GLES20.GL_BLEND);
else
GLES20.glDisable(GLES20.GL_BLEND);
blend = enable;
}
public static void test(boolean depthTest, boolean stencilTest) {

2
src/org/oscim/renderer/LineRenderer.java
View File

@ -118,6 +118,8 @@ public final class LineRenderer {
if (layer == null)
return null;
GLState.blend(true);
GLState.useProgram(lineProgram[mode]);
int uLineScale = hLineScale[mode];

57
src/org/oscim/renderer/PolygonRenderer.java
View File

@ -15,7 +15,6 @@
package org.oscim.renderer;
import static android.opengl.GLES20.GL_ALWAYS;
import static android.opengl.GLES20.GL_BLEND;
import static android.opengl.GLES20.GL_EQUAL;
import static android.opengl.GLES20.GL_INVERT;
import static android.opengl.GLES20.GL_SHORT;
@ -23,9 +22,7 @@ import static android.opengl.GLES20.GL_TRIANGLE_FAN;
import static android.opengl.GLES20.GL_TRIANGLE_STRIP;
import static android.opengl.GLES20.glColorMask;
import static android.opengl.GLES20.glDepthMask;
import static android.opengl.GLES20.glDisable;
import static android.opengl.GLES20.glDrawArrays;
import static android.opengl.GLES20.glEnable;
import static android.opengl.GLES20.glGetAttribLocation;
import static android.opengl.GLES20.glGetUniformLocation;
import static android.opengl.GLES20.glStencilFunc;
@ -87,7 +84,6 @@ public final class PolygonRenderer {
}
private static void fillPolygons(int zoom, float scale) {
boolean blend = false;
/* draw to framebuffer */
glColorMask(true, true, true, false);
@ -98,36 +94,35 @@ public final class PolygonRenderer {
for (int c = mStart; c < mCount; c++) {
PolygonLayer l = mFillPolys[c];
float f = 1.0f;
if (l.area.fade >= zoom || l.area.color[3] != 1.0) {
if (l.area.fade >= zoom) {
float f = 1.0f;
/* fade in/out || draw alpha color */
if (l.area.fade >= zoom) {
f = (scale > FADE_START ? scale : FADE_START) - f;
if (scale > FADE_START)
f = scale - 1;
else
f = FADE_START - 1;
}
GLState.blend(true);
}
if (!blend) {
glEnable(GL_BLEND);
blend = true;
}
if (f != 1) {
f = (f > 1 ? 1 : f) * l.area.color[3];
GlUtils.setColor(hPolygonColor, l.area.color, f);
if (f < 1) {
GlUtils.setColor(hPolygonColor, l.area.color,
f * l.area.color[3]);
} else {
glUniform4fv(hPolygonColor, 1, l.area.color, 0);
}
} else if (l.area.blend == zoom) {
/* blend colors */
f = scale - 1.0f;
GlUtils.setBlendColors(hPolygonColor,
l.area.color, l.area.blendColor, f);
l.area.color, l.area.blendColor, scale - 1.0f);
} else {
/* draw solid */
if (blend) {
glDisable(GL_BLEND);
blend = false;
if (l.area.color[3] != 1.0) {
GLState.blend(true);
} else {
GLState.blend(false);
}
if (l.area.blend <= zoom && l.area.blend > 0)
if (l.area.blend < zoom && l.area.blend > 0)
glUniform4fv(hPolygonColor, 1, l.area.blendColor, 0);
else
glUniform4fv(hPolygonColor, 1, l.area.color, 0);
@ -141,9 +136,6 @@ public final class PolygonRenderer {
/* draw tile fill coordinates */
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
if (blend)
glDisable(GL_BLEND);
}
// layers to fill
@ -151,8 +143,6 @@ public final class PolygonRenderer {
// stencil buffer index to start fill
private static int mStart;
//private final static boolean drawBackground = false;
/**
* draw polygon layers (unil layer.next is not polygon layer)
* using stencil buffer method
@ -209,6 +199,7 @@ public final class PolygonRenderer {
// op for stencil method polygon drawing
glStencilOp(GLES20.GL_KEEP, GLES20.GL_KEEP, GL_INVERT);
GLState.blend(false);
}
mFillPolys[mCount] = pl;
@ -248,8 +239,14 @@ public final class PolygonRenderer {
* @param first ...
*/
static void drawStencilRegion(boolean clip, boolean first) {
GLState.useProgram(polygonProgram);
//if (!first && clip) {
// // only clear 'layer-bits'
// glStencilMask(0x7F);
// GLES20.glClear(GLES20.GL_STENCIL_BUFFER_BIT);
// glColorMask(false, false, false, false);
// glStencilFunc(GL_EQUAL, CLIP_BIT, CLIP_BIT);
// return;
//}
// disable drawing to framebuffer (will be re-enabled in fill)
glColorMask(false, false, false, false);

4
src/org/oscim/renderer/TextureRenderer.java
View File

@ -91,8 +91,8 @@ public final class TextureRenderer {
public static Layer draw(Layer layer, float scale, float[] projection, float matrix[]) {
GLState.test(false, false);
GLES20.glEnable(GLES20.GL_BLEND);
// GlUtils.checkGlError("draw texture >");
GLState.blend(true);
GLState.useProgram(mTextureProgram);
GLState.enableVertexArrays(hTextureTexCoord, hTextureVertex);

2
src/org/oscim/renderer/overlays/BasicOverlay.java
View File

@ -58,10 +58,8 @@ public abstract class BasicOverlay extends RenderOverlay {
for (Layer l = layers.layers; l != null;) {
if (l.type == Layer.POLYGON) {
GLES20.glDisable(GLES20.GL_BLEND);
l = PolygonRenderer.draw(pos, l, mvp, true, false);
} else {
GLES20.glEnable(GLES20.GL_BLEND);
l = LineRenderer.draw(pos, l, mvp, div, 0, layers.lineOffset);
}
}

1
src/org/oscim/renderer/overlays/ExtrusionOverlay.java
View File

@ -261,6 +261,7 @@ public class ExtrusionOverlay extends RenderOverlay {
GLState.enableVertexArrays(uExtVertexPosition, uExtLightPosition);
GLES20.glColorMask(true, true, true, true);
GLES20.glDepthMask(false);
GLState.blend(true);
for (int i = 0; i < mTileCnt; i++) {
MapTile t = tiles[i];