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Merge change 21831 into eclair

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* changes:
  Add reflections to the water
This commit is contained in:
Android (Google) Code Review
2009-08-18 17:22:02 -07:00
parent d06aa4fdc5 15b2969818
commit 6c8dd9841f
3 changed files with 49 additions and 29 deletions
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libs/rs/java/Fall/res/drawable-hdpi/sky.jpg Normal file
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Width:  |  Height:  |  Size: 95 KiB

53
libs/rs/java/Fall/res/raw/fall.c
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@@ -13,7 +13,7 @@
// limitations under the License.
#pragma version(1)
#pragma stateVertex(PVBackground)
#pragma stateVertex(PVLines)
#pragma stateFragment(PFBackground)
#pragma stateFragmentStore(PFSBackground)
@@ -66,15 +66,15 @@ int offset(int x, int y, int width) {
return x + 1 + (y + 1) * (width + 2);
}
void drop(int x, int y, int r) {
void dropWithStrength(int x, int y, int r, int s) {
int width = loadI32(RSID_STATE, RSID_MESH_WIDTH);
int height = loadI32(RSID_STATE, RSID_MESH_HEIGHT);
if (x < r) x = r;
if (y < r) y = r;
if (x >= width - r) x = width - r - 1;
if (y >= height - r) x = height - r - 1;
if (y >= height - r) y = height - r - 1;
x = width - x;
int rippleMapSize = loadI32(RSID_STATE, RSID_RIPPLE_MAP_SIZE);
@@ -93,7 +93,7 @@ void drop(int x, int y, int r) {
for ( ; w < r; w++) {
int squ = w * w;
if (squ + sqv < sqr) {
int v = -sqrtf((sqr - (squ + sqv)) << 16);
int v = -sqrtf((sqr - (squ + sqv)) << 16) / s;
current[yn + x + w] = v;
current[yp + x + w] = v;
current[yn + x - w] = v;
@@ -103,6 +103,10 @@ void drop(int x, int y, int r) {
}
}
void drop(int x, int y, int r) {
dropWithStrength(x, y, r, 1);
}
void updateRipples() {
int rippleMapSize = loadI32(RSID_STATE, RSID_RIPPLE_MAP_SIZE);
int width = loadI32(RSID_STATE, RSID_MESH_WIDTH);
@@ -134,8 +138,7 @@ void updateRipples() {
}
}
int refraction(int d, int wave) {
int* map = loadArrayI32(RSID_REFRACTION_MAP, 0);
int refraction(int d, int wave, int *map) {
int i = d;
if (i < 0) i = -i;
if (i > 512) i = 512;
@@ -158,6 +161,7 @@ void generateRipples() {
int b = width + 2;
int* current = loadArrayI32(RSID_RIPPLE_MAP, index * rippleMapSize + origin);
int *map = loadArrayI32(RSID_REFRACTION_MAP, 0);
float *vertices = loadTriangleMeshVerticesF(NAMED_mesh);
int h = height - 1;
@@ -170,12 +174,12 @@ void generateRipples() {
int dx = nextWave - wave;
int dy = current[b] - wave;
int offsetx = refraction(dx, wave) >> 16;
int offsetx = refraction(dx, wave, map) >> 16;
int u = (width - w) + offsetx;
u &= ~(u >> 31);
if (u >= width) u = width - 1;
int offsety = refraction(dy, wave) >> 16;
int offsety = refraction(dy, wave, map) >> 16;
int v = (height - h) + offsety;
v &= ~(v >> 31);
if (v >= height) v = height - 1;
@@ -324,7 +328,7 @@ float averageZ(float x1, float x2, float y1, float y2, float* vertices,
}
}
return 75.0f * z / vertexCount;
return 55.0f * z / vertexCount;
}
void drawLeaf(int index, int frameCount, float* vertices, int meshWidth, int meshHeight,
@@ -389,6 +393,10 @@ void drawLeaf(int index, int frameCount, float* vertices, int meshWidth, int mes
spin /= 4.0f;
leafStruct[LEAF_STRUCT_SPIN] = spin;
leafStruct[LEAF_STRUCT_RIPPLED] = 1.0f;
} else {
dropWithStrength(((x + glWidth / 2.0f) / glWidth) * meshWidth,
meshHeight - ((y + glHeight / 2.0f) / glHeight) * meshHeight,
2, 5);
}
leafStruct[LEAF_STRUCT_X] = x + leafStruct[LEAF_STRUCT_DELTAX];
leafStruct[LEAF_STRUCT_Y] = y + leafStruct[LEAF_STRUCT_DELTAY];
@@ -411,15 +419,15 @@ void drawLeaf(int index, int frameCount, float* vertices, int meshWidth, int mes
leafStruct[LEAF_STRUCT_SPIN] = degf(randf2(-0.02f, 0.02f)) / 4.0f;
leafStruct[LEAF_STRUCT_U1] = sprite / (float) LEAVES_TEXTURES_COUNT;
leafStruct[LEAF_STRUCT_U2] = (sprite + 1) / (float) LEAVES_TEXTURES_COUNT;
leafStruct[LEAF_STRUCT_DELTAX] = randf2(-0.02f, 0.02f) / 100.0f;
leafStruct[LEAF_STRUCT_DELTAY] = -0.08f * randf2(0.9f, 1.1f) / 100.0f;
leafStruct[LEAF_STRUCT_DELTAX] = randf2(-0.02f, 0.02f) / 60.0f;
leafStruct[LEAF_STRUCT_DELTAY] = -0.08f * randf2(0.9f, 1.1f) / 60.0f;
}
}
void drawLeaves(int frameCount) {
bindProgramFragment(NAMED_PFLeaf);
bindProgramFragment(NAMED_PFBackground);
bindProgramFragmentStore(NAMED_PFSLeaf);
bindTexture(NAMED_PFLeaf, 0, NAMED_TLeaves);
bindTexture(NAMED_PFBackground, 0, NAMED_TLeaves);
int leavesCount = loadI32(RSID_STATE, RSID_LEAVES_COUNT);
int count = leavesCount * LEAF_STRUCT_FIELDS_COUNT;
@@ -434,6 +442,10 @@ void drawLeaves(int frameCount) {
for ( ; i < count; i += LEAF_STRUCT_FIELDS_COUNT) {
drawLeaf(i, frameCount, vertices, width, height, glWidth, glHeight);
}
float matrix[16];
matrixLoadIdentity(matrix);
vpLoadModelMatrix(matrix);
}
int main(int index) {
@@ -454,20 +466,25 @@ int main(int index) {
updateTriangleMesh(NAMED_mesh);
}
float matrix[16];
matrixLoadIdentity(matrix);
vpLoadModelMatrix(matrix);
bindTexture(NAMED_PFBackground, 0, NAMED_TRiverbed);
drawTriangleMesh(NAMED_mesh);
color(1.0f, 1.0f, 1.0f, 0.7f);
bindProgramFragment(NAMED_PFSky);
bindProgramFragmentStore(NAMED_PFSLeaf);
bindTexture(NAMED_PFSky, 0, NAMED_TSky);
drawTriangleMesh(NAMED_mesh);
ambient(0.0f, 0.0f, 0.0f, 1.0f);
diffuse(0.0f, 0.0f, 0.0f, 1.0f);
specular(0.44f, 0.44f, 0.44f, 1.0f);
shininess(40.0f);
bindProgramFragmentStore(NAMED_PFSBackground);
bindProgramFragment(NAMED_PFLighting);
bindProgramVertex(NAMED_PVBackground);
drawTriangleMesh(NAMED_mesh);
bindProgramVertex(NAMED_PVLines);
drawLeaves(frameCount);
if (!isRunning) {

25
libs/rs/java/Fall/src/com/android/fall/rs/FallRS.java
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@@ -55,10 +55,11 @@ class FallRS {
private static final int RSID_STATE_RUNNING = 9;
private static final int RSID_STATE_LEAVES_COUNT = 10;
private static final int TEXTURES_COUNT = 2;
private static final int TEXTURES_COUNT = 3;
private static final int LEAVES_TEXTURES_COUNT = 4;
private static final int RSID_TEXTURE_RIVERBED = 0;
private static final int RSID_TEXTURE_LEAVES = 1;
private static final int RSID_TEXTURE_SKY = 2;
private static final int RSID_RIPPLE_MAP = 1;
@@ -97,7 +98,7 @@ class FallRS {
private Sampler mSampler;
private ProgramFragment mPfBackground;
private ProgramFragment mPfLighting;
private ProgramFragment mPfLeaf;
private ProgramFragment mPfSky;
private ProgramStore mPfsBackground;
private ProgramStore mPfsLeaf;
private ProgramVertex mPvBackground;
@@ -151,7 +152,7 @@ class FallRS {
mPfLighting.destroy();
mLeaves.destroy();
mPfsLeaf.destroy();
mPfLeaf.destroy();
mPfSky.destroy();
mGlState.destroy();
}
@@ -275,6 +276,7 @@ class FallRS {
private void createRippleMap(int rippleMapSize) {
final int[] rippleMap = new int[rippleMapSize * 2];
mRippleMap = Allocation.createSized(mRS, USER_I32, rippleMap.length);
mRippleMap.data(rippleMap);
}
private void createGlState() {
@@ -314,8 +316,8 @@ class FallRS {
leaves[index + LEAF_STRUCT_U2] = (sprite + 1) / (float) LEAVES_TEXTURES_COUNT;
leaves[index + LEAF_STRUCT_ALTITUDE] = -1.0f;
leaves[index + LEAF_STRUCT_RIPPLED] = 1.0f;
leaves[index + LEAF_STRUCT_DELTAX] = random(-0.02f, 0.02f) / 100.0f;
leaves[index + LEAF_STRUCT_DELTAY] = -0.08f * random(0.9f, 1.1f) / 100.0f;
leaves[index + LEAF_STRUCT_DELTAX] = random(-0.02f, 0.02f) / 60.0f;
leaves[index + LEAF_STRUCT_DELTAY] = -0.08f * random(0.9f, 1.1f) / 60.0f;
}
private void loadTextures() {
@@ -324,6 +326,7 @@ class FallRS {
final Allocation[] textures = mTextures;
textures[RSID_TEXTURE_RIVERBED] = loadTexture(R.drawable.riverbed, "TRiverbed");
textures[RSID_TEXTURE_LEAVES] = loadTextureARGB(R.drawable.leaves, "TLeaves");
textures[RSID_TEXTURE_SKY] = loadTextureARGB(R.drawable.sky, "TSky");
final int count = textures.length;
for (int i = 0; i < count; i++) {
@@ -369,17 +372,17 @@ class FallRS {
builder = new ProgramFragment.Builder(mRS, null, null);
builder.setTexEnable(true, 0);
builder.setTexEnvMode(REPLACE, 0);
mPfLeaf = builder.create();
mPfLeaf.setName("PFLeaf");
mPfLeaf.bindSampler(mSampler, 0);
builder.setTexEnvMode(MODULATE, 0);
mPfSky = builder.create();
mPfSky.setName("PFSky");
mPfSky.bindSampler(mSampler, 0);
}
private void createProgramFragmentStore() {
ProgramStore.Builder builder = new ProgramStore.Builder(mRS, null, null);
builder.setDepthFunc(ALWAYS);
builder.setBlendFunc(BlendSrcFunc.ONE, BlendDstFunc.ONE);
builder.setDitherEnable(true);
builder.setDitherEnable(false);
builder.setDepthMask(true);
mPfsBackground = builder.create();
mPfsBackground.setName("PFSBackground");
@@ -387,7 +390,7 @@ class FallRS {
builder = new ProgramStore.Builder(mRS, null, null);
builder.setDepthFunc(ALWAYS);
builder.setBlendFunc(BlendSrcFunc.SRC_ALPHA, BlendDstFunc.ONE_MINUS_SRC_ALPHA);
builder.setDitherEnable(true);
builder.setDitherEnable(false);
builder.setDepthMask(true);
mPfsLeaf = builder.create();
mPfsLeaf.setName("PFSLeaf");