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-rw-r--r--libs/rs/scriptc/rs_math.rsh732
1 files changed, 152 insertions, 580 deletions
diff --git a/libs/rs/scriptc/rs_math.rsh b/libs/rs/scriptc/rs_math.rsh
index e44c051..8117ca8 100644
--- a/libs/rs/scriptc/rs_math.rsh
+++ b/libs/rs/scriptc/rs_math.rsh
@@ -1,308 +1,29 @@
-/** @file rs_math.rsh
- * \brief todo-jsams
- *
- * todo-jsams
- *
- */
-#ifndef __RS_MATH_RSH__
-#define __RS_MATH_RSH__
-
-
-
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_element *dst, rs_element src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_type *dst, rs_type src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_allocation *dst, rs_allocation src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_sampler *dst, rs_sampler src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_script *dst, rs_script src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_mesh *dst, rs_mesh src);
-/**
- * Copy reference to the specified object.
+/*
+ * Copyright (C) 2011 The Android Open Source Project
*
- * @param dst
- * @param src
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_program_fragment *dst, rs_program_fragment src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_program_vertex *dst, rs_program_vertex src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_program_raster *dst, rs_program_raster src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_program_store *dst, rs_program_store src);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSetObject(rs_font *dst, rs_font src);
-
-/**
- * Sets the object to NULL.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * @return bool
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_element *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_type *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_allocation *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_sampler *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_script *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_mesh *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_program_fragment *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_program_vertex *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_program_raster *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_program_store *dst);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsClearObject(rs_font *dst);
-
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_element);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_type);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_allocation);
-/**
- * Tests if the object is valid. Returns true if the object is valid, false if
- * it is NULL.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * @return bool
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
-extern bool __attribute__((overloadable))
- rsIsObject(rs_sampler);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_script);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_mesh);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_program_fragment);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_program_vertex);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_program_raster);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_program_store);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsIsObject(rs_font);
-
-
-/**
- * Returns the Allocation for a given pointer. The pointer should point within
- * a valid allocation. The results are undefined if the pointer is not from a
- * valid allocation.
- */
-extern rs_allocation __attribute__((overloadable))
- rsGetAllocation(const void *);
-
-/**
- * Query the dimension of an allocation.
- *
- * @return uint32_t The X dimension of the allocation.
- */
-extern uint32_t __attribute__((overloadable))
- rsAllocationGetDimX(rs_allocation);
-
-/**
- * Query the dimension of an allocation.
- *
- * @return uint32_t The Y dimension of the allocation.
- */
-extern uint32_t __attribute__((overloadable))
- rsAllocationGetDimY(rs_allocation);
-
-/**
- * Query the dimension of an allocation.
- *
- * @return uint32_t The Z dimension of the allocation.
- */
-extern uint32_t __attribute__((overloadable))
- rsAllocationGetDimZ(rs_allocation);
-
-/**
- * Query an allocation for the presence of more than one LOD.
- *
- * @return uint32_t Returns 1 if more than one LOD is present, 0 otherwise.
- */
-extern uint32_t __attribute__((overloadable))
- rsAllocationGetDimLOD(rs_allocation);
-
-/**
- * Query an allocation for the presence of more than one face.
- *
- * @return uint32_t Returns 1 if more than one face is present, 0 otherwise.
- */
-extern uint32_t __attribute__((overloadable))
- rsAllocationGetDimFaces(rs_allocation);
-
-/**
- * Copy part of an allocation from another allocation.
+/** @file rs_math.rsh
+ * \brief todo-jsams
*
- * @param dstAlloc Allocation to copy data into.
- * @param dstOff The offset of the first element to be copied in
- * the destination allocation.
- * @param dstMip Mip level in the destination allocation.
- * @param count The number of elements to be copied.
- * @param srcAlloc The source data allocation.
- * @param srcOff The offset of the first element in data to be
- * copied in the source allocation.
- * @param srcMip Mip level in the source allocation.
- */
-extern void __attribute__((overloadable))
- rsAllocationCopy1DRange(rs_allocation dstAlloc,
- uint32_t dstOff, uint32_t dstMip,
- uint32_t count,
- rs_allocation srcAlloc,
- uint32_t srcOff, uint32_t srcMip);
-
-/**
- * Copy a rectangular region into the allocation from another
- * allocation.
+ * todo-jsams
*
- * @param dstAlloc allocation to copy data into.
- * @param dstXoff X offset of the region to update in the
- * destination allocation.
- * @param dstYoff Y offset of the region to update in the
- * destination allocation.
- * @param dstMip Mip level in the destination allocation.
- * @param dstFace Cubemap face of the destination allocation,
- * ignored for allocations that aren't cubemaps.
- * @param width Width of the incoming region to update.
- * @param height Height of the incoming region to update.
- * @param srcAlloc The source data allocation.
- * @param srcXoff X offset in data of the source allocation.
- * @param srcYoff Y offset in data of the source allocation.
- * @param srcMip Mip level in the source allocation.
- * @param srcFace Cubemap face of the source allocation,
- * ignored for allocations that aren't cubemaps.
*/
-extern void __attribute__((overloadable))
- rsAllocationCopy2DRange(rs_allocation dstAlloc,
- uint32_t dstXoff, uint32_t dstYoff,
- uint32_t dstMip,
- rs_allocation_cubemap_face dstFace,
- uint32_t width, uint32_t height,
- rs_allocation srcAlloc,
- uint32_t srcXoff, uint32_t srcYoff,
- uint32_t srcMip,
- rs_allocation_cubemap_face srcFace);
+#ifndef __RS_MATH_RSH__
+#define __RS_MATH_RSH__
-/**
- * Extract a single element from an allocation.
- */
-extern const void * __attribute__((overloadable))
- rsGetElementAt(rs_allocation, uint32_t x);
-/**
- * \overload
- */
-extern const void * __attribute__((overloadable))
- rsGetElementAt(rs_allocation, uint32_t x, uint32_t y);
-/**
- * \overload
- */
-extern const void * __attribute__((overloadable))
- rsGetElementAt(rs_allocation, uint32_t x, uint32_t y, uint32_t z);
/**
* Return a random value between 0 (or min_value) and max_malue.
@@ -331,346 +52,197 @@ extern float __attribute__((overloadable))
extern float __attribute__((overloadable))
rsFrac(float);
-/**
- * Send a message back to the client. Will not block and returns true
- * if the message was sendable and false if the fifo was full.
- * A message ID is required. Data payload is optional.
- */
-extern bool __attribute__((overloadable))
- rsSendToClient(int cmdID);
-/**
- * \overload
- */
-extern bool __attribute__((overloadable))
- rsSendToClient(int cmdID, const void *data, uint len);
-/**
- * Send a message back to the client, blocking until the message is queued.
- * A message ID is required. Data payload is optional.
- */
-extern void __attribute__((overloadable))
- rsSendToClientBlocking(int cmdID);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsSendToClientBlocking(int cmdID, const void *data, uint len);
+/////////////////////////////////////////////////////
+// int ops
+/////////////////////////////////////////////////////
/**
- * Launch order hint for rsForEach calls. This provides a hint to the system to
- * determine in which order the root function of the target is called with each
- * cell of the allocation.
+ * Clamp the value amount between low and high.
*
- * This is a hint and implementations may not obey the order.
+ * @param amount The value to clamp
+ * @param low
+ * @param high
*/
-enum rs_for_each_strategy {
- RS_FOR_EACH_STRATEGY_SERIAL,
- RS_FOR_EACH_STRATEGY_DONT_CARE,
- RS_FOR_EACH_STRATEGY_DST_LINEAR,
- RS_FOR_EACH_STRATEGY_TILE_SMALL,
- RS_FOR_EACH_STRATEGY_TILE_MEDIUM,
- RS_FOR_EACH_STRATEGY_TILE_LARGE
-};
-
+_RS_RUNTIME uint __attribute__((overloadable, always_inline)) rsClamp(uint amount, uint low, uint high);
/**
- * Structure to provide extra information to a rsForEach call. Primarly used to
- * restrict the call to a subset of cells in the allocation.
+ * \overload
*/
-typedef struct rs_script_call {
- enum rs_for_each_strategy strategy;
- uint32_t xStart;
- uint32_t xEnd;
- uint32_t yStart;
- uint32_t yEnd;
- uint32_t zStart;
- uint32_t zEnd;
- uint32_t arrayStart;
- uint32_t arrayEnd;
-} rs_script_call_t;
-
-/**
- * Make a script to script call to launch work. One of the input or output is
- * required to be a valid object. The input and output must be of the same
- * dimensions.
- * API 10-13
- *
- * @param script The target script to call
- * @param input The allocation to source data from
- * @param output the allocation to write date into
- * @param usrData The user definied params to pass to the root script. May be
- * NULL.
- * @param sc Extra control infomation used to select a sub-region of the
- * allocation to be processed or suggest a walking strategy. May be
- * NULL.
- *
- * */
-#if !defined(RS_VERSION) || (RS_VERSION < 14)
-extern void __attribute__((overloadable))
- rsForEach(rs_script script script, rs_allocation input,
- rs_allocation output, const void * usrData,
- const rs_script_call_t *sc);
+_RS_RUNTIME int __attribute__((overloadable, always_inline)) rsClamp(int amount, int low, int high);
/**
* \overload
*/
-extern void __attribute__((overloadable))
- rsForEach(rs_script script, rs_allocation input,
- rs_allocation output, const void * usrData);
-#else
-
+_RS_RUNTIME ushort __attribute__((overloadable, always_inline)) rsClamp(ushort amount, ushort low, ushort high);
/**
- * Make a script to script call to launch work. One of the input or output is
- * required to be a valid object. The input and output must be of the same
- * dimensions.
- * API 14+
- *
- * @param script The target script to call
- * @param input The allocation to source data from
- * @param output the allocation to write date into
- * @param usrData The user definied params to pass to the root script. May be
- * NULL.
- * @param usrDataLen The size of the userData structure. This will be used to
- * perform a shallow copy of the data if necessary.
- * @param sc Extra control infomation used to select a sub-region of the
- * allocation to be processed or suggest a walking strategy. May be
- * NULL.
- *
+ * \overload
*/
-extern void __attribute__((overloadable))
- rsForEach(rs_script script, rs_allocation input, rs_allocation output,
- const void * usrData, size_t usrDataLen, const rs_script_call_t *);
+_RS_RUNTIME short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high);
/**
* \overload
*/
-extern void __attribute__((overloadable))
- rsForEach(rs_script script, rs_allocation input, rs_allocation output,
- const void * usrData, size_t usrDataLen);
+_RS_RUNTIME uchar __attribute__((overloadable, always_inline)) rsClamp(uchar amount, uchar low, uchar high);
/**
* \overload
*/
-extern void __attribute__((overloadable))
- rsForEach(rs_script script, rs_allocation input, rs_allocation output);
-#endif
+_RS_RUNTIME char __attribute__((overloadable, always_inline)) rsClamp(char amount, char low, char high);
/**
- * Atomic add one to the value at addr.
- * Equal to rsAtomicAdd(addr, 1)
- *
- * @param addr Address of value to increment
- *
- * @return old value
+ * Computes 6 frustum planes from the view projection matrix
+ * @param viewProj matrix to extract planes from
+ * @param left plane
+ * @param right plane
+ * @param top plane
+ * @param bottom plane
+ * @param near plane
+ * @param far plane
*/
-extern int32_t __attribute__((overloadable))
- rsAtomicInc(volatile int32_t* addr);
-/**
- * Atomic add one to the value at addr.
- * Equal to rsAtomicAdd(addr, 1)
- *
- * @param addr Address of value to increment
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicInc(volatile uint32_t* addr);
+__inline__ static void __attribute__((overloadable, always_inline))
+rsExtractFrustumPlanes(const rs_matrix4x4 *viewProj,
+ float4 *left, float4 *right,
+ float4 *top, float4 *bottom,
+ float4 *near, float4 *far) {
+ // x y z w = a b c d in the plane equation
+ left->x = viewProj->m[3] + viewProj->m[0];
+ left->y = viewProj->m[7] + viewProj->m[4];
+ left->z = viewProj->m[11] + viewProj->m[8];
+ left->w = viewProj->m[15] + viewProj->m[12];
-/**
- * Atomic subtract one from the value at addr. Equal to rsAtomicSub(addr, 1)
- *
- * @param addr Address of value to decrement
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicDec(volatile int32_t* addr);
-/**
- * Atomic subtract one from the value at addr. Equal to rsAtomicSub(addr, 1)
- *
- * @param addr Address of value to decrement
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicDec(volatile uint32_t* addr);
+ right->x = viewProj->m[3] - viewProj->m[0];
+ right->y = viewProj->m[7] - viewProj->m[4];
+ right->z = viewProj->m[11] - viewProj->m[8];
+ right->w = viewProj->m[15] - viewProj->m[12];
-/**
- * Atomic add a value to the value at addr. addr[0] += value
- *
- * @param addr Address of value to modify
- * @param value Amount to add to the value at addr
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicAdd(volatile int32_t* addr, int32_t value);
-/**
- * Atomic add a value to the value at addr. addr[0] += value
- *
- * @param addr Address of value to modify
- * @param value Amount to add to the value at addr
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicAdd(volatile uint32_t* addr, uint32_t value);
+ top->x = viewProj->m[3] - viewProj->m[1];
+ top->y = viewProj->m[7] - viewProj->m[5];
+ top->z = viewProj->m[11] - viewProj->m[9];
+ top->w = viewProj->m[15] - viewProj->m[13];
-/**
- * Atomic Subtract a value from the value at addr. addr[0] -= value
- *
- * @param addr Address of value to modify
- * @param value Amount to subtract from the value at addr
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicSub(volatile int32_t* addr, int32_t value);
-/**
- * Atomic Subtract a value from the value at addr. addr[0] -= value
- *
- * @param addr Address of value to modify
- * @param value Amount to subtract from the value at addr
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicSub(volatile uint32_t* addr, uint32_t value);
+ bottom->x = viewProj->m[3] + viewProj->m[1];
+ bottom->y = viewProj->m[7] + viewProj->m[5];
+ bottom->z = viewProj->m[11] + viewProj->m[9];
+ bottom->w = viewProj->m[15] + viewProj->m[13];
-/**
- * Atomic Bitwise and a value from the value at addr. addr[0] &= value
- *
- * @param addr Address of value to modify
- * @param value Amount to and with the value at addr
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicAnd(volatile int32_t* addr, int32_t value);
-/**
- * Atomic Bitwise and a value from the value at addr. addr[0] &= value
- *
- * @param addr Address of value to modify
- * @param value Amount to and with the value at addr
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicAnd(volatile uint32_t* addr, uint32_t value);
+ near->x = viewProj->m[3] + viewProj->m[2];
+ near->y = viewProj->m[7] + viewProj->m[6];
+ near->z = viewProj->m[11] + viewProj->m[10];
+ near->w = viewProj->m[15] + viewProj->m[14];
-/**
- * Atomic Bitwise or a value from the value at addr. addr[0] |= value
- *
- * @param addr Address of value to modify
- * @param value Amount to or with the value at addr
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicOr(volatile int32_t* addr, int32_t value);
-/**
- * Atomic Bitwise or a value from the value at addr. addr[0] |= value
- *
- * @param addr Address of value to modify
- * @param value Amount to or with the value at addr
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicOr(volatile uint32_t* addr, uint32_t value);
+ far->x = viewProj->m[3] - viewProj->m[2];
+ far->y = viewProj->m[7] - viewProj->m[6];
+ far->z = viewProj->m[11] - viewProj->m[10];
+ far->w = viewProj->m[15] - viewProj->m[14];
-/**
- * Atomic Bitwise xor a value from the value at addr. addr[0] ^= value
- *
- * @param addr Address of value to modify
- * @param value Amount to xor with the value at addr
- *
- * @return old value
- */
-extern uint32_t __attribute__((overloadable))
- rsAtomicXor(volatile uint32_t* addr, uint32_t value);
-/**
- * Atomic Bitwise xor a value from the value at addr. addr[0] ^= value
- *
- * @param addr Address of value to modify
- * @param value Amount to xor with the value at addr
- *
- * @return old value
- */
-extern int32_t __attribute__((overloadable))
- rsAtomicXor(volatile int32_t* addr, int32_t value);
+ float len = length(left->xyz);
+ *left /= len;
+ len = length(right->xyz);
+ *right /= len;
+ len = length(top->xyz);
+ *top /= len;
+ len = length(bottom->xyz);
+ *bottom /= len;
+ len = length(near->xyz);
+ *near /= len;
+ len = length(far->xyz);
+ *far /= len;
+}
/**
- * Atomic Set the value at addr to the min of addr and value
- * addr[0] = rsMin(addr[0], value)
- *
- * @param addr Address of value to modify
- * @param value comparison value
- *
- * @return old value
+ * Checks if a sphere is withing the 6 frustum planes
+ * @param sphere float4 representing the sphere
+ * @param left plane
+ * @param right plane
+ * @param top plane
+ * @param bottom plane
+ * @param near plane
+ * @param far plane
*/
-extern uint32_t __attribute__((overloadable))
- rsAtomicMin(volatile uint32_t* addr, uint32_t value);
+__inline__ static bool __attribute__((overloadable, always_inline))
+rsIsSphereInFrustum(float4 *sphere,
+ float4 *left, float4 *right,
+ float4 *top, float4 *bottom,
+ float4 *near, float4 *far) {
+
+ float distToCenter = dot(left->xyz, sphere->xyz) + left->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ distToCenter = dot(right->xyz, sphere->xyz) + right->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ distToCenter = dot(top->xyz, sphere->xyz) + top->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ distToCenter = dot(bottom->xyz, sphere->xyz) + bottom->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ distToCenter = dot(near->xyz, sphere->xyz) + near->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ distToCenter = dot(far->xyz, sphere->xyz) + far->w;
+ if (distToCenter < -sphere->w) {
+ return false;
+ }
+ return true;
+}
+
+
/**
- * Atomic Set the value at addr to the min of addr and value
- * addr[0] = rsMin(addr[0], value)
+ * Pack floating point (0-1) RGB values into a uchar4. The alpha component is
+ * set to 255 (1.0).
*
- * @param addr Address of value to modify
- * @param value comparison value
+ * @param r
+ * @param g
+ * @param b
*
- * @return old value
+ * @return uchar4
*/
-extern int32_t __attribute__((overloadable))
- rsAtomicMin(volatile int32_t* addr, int32_t value);
+_RS_RUNTIME uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b);
/**
- * Atomic Set the value at addr to the max of addr and value
- * addr[0] = rsMax(addr[0], value)
+ * Pack floating point (0-1) RGBA values into a uchar4.
*
- * @param addr Address of value to modify
- * @param value comparison value
+ * @param r
+ * @param g
+ * @param b
+ * @param a
*
- * @return old value
+ * @return uchar4
*/
-extern uint32_t __attribute__((overloadable))
- rsAtomicMax(volatile uint32_t* addr, uint32_t value);
+_RS_RUNTIME uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a);
+
/**
- * Atomic Set the value at addr to the max of addr and value
- * addr[0] = rsMin(addr[0], value)
+ * Pack floating point (0-1) RGB values into a uchar4. The alpha component is
+ * set to 255 (1.0).
*
- * @param addr Address of value to modify
- * @param value comparison value
+ * @param color
*
- * @return old value
+ * @return uchar4
*/
-extern int32_t __attribute__((overloadable))
- rsAtomicMax(volatile int32_t* addr, int32_t value);
+_RS_RUNTIME uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color);
/**
- * Compare-and-set operation with a full memory barrier.
- *
- * If the value at addr matches compareValue then newValue is written.
+ * Pack floating point (0-1) RGBA values into a uchar4.
*
- * @param addr The address to compare and replace if the compare passes.
- * @param compareValue The value to test addr[0] against.
- * @param newValue The value to write if the test passes.
+ * @param color
*
- * @return old value
+ * @return uchar4
*/
-extern int32_t __attribute__((overloadable))
- rsAtomicCas(volatile int32_t* addr, int32_t compareValue, int32_t newValue);
+_RS_RUNTIME uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color);
/**
- * Compare-and-set operation with a full memory barrier.
- *
- * If the value at addr matches compareValue then newValue is written.
+ * Unpack a uchar4 color to float4. The resulting float range will be (0-1).
*
- * @param addr The address to compare and replace if the compare passes.
- * @param compareValue The value to test addr[0] against.
- * @param newValue The value to write if the test passes.
+ * @param c
*
- * @return old value
+ * @return float4
*/
-extern uint32_t __attribute__((overloadable))
- rsAtomicCas(volatile uint32_t* addr, int32_t compareValue, int32_t newValue);
+_RS_RUNTIME float4 rsUnpackColor8888(uchar4 c);
#endif
generated by cgit v1.1 at 2024-09-09 21:12:06 +0000