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-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * 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
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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.
- */
-
-/** @file rs_graphics.rsh
- * \brief Renderscript graphics API
- *
- * A set of graphics functions used by Renderscript.
- *
- */
-#ifndef __RS_GRAPHICS_RSH__
-#define __RS_GRAPHICS_RSH__
-
-#if (defined(RS_VERSION) && (RS_VERSION >= 14))
-/**
- * Set the color target used for all subsequent rendering calls
- * @param colorTarget
- * @param slot
- */
-extern void __attribute__((overloadable))
- rsgBindColorTarget(rs_allocation colorTarget, uint slot);
-
-/**
- * Clear the previously set color target
- * @param slot
- */
-extern void __attribute__((overloadable))
- rsgClearColorTarget(uint slot);
-
-/**
- * Set the depth target used for all subsequent rendering calls
- * @param depthTarget
- */
-extern void __attribute__((overloadable))
- rsgBindDepthTarget(rs_allocation depthTarget);
-
-/**
- * Clear the previously set depth target
- */
-extern void __attribute__((overloadable))
- rsgClearDepthTarget(void);
-
-/**
- * Clear all color and depth targets and resume rendering into
- * the framebuffer
- */
-extern void __attribute__((overloadable))
- rsgClearAllRenderTargets(void);
-
-/**
- * Force Renderscript to finish all rendering commands
- */
-extern uint __attribute__((overloadable))
- rsgFinish(void);
-
-#endif //defined(RS_VERSION) && (RS_VERSION >= 14)
-
-/**
- * Bind a new ProgramFragment to the rendering context.
- *
- * @param pf
- */
-extern void __attribute__((overloadable))
- rsgBindProgramFragment(rs_program_fragment pf);
-
-/**
- * Bind a new ProgramStore to the rendering context.
- *
- * @param ps
- */
-extern void __attribute__((overloadable))
- rsgBindProgramStore(rs_program_store ps);
-
-/**
- * Bind a new ProgramVertex to the rendering context.
- *
- * @param pv
- */
-extern void __attribute__((overloadable))
- rsgBindProgramVertex(rs_program_vertex pv);
-
-/**
- * Bind a new ProgramRaster to the rendering context.
- *
- * @param pr
- */
-extern void __attribute__((overloadable))
- rsgBindProgramRaster(rs_program_raster pr);
-
-/**
- * Bind a new Sampler object to a ProgramFragment. The sampler will
- * operate on the texture bound at the matching slot.
- *
- * @param slot
- */
-extern void __attribute__((overloadable))
- rsgBindSampler(rs_program_fragment, uint slot, rs_sampler);
-
-/**
- * Bind a new Allocation object to a ProgramFragment. The
- * Allocation must be a valid texture for the Program. The sampling
- * of the texture will be controled by the Sampler bound at the
- * matching slot.
- *
- * @param slot
- */
-extern void __attribute__((overloadable))
- rsgBindTexture(rs_program_fragment, uint slot, rs_allocation);
-
-/**
- * Load the projection matrix for a currently bound fixed function
- * vertex program. Calling this function with a custom vertex shader
- * would result in an error.
- * @param proj projection matrix
- */
-extern void __attribute__((overloadable))
- rsgProgramVertexLoadProjectionMatrix(const rs_matrix4x4 *proj);
-/**
- * Load the model matrix for a currently bound fixed function
- * vertex program. Calling this function with a custom vertex shader
- * would result in an error.
- * @param model model matrix
- */
-extern void __attribute__((overloadable))
- rsgProgramVertexLoadModelMatrix(const rs_matrix4x4 *model);
-/**
- * Load the texture matrix for a currently bound fixed function
- * vertex program. Calling this function with a custom vertex shader
- * would result in an error.
- * @param tex texture matrix
- */
-extern void __attribute__((overloadable))
- rsgProgramVertexLoadTextureMatrix(const rs_matrix4x4 *tex);
-/**
- * Get the projection matrix for a currently bound fixed function
- * vertex program. Calling this function with a custom vertex shader
- * would result in an error.
- * @param proj matrix to store the current projection matrix into
- */
-extern void __attribute__((overloadable))
- rsgProgramVertexGetProjectionMatrix(rs_matrix4x4 *proj);
-
-/**
- * Set the constant color for a fixed function emulation program.
- *
- * @param pf
- * @param r
- * @param g
- * @param b
- * @param a
- */
-extern void __attribute__((overloadable))
- rsgProgramFragmentConstantColor(rs_program_fragment pf, float r, float g, float b, float a);
-
-/**
- * Get the width of the current rendering surface.
- *
- * @return uint
- */
-extern uint __attribute__((overloadable))
- rsgGetWidth(void);
-
-/**
- * Get the height of the current rendering surface.
- *
- * @return uint
- */
-extern uint __attribute__((overloadable))
- rsgGetHeight(void);
-
-
-/**
- * Sync the contents of an allocation from its SCRIPT memory space to its HW
- * memory spaces.
- *
- * @param alloc
- */
-extern void __attribute__((overloadable))
- rsgAllocationSyncAll(rs_allocation alloc);
-
-#if (defined(RS_VERSION) && (RS_VERSION >= 14))
-
-/**
- * Sync the contents of an allocation from memory space
- * specified by source.
- *
- * @param alloc
- * @param source
- */
-extern void __attribute__((overloadable))
- rsgAllocationSyncAll(rs_allocation alloc,
- rs_allocation_usage_type source);
-
-#endif //defined(RS_VERSION) && (RS_VERSION >= 14)
-
-/**
- * Low performance utility function for drawing a simple rectangle. Not
- * intended for drawing large quantities of geometry.
- *
- * @param x1
- * @param y1
- * @param x2
- * @param y2
- * @param z
- */
-extern void __attribute__((overloadable))
- rsgDrawRect(float x1, float y1, float x2, float y2, float z);
-
-/**
- * Low performance utility function for drawing a simple quad. Not intended for
- * drawing large quantities of geometry.
- *
- * @param x1
- * @param y1
- * @param z1
- * @param x2
- * @param y2
- * @param z2
- * @param x3
- * @param y3
- * @param z3
- * @param x4
- * @param y4
- * @param z4
- */
-extern void __attribute__((overloadable))
- rsgDrawQuad(float x1, float y1, float z1,
- float x2, float y2, float z2,
- float x3, float y3, float z3,
- float x4, float y4, float z4);
-
-
-/**
- * Low performance utility function for drawing a textured quad. Not intended
- * for drawing large quantities of geometry.
- *
- * @param x1
- * @param y1
- * @param z1
- * @param u1
- * @param v1
- * @param x2
- * @param y2
- * @param z2
- * @param u2
- * @param v2
- * @param x3
- * @param y3
- * @param z3
- * @param u3
- * @param v3
- * @param x4
- * @param y4
- * @param z4
- * @param u4
- * @param v4
- */
-extern void __attribute__((overloadable))
- rsgDrawQuadTexCoords(float x1, float y1, float z1, float u1, float v1,
- float x2, float y2, float z2, float u2, float v2,
- float x3, float y3, float z3, float u3, float v3,
- float x4, float y4, float z4, float u4, float v4);
-
-
-/**
- * Low performance function for drawing rectangles in screenspace. This
- * function uses the default passthough ProgramVertex. Any bound ProgramVertex
- * is ignored. This function has considerable overhead and should not be used
- * for drawing in shipping applications.
- *
- * @param x
- * @param y
- * @param z
- * @param w
- * @param h
- */
-extern void __attribute__((overloadable))
- rsgDrawSpriteScreenspace(float x, float y, float z, float w, float h);
-
-/**
- * Draw a mesh using the current context state. The whole mesh is
- * rendered.
- *
- * @param ism
- */
-extern void __attribute__((overloadable))
- rsgDrawMesh(rs_mesh ism);
-/**
- * Draw part of a mesh using the current context state.
- * @param ism mesh object to render
- * @param primitiveIndex for meshes that contain multiple primitive groups
- * this parameter specifies the index of the group to draw.
- */
-extern void __attribute__((overloadable))
- rsgDrawMesh(rs_mesh ism, uint primitiveIndex);
-/**
- * Draw specified index range of part of a mesh using the current context state.
- * @param ism mesh object to render
- * @param primitiveIndex for meshes that contain multiple primitive groups
- * this parameter specifies the index of the group to draw.
- * @param start starting index in the range
- * @param len number of indices to draw
- */
-extern void __attribute__((overloadable))
- rsgDrawMesh(rs_mesh ism, uint primitiveIndex, uint start, uint len);
-
-/**
- * Clears the rendering surface to the specified color.
- *
- * @param r
- * @param g
- * @param b
- * @param a
- */
-extern void __attribute__((overloadable))
- rsgClearColor(float r, float g, float b, float a);
-
-/**
- * Clears the depth suface to the specified value.
- */
-extern void __attribute__((overloadable))
- rsgClearDepth(float value);
-/**
- * Draws text given a string and location
- */
-extern void __attribute__((overloadable))
- rsgDrawText(const char *, int x, int y);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsgDrawText(rs_allocation, int x, int y);
-/**
- * Binds the font object to be used for all subsequent font rendering calls
- * @param font object to bind
- */
-extern void __attribute__((overloadable))
- rsgBindFont(rs_font font);
-/**
- * Sets the font color for all subsequent rendering calls
- * @param r red component
- * @param g green component
- * @param b blue component
- * @param a alpha component
- */
-extern void __attribute__((overloadable))
- rsgFontColor(float r, float g, float b, float a);
-/**
- * Returns the bounding box of the text relative to (0, 0)
- * Any of left, right, top, bottom could be NULL
- */
-extern void __attribute__((overloadable))
- rsgMeasureText(const char *, int *left, int *right, int *top, int *bottom);
-/**
- * \overload
- */
-extern void __attribute__((overloadable))
- rsgMeasureText(rs_allocation, int *left, int *right, int *top, int *bottom);
-/**
- * Computes an axis aligned bounding box of a mesh object
- */
-extern void __attribute__((overloadable))
- rsgMeshComputeBoundingBox(rs_mesh mesh, float *minX, float *minY, float *minZ,
- float *maxX, float *maxY, float *maxZ);
-/**
- * \overload
- */
-__inline__ static void __attribute__((overloadable, always_inline))
-rsgMeshComputeBoundingBox(rs_mesh mesh, float3 *bBoxMin, float3 *bBoxMax) {
- float x1, y1, z1, x2, y2, z2;
- rsgMeshComputeBoundingBox(mesh, &x1, &y1, &z1, &x2, &y2, &z2);
- bBoxMin->x = x1;
- bBoxMin->y = y1;
- bBoxMin->z = z1;
- bBoxMax->x = x2;
- bBoxMax->y = y2;
- bBoxMax->z = z2;
-}
-
-#endif
-