@ -29,8 +29,6 @@
* # define RLGL_STANDALONE
* Use rlgl as standalone library ( no raylib dependency )
*
* # define SUPPORT_VR_SIMULATOR
* Support VR simulation functionality ( stereo rendering )
*
* DEPENDENCIES :
* raymath - 3 D math functionality ( Vector3 , Matrix , Quaternion )
@ -327,29 +325,6 @@ typedef enum {
float fovy ; / / Camera field - of - view apperture in Y ( degrees )
} Camera ;
/ / Head - Mounted - Display device parameters
typedef struct VrDeviceInfo {
int hResolution ; / / HMD horizontal resolution in pixels
int vResolution ; / / HMD vertical resolution in pixels
float hScreenSize ; / / HMD horizontal size in meters
float vScreenSize ; / / HMD vertical size in meters
float vScreenCenter ; / / HMD screen center in meters
float eyeToScreenDistance ; / / HMD distance between eye and display in meters
float lensSeparationDistance ; / / HMD lens separation distance in meters
float interpupillaryDistance ; / / HMD IPD ( distance between pupils ) in meters
float lensDistortionValues [ 4 ] ; / / HMD lens distortion constant parameters
float chromaAbCorrection [ 4 ] ; / / HMD chromatic aberration correction parameters
} VrDeviceInfo ;
/ / VR Stereo rendering configuration for simulator
typedef struct VrStereoConfig {
Shader distortionShader ; / / VR stereo rendering distortion shader
Matrix eyesProjection [ 2 ] ; / / VR stereo rendering eyes projection matrices
Matrix eyesViewOffset [ 2 ] ; / / VR stereo rendering eyes view offset matrices
int eyeViewportRight [ 4 ] ; / / VR stereo rendering right eye viewport [ x , y , w , h ]
int eyeViewportLeft [ 4 ] ; / / VR stereo rendering left eye viewport [ x , y , w , h ]
} VrStereoConfig ;
/ / TraceLog message types
typedef enum {
LOG_ALL ,
@ -532,6 +507,8 @@ RLAPI void rlSetLineWidth(float width); // Set the line dr
RLAPI float rlGetLineWidth ( void ) ; / / Get the line drawing width
RLAPI void rlEnableSmoothLines ( void ) ; / / Enable line aliasing
RLAPI void rlDisableSmoothLines ( void ) ; / / Disable line aliasing
RLAPI void rlEnableStereoRender ( void ) ; / / Enable stereo rendering
RLAPI void rlDisableStereoRender ( void ) ; / / Disable stereo rendering
RLAPI void rlClearColor ( unsigned char r , unsigned char g , unsigned char b , unsigned char a ) ; / / Clear color buffer with color
RLAPI void rlClearScreenBuffers ( void ) ; / / Clear used screen buffers ( color and depth )
@ -564,6 +541,9 @@ RLAPI void rlGenerateMipmaps(Texture2D *texture); // Gen
RLAPI void * rlReadTexturePixels ( Texture2D texture ) ; / / Read texture pixel data
RLAPI unsigned char * rlReadScreenPixels ( int width , int height ) ; / / Read screen pixel data ( color buffer )
RLAPI void rlSetMatrixProjectionStereo ( Matrix right , Matrix left ) ; / / Set eyes projection matrices for stereo rendering
RLAPI void rlSetMatrixViewOffsetStereo ( Matrix right , Matrix left ) ; / / Set eyes view offsets matrices for stereo rendering
/ / Framebuffer management ( fbo )
RLAPI unsigned int rlLoadFramebuffer ( int width , int height ) ; / / Load an empty framebuffer
RLAPI void rlFramebufferAttach ( unsigned int fboId , unsigned int texId , int attachType , int texType ) ; / / Attach texture / renderbuffer to a framebuffer
@ -597,14 +577,15 @@ RLAPI Texture2D GetShapesTexture(void); // Get
RLAPI Rectangle GetShapesTextureRec ( void ) ; / / Get texture rectangle to draw shapes
/ / Shader configuration functions
RLAPI int GetShaderLocation ( Shader shader , const char * uniformName ) ; / / Get shader uniform location
RLAPI int GetShaderLocationAttrib ( Shader shader , const char * attribName ) ; / / Get shader attribute location
RLAPI int GetShaderLocation ( Shader shader , const char * uniformName ) ; / / Get shader uniform location
RLAPI int GetShaderLocationAttrib ( Shader shader , const char * attribName ) ; / / Get shader attribute location
RLAPI void SetShaderValue ( Shader shader , int locIndex , const void * value , int uniformType ) ; / / Set shader uniform value
RLAPI void SetShaderValueV ( Shader shader , int locIndex , const void * value , int uniformType , int count ) ; / / Set shader uniform value vector
RLAPI void SetShaderValueMatrix ( Shader shader , int locIndex , Matrix mat ) ; / / Set shader uniform value ( matrix 4 x4 )
RLAPI void SetShaderValueMatrix ( Shader shader , int locIndex , Matrix mat ) ; / / Set shader uniform value ( matrix 4 x4 )
RLAPI void SetMatrixProjection ( Matrix proj ) ; / / Set a custom projection matrix ( replaces internal projection matrix )
RLAPI void SetMatrixModelview ( Matrix view ) ; / / Set a custom modelview matrix ( replaces internal modelview matrix )
RLAPI Matrix GetMatrixModelview ( void ) ; / / Get internal modelview matrix
RLAPI Matrix GetMatrixProjection ( void ) ; / / Get internal projection matrix
/ / Texture maps generation ( PBR )
/ / NOTE : Required shaders should be provided
@ -619,16 +600,6 @@ RLAPI void EndShaderMode(void); // End custom shader dra
RLAPI void BeginBlendMode ( int mode ) ; / / Begin blending mode ( alpha , additive , multiplied )
RLAPI void EndBlendMode ( void ) ; / / End blending mode ( reset to default : alpha blending )
/ / VR control functions
RLAPI void InitVrSimulator ( void ) ; / / Init VR simulator for selected device parameters
RLAPI void CloseVrSimulator ( void ) ; / / Close VR simulator for current device
RLAPI void UpdateVrTracking ( Camera * camera ) ; / / Update VR tracking ( position and orientation ) and camera
RLAPI void SetVrConfiguration ( VrDeviceInfo info , Shader distortion ) ; / / Set stereo rendering configuration parameters
RLAPI bool IsVrSimulatorReady ( void ) ; / / Detect if VR simulator is ready
RLAPI void ToggleVrMode ( void ) ; / / Enable / Disable VR experience
RLAPI void BeginVrDrawing ( void ) ; / / Begin VR simulator stereo rendering
RLAPI void EndVrDrawing ( void ) ; / / End VR simulator stereo rendering
RLAPI char * LoadFileText ( const char * fileName ) ; / / Load chars array from text file
RLAPI int GetPixelDataSize ( int width , int height , int format ) ; / / Get pixel data size in bytes ( image or texture )
# endif
@ -847,17 +818,6 @@ typedef struct RenderBatch {
float currentDepth ; / / Current depth value for next draw
} RenderBatch ;
# if defined(SUPPORT_VR_SIMULATOR) && !defined(RLGL_STANDALONE)
/ / VR Stereo rendering configuration for simulator
typedef struct VrStereoConfig {
Shader distortionShader ; / / VR stereo rendering distortion shader
Matrix eyesProjection [ 2 ] ; / / VR stereo rendering eyes projection matrices
Matrix eyesViewOffset [ 2 ] ; / / VR stereo rendering eyes view offset matrices
int eyeViewportRight [ 4 ] ; / / VR stereo rendering right eye viewport [ x , y , w , h ]
int eyeViewportLeft [ 4 ] ; / / VR stereo rendering left eye viewport [ x , y , w , h ]
} VrStereoConfig ;
# endif
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
typedef struct rlglData {
RenderBatch * currentBatch ; / / Current render batch
@ -881,6 +841,10 @@ typedef struct rlglData {
unsigned int defaultFShaderId ; / / Default fragment shader Id ( used by default shader program )
Shader defaultShader ; / / Basic shader , support vertex color and diffuse texture
Shader currentShader ; / / Shader to be used on rendering ( by default , defaultShader )
bool stereoRender ; / / Stereo rendering flag
Matrix eyesProjection [ 2 ] ; / / VR stereo rendering eyes projection matrices
Matrix eyesViewOffset [ 2 ] ; / / VR stereo rendering eyes view offset matrices
int currentBlendMode ; / / Blending mode active
int glBlendSrcFactor ; / / Blending source factor
@ -910,15 +874,6 @@ typedef struct rlglData {
int maxDepthBits ; / / Maximum bits for depth component
} ExtSupported ; / / Extensions supported flags
# if defined(SUPPORT_VR_SIMULATOR)
struct {
VrStereoConfig config ; / / VR stereo configuration for simulator
unsigned int stereoFboId ; / / VR stereo rendering framebuffer id
unsigned int stereoTexId ; / / VR stereo color texture ( attached to framebuffer )
bool simulatorReady ; / / VR simulator ready flag
bool stereoRender ; / / VR stereo rendering enabled / disabled flag
} Vr ; / / VR simulator data
# endif / / SUPPORT_VR_SIMULATOR
} rlglData ;
# endif / / GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2
@ -961,11 +916,6 @@ static void SetRenderBatchDefault(void); // Set default render ba
static void GenDrawCube ( void ) ; / / Generate and draw cube
static void GenDrawQuad ( void ) ; / / Generate and draw quad
# if defined(SUPPORT_VR_SIMULATOR)
static void SetStereoView ( int eye , Matrix matProjection , Matrix matModelView ) ; / / Set internal projection and modelview matrix depending on eye
# endif
# endif / / GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2
# if defined(GRAPHICS_API_OPENGL_11)
@ -1469,13 +1419,13 @@ void rlEnableBackfaceCulling(void) { glEnable(GL_CULL_FACE); }
void rlDisableBackfaceCulling ( void ) { glDisable ( GL_CULL_FACE ) ; }
/ / Enable scissor test
RLAPI void rlEnableScissorTest ( void ) { glEnable ( GL_SCISSOR_TEST ) ; }
void rlEnableScissorTest ( void ) { glEnable ( GL_SCISSOR_TEST ) ; }
/ / Disable scissor test
RLAPI void rlDisableScissorTest ( void ) { glDisable ( GL_SCISSOR_TEST ) ; }
void rlDisableScissorTest ( void ) { glDisable ( GL_SCISSOR_TEST ) ; }
/ / Scissor test
RLAPI void rlScissor ( int x , int y , int width , int height ) { glScissor ( x , y , width , height ) ; }
void rlScissor ( int x , int y , int width , int height ) { glScissor ( x , y , width , height ) ; }
/ / Enable wire mode
void rlEnableWireMode ( void )
@ -1524,6 +1474,18 @@ void rlDisableSmoothLines(void)
# endif
}
/ / Enable stereo rendering
void rlEnableStereoRender ( void )
{
RLGL . State . stereoRender = true ;
}
/ / Disable stereo rendering
void rlDisableStereoRender ( void )
{
RLGL . State . stereoRender = false ;
}
/ / Unload framebuffer from GPU memory
/ / NOTE : All attached textures / cubemaps / renderbuffers are also deleted
void rlUnloadFramebuffer ( unsigned int id )
@ -2889,16 +2851,21 @@ void rlDrawMesh(Mesh mesh, Material material, Matrix transform)
}
int eyesCount = 1 ;
# if defined(SUPPORT_VR_SIMULATOR)
if ( RLGL . Vr . stereoRender ) eyesCount = 2 ;
# endif
if ( RLGL . State . stereoRender ) eyesCount = 2 ;
for ( int eye = 0 ; eye < eyesCount ; eye + + )
{
if ( eyesCount = = 1 ) RLGL . State . modelview = matModelView ;
# if defined(SUPPORT_VR_SIMULATOR)
else SetStereoView ( eye , matProjection , matModelView ) ;
# endif
else
{
/ / Setup current eye viewport ( half screen width )
rlViewport ( eye * RLGL . State . framebufferWidth / 2 , 0 , RLGL . State . framebufferWidth / 2 , RLGL . State . framebufferHeight ) ;
/ / Set current eye view offset to modelview matrix
SetMatrixModelview ( MatrixMultiply ( matModelView , RLGL . State . eyesViewOffset [ eye ] ) ) ;
/ / Set current eye projection matrix
SetMatrixProjection ( RLGL . State . eyesProjection [ eye ] ) ;
}
/ / Calculate model - view - projection matrix ( MVP )
Matrix matMVP = MatrixMultiply ( RLGL . State . modelview , RLGL . State . projection ) ; / / Transform to screen - space coordinates
@ -3145,6 +3112,20 @@ void *rlReadTexturePixels(Texture2D texture)
return pixels ;
}
/ / Set eyes projection matrices for stereo rendering
void rlSetMatrixProjectionStereo ( Matrix right , Matrix left )
{
RLGL . State . eyesProjection [ 0 ] = right ;
RLGL . State . eyesProjection [ 1 ] = left ;
}
/ / Set eyes view offsets matrices for stereo rendering
void rlSetMatrixViewOffsetStereo ( Matrix right , Matrix left )
{
RLGL . State . eyesViewOffset [ 0 ] = right ;
RLGL . State . eyesViewOffset [ 1 ] = left ;
}
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
/ / Module Functions Definition - Shaders Functions
/ / NOTE : Those functions are exposed directly to the user in raylib . h
@ -3813,250 +3794,6 @@ void EndBlendMode(void)
BeginBlendMode ( BLEND_ALPHA ) ;
}
# if defined(SUPPORT_VR_SIMULATOR)
/ / Init VR simulator for selected device parameters
/ / NOTE : It modifies the global variable : RLGL . Vr . stereoFboId
void InitVrSimulator ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
/ / Initialize framebuffer and textures for stereo rendering
/ / NOTE : Screen size should match HMD aspect ratio
RLGL . Vr . stereoFboId = rlLoadFramebuffer ( RLGL . State . framebufferWidth , RLGL . State . framebufferHeight ) ;
/ / Load color / depth textures to attach to framebuffer
RLGL . Vr . stereoTexId = rlLoadTexture ( NULL , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight , PIXELFORMAT_UNCOMPRESSED_R8G8B8A8 , 1 ) ;
unsigned int depthId = rlLoadTextureDepth ( RLGL . State . framebufferWidth , RLGL . State . framebufferHeight , true ) ;
/ / Attach color texture and depth renderbuffer / texture to FBO
rlFramebufferAttach ( RLGL . Vr . stereoFboId , RLGL . Vr . stereoTexId , RL_ATTACHMENT_COLOR_CHANNEL0 , RL_ATTACHMENT_TEXTURE2D ) ;
rlFramebufferAttach ( RLGL . Vr . stereoFboId , depthId , RL_ATTACHMENT_DEPTH , RL_ATTACHMENT_RENDERBUFFER ) ;
RLGL . Vr . simulatorReady = true ;
# else
TRACELOG ( LOG_WARNING , " RLGL: VR Simulator not supported on OpenGL 1.1 " ) ;
# endif
}
/ / Update VR tracking ( position and orientation ) and camera
/ / NOTE : Camera ( position , target , up ) gets update with head tracking information
void UpdateVrTracking ( Camera * camera )
{
/ / TODO : Simulate 1 st person camera system
}
/ / Close VR simulator for current device
void CloseVrSimulator ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
if ( RLGL . Vr . simulatorReady )
{
rlUnloadTexture ( RLGL . Vr . stereoTexId ) ; / / Unload color texture
rlUnloadFramebuffer ( RLGL . Vr . stereoFboId ) ; / / Unload stereo framebuffer and depth texture / renderbuffer
}
# endif
}
/ / Set stereo rendering configuration parameters
void SetVrConfiguration ( VrDeviceInfo hmd , Shader distortion )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
/ / Reset RLGL . Vr . config for a new values assignment
memset ( & RLGL . Vr . config , 0 , sizeof ( RLGL . Vr . config ) ) ;
/ / Assign distortion shader
RLGL . Vr . config . distortionShader = distortion ;
/ / Compute aspect ratio
float aspect = ( ( float ) hmd . hResolution * 0.5f ) / ( float ) hmd . vResolution ;
/ / Compute lens parameters
float lensShift = ( hmd . hScreenSize * 0.25f - hmd . lensSeparationDistance * 0.5f ) / hmd . hScreenSize ;
float leftLensCenter [ 2 ] = { 0.25f + lensShift , 0.5f } ;
float rightLensCenter [ 2 ] = { 0.75f - lensShift , 0.5f } ;
float leftScreenCenter [ 2 ] = { 0.25f , 0.5f } ;
float rightScreenCenter [ 2 ] = { 0.75f , 0.5f } ;
/ / Compute distortion scale parameters
/ / NOTE : To get lens max radius , lensShift must be normalized to [ - 1. .1 ]
float lensRadius = fabsf ( - 1.0f - 4.0f * lensShift ) ;
float lensRadiusSq = lensRadius * lensRadius ;
float distortionScale = hmd . lensDistortionValues [ 0 ] +
hmd . lensDistortionValues [ 1 ] * lensRadiusSq +
hmd . lensDistortionValues [ 2 ] * lensRadiusSq * lensRadiusSq +
hmd . lensDistortionValues [ 3 ] * lensRadiusSq * lensRadiusSq * lensRadiusSq ;
TRACELOGD ( " RLGL: VR device configuration: " ) ;
TRACELOGD ( " > Distortion Scale: %f " , distortionScale ) ;
float normScreenWidth = 0.5f ;
float normScreenHeight = 1.0f ;
float scaleIn [ 2 ] = { 2.0f / normScreenWidth , 2.0f / normScreenHeight / aspect } ;
float scale [ 2 ] = { normScreenWidth * 0.5f / distortionScale , normScreenHeight * 0.5f * aspect / distortionScale } ;
TRACELOGD ( " > Distortion Shader: LeftLensCenter = { %f, %f } " , leftLensCenter [ 0 ] , leftLensCenter [ 1 ] ) ;
TRACELOGD ( " > Distortion Shader: RightLensCenter = { %f, %f } " , rightLensCenter [ 0 ] , rightLensCenter [ 1 ] ) ;
TRACELOGD ( " > Distortion Shader: Scale = { %f, %f } " , scale [ 0 ] , scale [ 1 ] ) ;
TRACELOGD ( " > Distortion Shader: ScaleIn = { %f, %f } " , scaleIn [ 0 ] , scaleIn [ 1 ] ) ;
/ / Fovy is normally computed with : 2 * atan2f ( hmd . vScreenSize , 2 * hmd . eyeToScreenDistance )
/ / . . . but with lens distortion it is increased ( see Oculus SDK Documentation )
/ / float fovy = 2.0f * atan2f ( hmd . vScreenSize * 0.5f * distortionScale , hmd . eyeToScreenDistance ) ; / / Really need distortionScale ?
float fovy = 2.0f * ( float ) atan2f ( hmd . vScreenSize * 0.5f , hmd . eyeToScreenDistance ) ;
/ / Compute camera projection matrices
float projOffset = 4.0f * lensShift ; / / Scaled to projection space coordinates [ - 1. .1 ]
Matrix proj = MatrixPerspective ( fovy , aspect , RL_CULL_DISTANCE_NEAR , RL_CULL_DISTANCE_FAR ) ;
RLGL . Vr . config . eyesProjection [ 0 ] = MatrixMultiply ( proj , MatrixTranslate ( projOffset , 0.0f , 0.0f ) ) ;
RLGL . Vr . config . eyesProjection [ 1 ] = MatrixMultiply ( proj , MatrixTranslate ( - projOffset , 0.0f , 0.0f ) ) ;
/ / Compute camera transformation matrices
/ / NOTE : Camera movement might seem more natural if we model the head .
/ / Our axis of rotation is the base of our head , so we might want to add
/ / some y ( base of head to eye level ) and - z ( center of head to eye protrusion ) to the camera positions .
RLGL . Vr . config . eyesViewOffset [ 0 ] = MatrixTranslate ( - hmd . interpupillaryDistance * 0.5f , 0.075f , 0.045f ) ;
RLGL . Vr . config . eyesViewOffset [ 1 ] = MatrixTranslate ( hmd . interpupillaryDistance * 0.5f , 0.075f , 0.045f ) ;
/ / Compute eyes Viewports
RLGL . Vr . config . eyeViewportRight [ 2 ] = hmd . hResolution / 2 ;
RLGL . Vr . config . eyeViewportRight [ 3 ] = hmd . vResolution ;
RLGL . Vr . config . eyeViewportLeft [ 0 ] = hmd . hResolution / 2 ;
RLGL . Vr . config . eyeViewportLeft [ 1 ] = 0 ;
RLGL . Vr . config . eyeViewportLeft [ 2 ] = hmd . hResolution / 2 ;
RLGL . Vr . config . eyeViewportLeft [ 3 ] = hmd . vResolution ;
if ( RLGL . Vr . config . distortionShader . id > 0 )
{
/ / Update distortion shader with lens and distortion - scale parameters
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " leftLensCenter " ) , leftLensCenter , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " rightLensCenter " ) , rightLensCenter , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " leftScreenCenter " ) , leftScreenCenter , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " rightScreenCenter " ) , rightScreenCenter , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " scale " ) , scale , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " scaleIn " ) , scaleIn , SHADER_UNIFORM_VEC2 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " hmdWarpParam " ) , hmd . lensDistortionValues , SHADER_UNIFORM_VEC4 ) ;
SetShaderValue ( RLGL . Vr . config . distortionShader , GetShaderLocation ( RLGL . Vr . config . distortionShader , " chromaAbParam " ) , hmd . chromaAbCorrection , SHADER_UNIFORM_VEC4 ) ;
}
# endif
}
/ / Detect if VR simulator is running
bool IsVrSimulatorReady ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
return RLGL . Vr . simulatorReady ;
# else
return false ;
# endif
}
/ / Enable / Disable VR experience ( device or simulator )
void ToggleVrMode ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
RLGL . Vr . simulatorReady = ! RLGL . Vr . simulatorReady ;
if ( ! RLGL . Vr . simulatorReady )
{
RLGL . Vr . stereoRender = false ;
/ / Reset viewport and default projection - modelview matrices
rlViewport ( 0 , 0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight ) ;
RLGL . State . projection = MatrixOrtho ( 0.0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight , 0.0 , 0.0 , 1.0 ) ;
RLGL . State . modelview = MatrixIdentity ( ) ;
}
else RLGL . Vr . stereoRender = true ;
# endif
}
/ / Begin VR drawing configuration
void BeginVrDrawing ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
if ( RLGL . Vr . simulatorReady )
{
rlEnableFramebuffer ( RLGL . Vr . stereoFboId ) ; / / Setup framebuffer for stereo rendering
/ / glEnable ( GL_FRAMEBUFFER_SRGB ) ; / / Enable SRGB framebuffer ( only if required )
/ / rlViewport ( 0 , 0 , buffer . width , buffer . height ) ; / / Useful if rendering to separate framebuffers ( every eye )
rlClearScreenBuffers ( ) ; / / Clear current framebuffer
RLGL . Vr . stereoRender = true ;
}
# endif
}
/ / End VR drawing process ( and desktop mirror )
void EndVrDrawing ( void )
{
# if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
if ( RLGL . Vr . simulatorReady )
{
RLGL . Vr . stereoRender = false ; / / Disable stereo render
rlDisableFramebuffer ( ) ; / / Unbind current framebuffer
rlClearScreenBuffers ( ) ; / / Clear current framebuffer
/ / Set viewport to default framebuffer size ( screen size )
rlViewport ( 0 , 0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight ) ;
/ / Let rlgl reconfigure internal matrices
rlMatrixMode ( RL_PROJECTION ) ; / / Enable internal projection matrix
rlLoadIdentity ( ) ; / / Reset internal projection matrix
rlOrtho ( 0.0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight , 0.0 , 0.0 , 1.0 ) ; / / Recalculate internal RLGL . State . projection matrix
rlMatrixMode ( RL_MODELVIEW ) ; / / Enable internal modelview matrix
rlLoadIdentity ( ) ; / / Reset internal modelview matrix
/ / Draw stereo framebuffer texture using distortion shader if available
if ( RLGL . Vr . config . distortionShader . id > 0 ) RLGL . State . currentShader = RLGL . Vr . config . distortionShader ;
else RLGL . State . currentShader = GetShaderDefault ( ) ;
rlEnableTexture ( RLGL . Vr . stereoTexId ) ;
rlPushMatrix ( ) ;
rlBegin ( RL_QUADS ) ;
rlColor4ub ( 255 , 255 , 255 , 255 ) ;
rlNormal3f ( 0.0f , 0.0f , 1.0f ) ;
/ / Bottom - left corner for texture and quad
rlTexCoord2f ( 0.0f , 1.0f ) ;
rlVertex2f ( 0.0f , 0.0f ) ;
/ / Bottom - right corner for texture and quad
rlTexCoord2f ( 0.0f , 0.0f ) ;
rlVertex2f ( 0.0f , ( float ) RLGL . State . framebufferHeight ) ;
/ / Top - right corner for texture and quad
rlTexCoord2f ( 1.0f , 0.0f ) ;
rlVertex2f ( ( float ) RLGL . State . framebufferWidth , ( float ) RLGL . State . framebufferHeight ) ;
/ / Top - left corner for texture and quad
rlTexCoord2f ( 1.0f , 1.0f ) ;
rlVertex2f ( ( float ) RLGL . State . framebufferWidth , 0.0f ) ;
rlEnd ( ) ;
rlPopMatrix ( ) ;
rlDisableTexture ( ) ;
/ / Update and draw render texture fbo with distortion to backbuffer
DrawRenderBatch ( RLGL . currentBatch ) ;
/ / Restore RLGL . State . defaultShader
RLGL . State . currentShader = RLGL . State . defaultShader ;
/ / Reset viewport and default projection - modelview matrices
rlViewport ( 0 , 0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight ) ;
RLGL . State . projection = MatrixOrtho ( 0.0 , RLGL . State . framebufferWidth , RLGL . State . framebufferHeight , 0.0 , 0.0 , 1.0 ) ;
RLGL . State . modelview = MatrixIdentity ( ) ;
rlDisableDepthTest ( ) ;
}
# endif
}
# endif / / SUPPORT_VR_SIMULATOR
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
/ / Module specific Functions Definition
/ / - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
@ -4475,15 +4212,21 @@ static void DrawRenderBatch(RenderBatch *batch)
Matrix matModelView = RLGL . State . modelview ;
int eyesCount = 1 ;
# if defined(SUPPORT_VR_SIMULATOR)
if ( RLGL . Vr . stereoRender ) eyesCount = 2 ;
# endif
if ( RLGL . State . stereoRender ) eyesCount = 2 ;
for ( int eye = 0 ; eye < eyesCount ; eye + + )
{
# if defined(SUPPORT_VR_SIMULATOR)
if ( eyesCount = = 2 ) SetStereoView ( eye , matProjection , matModelView ) ;
# endif
if ( eyesCount = = 2 )
{
/ / Setup current eye viewport ( half screen width )
rlViewport ( eye * RLGL . State . framebufferWidth / 2 , 0 , RLGL . State . framebufferWidth / 2 , RLGL . State . framebufferHeight ) ;
/ / Set current eye view offset to modelview matrix
SetMatrixModelview ( MatrixMultiply ( matModelView , RLGL . State . eyesViewOffset [ eye ] ) ) ;
/ / Set current eye projection matrix
SetMatrixProjection ( RLGL . State . eyesProjection [ eye ] ) ;
}
/ / Draw buffers
if ( batch - > vertexBuffer [ batch - > currentBuffer ] . vCounter > 0 )
{
@ -4769,28 +4512,6 @@ static void GenDrawCube(void)
glDeleteBuffers ( 1 , & cubeVBO ) ;
glDeleteVertexArrays ( 1 , & cubeVAO ) ;
}
# if defined(SUPPORT_VR_SIMULATOR)
/ / Set internal projection and modelview matrix depending on eyes tracking data
static void SetStereoView ( int eye , Matrix matProjection , Matrix matModelView )
{
Matrix eyeProjection = matProjection ;
Matrix eyeModelView = matModelView ;
/ / Setup viewport and projection / modelview matrices using tracking data
rlViewport ( eye * RLGL . State . framebufferWidth / 2 , 0 , RLGL . State . framebufferWidth / 2 , RLGL . State . framebufferHeight ) ;
/ / Apply view offset to modelview matrix
eyeModelView = MatrixMultiply ( matModelView , RLGL . Vr . config . eyesViewOffset [ eye ] ) ;
/ / Set current eye projection matrix
eyeProjection = RLGL . Vr . config . eyesProjection [ eye ] ;
SetMatrixModelview ( eyeModelView ) ;
SetMatrixProjection ( eyeProjection ) ;
}
# endif / / SUPPORT_VR_SIMULATOR
# endif / / GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2
# if defined(GRAPHICS_API_OPENGL_11)
Ray
4 yıl önce