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the stereo rendering is working correctly, will now look for more performances

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This commit is contained in:
samcake 2016-04-11 12:32:59 -07:00
parent f23f3a8c2d
commit 8a233ec9a1
3 changed files with 7 additions and 3 deletions
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4
libraries/gpu/src/gpu/GLBackendInput.cpp
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@ -120,7 +120,7 @@ void GLBackend::updateInput() {
glVertexAttribFormat(slot + locNum, count, type, isNormalized, offset + locNum * perLocationSize); glVertexAttribFormat(slot + locNum, count, type, isNormalized, offset + locNum * perLocationSize);
glVertexAttribBinding(slot + locNum, attrib._channel); glVertexAttribBinding(slot + locNum, attrib._channel);
} }
glVertexBindingDivisor(attrib._channel, attrib._frequency); glVertexBindingDivisor(attrib._channel, attrib._frequency * (isStereo() ? 2 : 1));
} }
(void) CHECK_GL_ERROR(); (void) CHECK_GL_ERROR();
} }
@ -239,7 +239,7 @@ void GLBackend::updateInput() {
for (size_t locNum = 0; locNum < locationCount; ++locNum) { for (size_t locNum = 0; locNum < locationCount; ++locNum) {
glVertexAttribPointer(slot + (GLuint)locNum, count, type, isNormalized, stride, glVertexAttribPointer(slot + (GLuint)locNum, count, type, isNormalized, stride,
reinterpret_cast<GLvoid*>(pointer + perLocationStride * (GLuint)locNum)); reinterpret_cast<GLvoid*>(pointer + perLocationStride * (GLuint)locNum));
glVertexAttribDivisor(slot + (GLuint)locNum, attrib._frequency); glVertexAttribDivisor(slot + (GLuint)locNum, attrib._frequency * (isStereo() ? 2 : 1));
} }
// TODO: Support properly the IAttrib version // TODO: Support properly the IAttrib version

4
libraries/gpu/src/gpu/Transform.slh
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@ -103,7 +103,7 @@ TransformObject getTransformObject() {
#ifdef GPU_TRANSFORM_IS_STEREO #ifdef GPU_TRANSFORM_IS_STEREO
vec4 eyeClipEdge[2]= vec4[2](vec4(-1,0,0,1), vec4(1,0,0,1)); vec4 eyeClipEdge[2]= vec4[2](vec4(-1,0,0,1), vec4(1,0,0,1));
vec2 eyeOffsetScale = vec2(-0.5, +0.5); vec2 eyeOffsetScale = vec2(-0.5, +0.5);
uint eyeIndex = gl_InstanceID % 2; uint eyeIndex = _stereoSide;
gl_ClipDistance[0] = dot(<$clipPos$>, eyeClipEdge[eyeIndex]); gl_ClipDistance[0] = dot(<$clipPos$>, eyeClipEdge[eyeIndex]);
float newClipPosX = <$clipPos$>.x * 0.5 + eyeOffsetScale[eyeIndex] * <$clipPos$>.w; float newClipPosX = <$clipPos$>.x * 0.5 + eyeOffsetScale[eyeIndex] * <$clipPos$>.w;
<$clipPos$>.x = newClipPosX; <$clipPos$>.x = newClipPosX;
@ -189,6 +189,8 @@ TransformObject getTransformObject() {
<@func transformEyeToClipPos(cameraTransform, eyePos, clipPos)@> <@func transformEyeToClipPos(cameraTransform, eyePos, clipPos)@>
{ // transformEyeToClipPos { // transformEyeToClipPos
<$clipPos$> = <$cameraTransform$>._projection * vec4(<$eyePos$>.xyz, 1.0); <$clipPos$> = <$cameraTransform$>._projection * vec4(<$eyePos$>.xyz, 1.0);
<$transformStereoClipsSpace($cameraTransform$, $clipPos$)$>
} }
<@endfunc@> <@endfunc@>

2
libraries/model/src/model/skybox.slv
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@ -36,4 +36,6 @@ void main(void) {
// Position is supposed to come in clip space // Position is supposed to come in clip space
gl_Position = vec4(inPosition.xy, 0.0, 1.0); gl_Position = vec4(inPosition.xy, 0.0, 1.0);
<$transformStereoClipsSpace(cam, gl_Position)$>
} }