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Increased code readability in EndVrDrawing

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This commit is contained in:
Shraiwi 2021-02-10 01:18:59 -06:00
parent 625caacbf0
commit fb892e900a
2 changed files with 18 additions and 14 deletions
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1
src/raylib.h
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@ -874,6 +874,7 @@ typedef enum {
// VR Output Transformations // VR Output Transformations
typedef enum { typedef enum {
VR_OUTPUT_ROTATE_NONE = 0x00000000, // Set to apply no rotation transform
VR_OUTPUT_ROTATE_90 = 0x00000001, // Set to rotate the output stereo view by 90 degrees (clockwise) VR_OUTPUT_ROTATE_90 = 0x00000001, // Set to rotate the output stereo view by 90 degrees (clockwise)
VR_OUTPUT_ROTATE_180 = 0x00000002, // Set to rotate the output stereo view by 180 degrees (clockwise) VR_OUTPUT_ROTATE_180 = 0x00000002, // Set to rotate the output stereo view by 180 degrees (clockwise)
VR_OUTPUT_ROTATE_270 = 0x00000003, // Set to rotate the output stereo view by 270 degrees (clockwise) VR_OUTPUT_ROTATE_270 = 0x00000003, // Set to rotate the output stereo view by 270 degrees (clockwise)

31
src/rlgl.h
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@ -4005,41 +4005,44 @@ void EndVrDrawing(void)
rlEnableTexture(RLGL.Vr.stereoTexId); rlEnableTexture(RLGL.Vr.stereoTexId);
// Extract transform flags
bool shouldFlipH = RLGL.Vr.outputTransformFlags & VR_OUTPUT_FLIP_H; bool shouldFlipH = RLGL.Vr.outputTransformFlags & VR_OUTPUT_FLIP_H;
bool shouldFlipV = RLGL.Vr.outputTransformFlags & VR_OUTPUT_FLIP_V; bool shouldFlipV = RLGL.Vr.outputTransformFlags & VR_OUTPUT_FLIP_V;
int point = RLGL.Vr.outputTransformFlags & 0b11; // Extract lower bits from transform flags // Declare four UV coordinates with vertical and horizontal flips according to the flags
float uvPoints[][2] = { float uvPoints[][2] = {
{ (float)(shouldFlipH ^ 0), (float)(shouldFlipV ^ 1) }, { (float)(shouldFlipH ^ 0), (float)(shouldFlipV ^ 1) }, // Bottom-left corner for texture
{ (float)(shouldFlipH ^ 0), (float)(shouldFlipV ^ 0) }, { (float)(shouldFlipH ^ 0), (float)(shouldFlipV ^ 0) }, // Bottom-right corner for texture
{ (float)(shouldFlipH ^ 1), (float)(shouldFlipV ^ 0) }, { (float)(shouldFlipH ^ 1), (float)(shouldFlipV ^ 0) }, // Top-right corner for texture
{ (float)(shouldFlipH ^ 1), (float)(shouldFlipV ^ 1) } { (float)(shouldFlipH ^ 1), (float)(shouldFlipV ^ 1) } // Top-left corner for texture
}; };
int pointOffset = RLGL.Vr.outputTransformFlags & 0b11; // Extract lower bits from transform flags
int point = 0;
rlPushMatrix(); rlPushMatrix();
rlBegin(RL_QUADS); rlBegin(RL_QUADS);
rlColor4ub(255, 255, 255, 255); rlColor4ub(255, 255, 255, 255);
rlNormal3f(0.0f, 0.0f, 1.0f); rlNormal3f(0.0f, 0.0f, 1.0f);
// Bottom-left corner for texture and quad // Bottom-left corner for quad
point = (pointOffset + 0) % 4;
rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]); rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]);
point = (point + 1) % 4;
rlVertex2f(0.0f, 0.0f); rlVertex2f(0.0f, 0.0f);
// Bottom-right corner for texture and quad // Bottom-right corner for quad
point = (pointOffset + 1) % 4;
rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]); rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]);
point = (point + 1) % 4;
rlVertex2f(0.0f, (float)RLGL.State.framebufferHeight); rlVertex2f(0.0f, (float)RLGL.State.framebufferHeight);
// Top-right corner for texture and quad // Top-right corner for quad
point = (pointOffset + 2) % 4;
rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]); rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]);
point = (point + 1) % 4;
rlVertex2f((float)RLGL.State.framebufferWidth, (float)RLGL.State.framebufferHeight); rlVertex2f((float)RLGL.State.framebufferWidth, (float)RLGL.State.framebufferHeight);
// Top-left corner for texture and quad // Top-left corner for quad
point = (pointOffset + 3) % 4;
rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]); rlTexCoord2f(uvPoints[point][0], uvPoints[point][1]);
point = (point + 1) % 4;
rlVertex2f((float)RLGL.State.framebufferWidth, 0.0f); rlVertex2f((float)RLGL.State.framebufferWidth, 0.0f);
rlEnd(); rlEnd();
rlPopMatrix(); rlPopMatrix();