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Better fix that always ensures the rlgl matrix is always valid

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This commit is contained in:
Jeffery Myers 2021-01-02 10:29:05 -08:00
parent 3104e805b4
commit 40279e843c
2 changed files with 7 additions and 2 deletions
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3
src/core.c
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@ -4003,8 +4003,7 @@ static void SetupViewport(int width, int height)
// Set orthographic projection to current framebuffer size // Set orthographic projection to current framebuffer size
// NOTE: Configured top-left corner as (0, 0) // NOTE: Configured top-left corner as (0, 0)
if (width > 0 && height > 0) rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f);
rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f);
rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix
rlLoadIdentity(); // Reset current matrix (modelview) rlLoadIdentity(); // Reset current matrix (modelview)

6
src/rlgl.h
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@ -1100,6 +1100,12 @@ void rlFrustum(double left, double right, double bottom, double top, double znea
// Multiply the current matrix by an orthographic matrix generated by parameters // Multiply the current matrix by an orthographic matrix generated by parameters
void rlOrtho(double left, double right, double bottom, double top, double znear, double zfar) void rlOrtho(double left, double right, double bottom, double top, double znear, double zfar)
{ {
if (right - left <= 0 || bottom - top <= 0)
{
*RLGL.State.currentMatrix = MatrixIdentity();
return;
}
Matrix matOrtho = MatrixOrtho(left, right, bottom, top, znear, zfar); Matrix matOrtho = MatrixOrtho(left, right, bottom, top, znear, zfar);
*RLGL.State.currentMatrix = MatrixMultiply(*RLGL.State.currentMatrix, matOrtho); *RLGL.State.currentMatrix = MatrixMultiply(*RLGL.State.currentMatrix, matOrtho);