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added GetMatrixProjection fixed issue with GL11 where model matrix was identity (#999)

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chriscamacho 2019-10-27 11:13:18 +00:00 • committed by Ray
parent a6db31c01e
commit 90b3dceb54
2 changed files with 23 additions and 1 deletions
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1
src/raylib.h
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@ -1319,6 +1319,7 @@ RLAPI void SetShaderValueTexture(Shader shader, int uniformLoc, Texture2D textur
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

21
src/rlgl.h
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@ -3155,6 +3155,23 @@ void SetMatrixProjection(Matrix proj)
#endif
}
// Return internal projection matrix
Matrix GetMatrixProjection(void) {
#if defined(GRAPHICS_API_OPENGL_11)
float mat[16];
glGetFloatv(GL_PROJECTION_MATRIX,mat);
Matrix m;
m.m0 = mat[0]; m.m1 = mat[1]; m.m2 = mat[2]; m.m3 = mat[3];
m.m4 = mat[4]; m.m5 = mat[5]; m.m6 = mat[6]; m.m7 = mat[7];
m.m8 = mat[8]; m.m9 = mat[9]; m.m10 = mat[10]; m.m11 = mat[11];
m.m12 = mat[12]; m.m13 = mat[13]; m.m14 = mat[14]; m.m15 = mat[15];
return m;
#else
return projection;
#endif
#
}
// Set a custom modelview matrix (replaces internal modelview matrix)
void SetMatrixModelview(Matrix view)
{
@ -3170,6 +3187,10 @@ Matrix GetMatrixModelview(void)
#if defined(GRAPHICS_API_OPENGL_11)
float mat[16];
glGetFloatv(GL_MODELVIEW_MATRIX, mat);
matrix.m0 = mat[0]; matrix.m1 = mat[1]; matrix.m2 = mat[2]; matrix.m3 = mat[3];
matrix.m4 = mat[4]; matrix.m5 = mat[5]; matrix.m6 = mat[6]; matrix.m7 = mat[7];
matrix.m8 = mat[8]; matrix.m9 = mat[9]; matrix.m10 = mat[10]; matrix.m11 = mat[11];
matrix.m12 = mat[12]; matrix.m13 = mat[13]; matrix.m14 = mat[14]; matrix.m15 = mat[15];
#else
matrix = modelview;
#endif