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LibGL+LibSoftGPU: Implement the stencil buffer
This implements an 8-bit front stencil buffer. Stencil operations are SIMD optimized. LibGL changes include: * New `glStencilMask` and `glStencilMaskSeparate` functions * New context parameter `GL_STENCIL_CLEAR_VALUE`
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13 changed files with 430 additions and 77 deletions
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@ -97,6 +97,7 @@ public:
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virtual void gl_pixel_storei(GLenum pname, GLint param) = 0;
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virtual void gl_scissor(GLint x, GLint y, GLsizei width, GLsizei height) = 0;
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virtual void gl_stencil_func_separate(GLenum face, GLenum func, GLint ref, GLuint mask) = 0;
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virtual void gl_stencil_mask_separate(GLenum face, GLuint mask) = 0;
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virtual void gl_stencil_op_separate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) = 0;
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virtual void gl_normal(GLfloat nx, GLfloat ny, GLfloat nz) = 0;
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virtual void gl_normal_pointer(GLenum type, GLsizei stride, void const* pointer) = 0;
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