Differential D2133 Diff 8390 source/blender/gpu/intern/gpu_compositing.c

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source/blender/gpu/intern/gpu_compositing.c

Show First 20 Lines • Show All 393 Lines • ▼ Show 20 Lines	bool GPU_fx_compositor_initialize_passes(

/* disable effects if no options passed for them */		/* disable effects if no options passed for them */
if (!fx_settings->dof) {		if (!fx_settings->dof) {
fx_flag &= ~GPU_FX_FLAG_DOF;		fx_flag &= ~GPU_FX_FLAG_DOF;
}		}
if (!fx_settings->ssao \|\| fx_settings->ssao->samples < 1) {		if (!fx_settings->ssao \|\| fx_settings->ssao->samples < 1) {
fx_flag &= ~GPU_FX_FLAG_SSAO;		fx_flag &= ~GPU_FX_FLAG_SSAO;
}		}
		if (!fx_settings->lensdist) {
		fx_flag &= ~GPU_FX_FLAG_LensDist;
		}

if (!fx_flag) {		if (!fx_flag) {
cleanup_fx_gl_data(fx, true);		cleanup_fx_gl_data(fx, true);
return false;		return false;
}		}

/* scissor is missing when drawing offscreen, in that case, dimensions match exactly. In opposite case		/* scissor is missing when drawing offscreen, in that case, dimensions match exactly. In opposite case
* add one to match viewport dimensions */		* add one to match viewport dimensions */
if (scissor_rect) {		if (scissor_rect) {
w++;		w++;
h++;		h++;
}		}

fx->num_passes = 0;		fx->num_passes = 0;
/* dof really needs a ping-pong buffer to work */		/* dof really needs a ping-pong buffer to work */
if (fx_flag & GPU_FX_FLAG_DOF)		if (fx_flag & GPU_FX_FLAG_DOF)
num_passes++;		num_passes++;

if (fx_flag & GPU_FX_FLAG_SSAO)		if (fx_flag & GPU_FX_FLAG_SSAO)
num_passes++;		num_passes++;

		if (fx_flag & GPU_FX_FLAG_LensDist)
		num_passes++;

if (!fx->gbuffer) {		if (!fx->gbuffer) {
fx->gbuffer = GPU_framebuffer_create();		fx->gbuffer = GPU_framebuffer_create();

if (!fx->gbuffer) {		if (!fx->gbuffer) {
return false;		return false;
}		}
}		}

▲ Show 20 Lines • Show All 285 Lines • ▼ Show 20 Lines	void GPU_fx_compositor_XRay_resolve(GPUFX *fx)

glBindBuffer(GL_ARRAY_BUFFER, 0);		glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisableClientState(GL_VERTEX_ARRAY);		glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);		glDisableClientState(GL_TEXTURE_COORD_ARRAY);

glPopAttrib();		glPopAttrib();
}		}


bool GPU_fx_do_composite_pass(		bool GPU_fx_do_composite_pass(
GPUFX *fx, float projmat[4][4], bool is_persp,		GPUFX *fx, float projmat[4][4], bool is_persp,
struct Scene scene, struct GPUOffScreen ofs)		struct Scene scene, struct GPUOffScreen ofs,
		bool is_left, void *hmd_distortion_params)
{		{
GPUTexture src, target;		GPUTexture src, target;
int numslots = 0;		int numslots = 0;
float invproj[4][4];		float invproj[4][4];
int i;		int i;
float dfdyfac[2];		float dfdyfac[2];
/* number of passes left. when there are no more passes, the result is passed to the frambuffer */		/* number of passes left. when there are no more passes, the result is passed to the frambuffer */
int passes_left = fx->num_passes;		int passes_left = fx->num_passes;
▲ Show 20 Lines • Show All 546 Lines • ▼ Show 20 Lines	else {
}		}

SWAP(GPUTexture *, target, src);		SWAP(GPUTexture *, target, src);
numslots = 0;		numslots = 0;
}		}
}		}
}		}

		/* third pass, Lens Distortion */
		if (fx->effects & GPU_FX_FLAG_LensDist) {
		GPUShader *lensdist_shader = GPU_shader_get_builtin_fx_shader(GPU_SHADER_FX_LENS_DISTORTION, is_persp);

		if (lensdist_shader && hmd_distortion_params) {

		struct OpenHMDDistortionParameters {
		float viewport_scale[2];
		float distortion_coeffs[4];
		float aberr_scale[3];
		float sep;
		float left_lens_center[2];
		float right_lens_center[2];
		};

		struct OpenHMDDistortionParameters* distparams = (struct OpenHMDDistortionParameters*)hmd_distortion_params;

		distparams->left_lens_center[0] = distparams->viewport_scale[0] - distparams->sep/2.0f;
		distparams->right_lens_center[0] = distparams->sep/2.0f;
		//asume calibration was for lens view to which ever edge of screen is further away from lens center
		float warp_scale = (distparams->left_lens_center[0] > distparams->right_lens_center[0]) ? distparams->left_lens_center[0] : distparams->right_lens_center[0];

		const int color_uniform = GPU_shader_get_uniform(lensdist_shader, "warpTexture");
		const int viewport_scale = GPU_shader_get_uniform(lensdist_shader, "ViewportScale");
		const int lens_center_f = GPU_shader_get_uniform(lensdist_shader, "LensCenter");
		const int warp_scale_f = GPU_shader_get_uniform(lensdist_shader, "WarpScale");
		const int HmdWarpParam_f = GPU_shader_get_uniform(lensdist_shader, "HmdWarpParam");
		const int aberr_f = GPU_shader_get_uniform(lensdist_shader, "aberr");

		GPU_shader_bind(lensdist_shader);

		if (is_left)
		GPU_shader_uniform_vector(lensdist_shader, lens_center_f, 2, 1, distparams->left_lens_center);
		else
		GPU_shader_uniform_vector(lensdist_shader, lens_center_f, 2, 1, distparams->right_lens_center);

		GPU_shader_uniform_vector(lensdist_shader, viewport_scale, 2, 1, distparams->viewport_scale);
		GPU_shader_uniform_float(lensdist_shader, warp_scale_f, warp_scale);
		GPU_shader_uniform_vector(lensdist_shader, HmdWarpParam_f, 4, 1, distparams->distortion_coeffs);
		GPU_shader_uniform_vector(lensdist_shader, aberr_f, 3, 1, distparams->aberr_scale);

		GPU_texture_bind(src, numslots++);
		GPU_shader_uniform_texture(lensdist_shader, color_uniform, src);

		/* draw */
		gpu_fx_bind_render_target(&passes_left, fx, ofs, target);

		glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

		/* disable bindings */
		GPU_texture_unbind(src);

		/* may not be attached, in that case this just returns */
		if (target) {
		GPU_framebuffer_texture_detach(target);
		if (ofs) {
		GPU_offscreen_bind(ofs, false);
		}
		else {
		GPU_framebuffer_restore();
		}
		}

		/* swap here, after src/target have been unbound */
		SWAP(GPUTexture *, target, src);
		numslots = 0;
		}
		}

glDisableClientState(GL_VERTEX_ARRAY);		glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);		glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, 0);		glBindBuffer(GL_ARRAY_BUFFER, 0);

GPU_shader_unbind();		GPU_shader_unbind();

return true;		return true;
}		}
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