diff options
Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl | 111 |
1 files changed, 56 insertions, 55 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl b/source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl index 338ef6d51a7..15d30e75969 100644 --- a/source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl +++ b/source/blender/gpu/shaders/gpu_shader_fx_dof_frag.glsl @@ -17,17 +17,18 @@ uniform vec4 dof_params; uniform vec4 viewvecs[3]; // coordinates on framebuffer in normalized (0.0-1.0) uv space -varying vec4 uvcoordsvar; +in vec4 uvcoordsvar; /* color texture coordinates, offset by a small amount */ -varying vec2 color_uv1; -varying vec2 color_uv2; +in vec2 color_uv1; +in vec2 color_uv2; -varying vec2 depth_uv1; -varying vec2 depth_uv2; -varying vec2 depth_uv3; -varying vec2 depth_uv4; +in vec2 depth_uv1; +in vec2 depth_uv2; +in vec2 depth_uv3; +in vec2 depth_uv4; +out vec4 FragColor; float calculate_far_coc(in float zdepth) { @@ -63,85 +64,85 @@ void first_pass() offset_row[2] = 3.0 * offset_row[0]; /* heavily blur the image */ - vec4 color = texture2D(colorbuffer, color_uv1); - color += texture2D(colorbuffer, color_uv1 + offset_row[1]); - color += texture2D(colorbuffer, color_uv2); - color += texture2D(colorbuffer, color_uv2 + offset_row[1]); + vec4 color = texture(colorbuffer, color_uv1); + color += texture(colorbuffer, color_uv1 + offset_row[1]); + color += texture(colorbuffer, color_uv2); + color += texture(colorbuffer, color_uv2 + offset_row[1]); color /= 4.0; - depth.r = texture2D(depthbuffer, depth_uv1).r; - depth.g = texture2D(depthbuffer, depth_uv2).r; - depth.b = texture2D(depthbuffer, depth_uv3).r; - depth.a = texture2D(depthbuffer, depth_uv4).r; + depth.r = texture(depthbuffer, depth_uv1).r; + depth.g = texture(depthbuffer, depth_uv2).r; + depth.b = texture(depthbuffer, depth_uv3).r; + depth.a = texture(depthbuffer, depth_uv4).r; zdepth = get_view_space_z_from_depth(vec4(viewvecs[0].z), vec4(viewvecs[1].z), depth); coc = calculate_near_coc(zdepth); - depth.r = texture2D(depthbuffer, depth_uv1 + offset_row[0]).r; - depth.g = texture2D(depthbuffer, depth_uv2 + offset_row[0]).r; - depth.b = texture2D(depthbuffer, depth_uv3 + offset_row[0]).r; - depth.a = texture2D(depthbuffer, depth_uv4 + offset_row[0]).r; + depth.r = texture(depthbuffer, depth_uv1 + offset_row[0]).r; + depth.g = texture(depthbuffer, depth_uv2 + offset_row[0]).r; + depth.b = texture(depthbuffer, depth_uv3 + offset_row[0]).r; + depth.a = texture(depthbuffer, depth_uv4 + offset_row[0]).r; zdepth = get_view_space_z_from_depth(vec4(viewvecs[0].z), vec4(viewvecs[1].z), depth); coc = max(calculate_near_coc(zdepth), coc); - depth.r = texture2D(depthbuffer, depth_uv1 + offset_row[1]).r; - depth.g = texture2D(depthbuffer, depth_uv2 + offset_row[1]).r; - depth.b = texture2D(depthbuffer, depth_uv3 + offset_row[1]).r; - depth.a = texture2D(depthbuffer, depth_uv4 + offset_row[1]).r; + depth.r = texture(depthbuffer, depth_uv1 + offset_row[1]).r; + depth.g = texture(depthbuffer, depth_uv2 + offset_row[1]).r; + depth.b = texture(depthbuffer, depth_uv3 + offset_row[1]).r; + depth.a = texture(depthbuffer, depth_uv4 + offset_row[1]).r; zdepth = get_view_space_z_from_depth(vec4(viewvecs[0].z), vec4(viewvecs[1].z), depth); coc = max(calculate_near_coc(zdepth), coc); - depth.r = texture2D(depthbuffer, depth_uv1 + offset_row[2]).r; - depth.g = texture2D(depthbuffer, depth_uv2 + offset_row[2]).r; - depth.b = texture2D(depthbuffer, depth_uv3 + offset_row[2]).r; - depth.a = texture2D(depthbuffer, depth_uv4 + offset_row[2]).r; + depth.r = texture(depthbuffer, depth_uv1 + offset_row[2]).r; + depth.g = texture(depthbuffer, depth_uv2 + offset_row[2]).r; + depth.b = texture(depthbuffer, depth_uv3 + offset_row[2]).r; + depth.a = texture(depthbuffer, depth_uv4 + offset_row[2]).r; zdepth = get_view_space_z_from_depth(vec4(viewvecs[0].z), vec4(viewvecs[1].z), depth); coc = max(calculate_near_coc(zdepth), coc); final_coc = max(max(coc.x, coc.y), max(coc.z, coc.w)); - gl_FragColor = vec4(color.rgb, final_coc); + FragColor = vec4(color.rgb, final_coc); } /* second pass, gaussian blur the downsampled image */ void second_pass() { - vec4 depth = vec4(texture2D(depthbuffer, uvcoordsvar.xy).r); + vec4 depth = vec4(texture(depthbuffer, uvcoordsvar.xy).r); /* clever sampling to sample 2 pixels at once. Of course it's not real gaussian sampling this way */ - vec4 color = texture2D(colorbuffer, uvcoordsvar.xy) * 0.3125; - color += texture2D(colorbuffer, uvcoordsvar.xy + invrendertargetdim) * 0.234375; - color += texture2D(colorbuffer, uvcoordsvar.xy + 2.5 * invrendertargetdim) * 0.09375; - color += texture2D(colorbuffer, uvcoordsvar.xy + 4.5 * invrendertargetdim) * 0.015625; - color += texture2D(colorbuffer, uvcoordsvar.xy - invrendertargetdim) * 0.234375; - color += texture2D(colorbuffer, uvcoordsvar.xy - 2.5 * invrendertargetdim) * 0.09375; - color += texture2D(colorbuffer, uvcoordsvar.xy - 4.5 * invrendertargetdim) * 0.015625; - - gl_FragColor = color; + vec4 color = texture(colorbuffer, uvcoordsvar.xy) * 0.3125; + color += texture(colorbuffer, uvcoordsvar.xy + invrendertargetdim) * 0.234375; + color += texture(colorbuffer, uvcoordsvar.xy + 2.5 * invrendertargetdim) * 0.09375; + color += texture(colorbuffer, uvcoordsvar.xy + 4.5 * invrendertargetdim) * 0.015625; + color += texture(colorbuffer, uvcoordsvar.xy - invrendertargetdim) * 0.234375; + color += texture(colorbuffer, uvcoordsvar.xy - 2.5 * invrendertargetdim) * 0.09375; + color += texture(colorbuffer, uvcoordsvar.xy - 4.5 * invrendertargetdim) * 0.015625; + + FragColor = color; } /* third pass, calculate the final coc from blurred and unblurred images */ void third_pass() { - vec4 color = texture2D(colorbuffer, uvcoordsvar.xy); - vec4 color_blurred = texture2D(blurredcolorbuffer, uvcoordsvar.xy); + vec4 color = texture(colorbuffer, uvcoordsvar.xy); + vec4 color_blurred = texture(blurredcolorbuffer, uvcoordsvar.xy); float coc = 2.0 * max(color_blurred.a, color.a); -color.a; - gl_FragColor = vec4(color.rgb, coc); + FragColor = vec4(color.rgb, coc); } /* fourth pass, blur the final coc once to get rid of discontinuities */ void fourth_pass() { - vec4 color = texture2D(colorbuffer, uvcoordsvar.xz); - color += texture2D(colorbuffer, uvcoordsvar.yz); - color += texture2D(colorbuffer, uvcoordsvar.xw); - color += texture2D(colorbuffer, uvcoordsvar.yw); + vec4 color = texture(colorbuffer, uvcoordsvar.xz); + color += texture(colorbuffer, uvcoordsvar.yz); + color += texture(colorbuffer, uvcoordsvar.xw); + color += texture(colorbuffer, uvcoordsvar.yw); - gl_FragColor = color / 4.0; + FragColor = color / 4.0; } vec4 small_sample_blur(in sampler2D colorbuffer, in vec2 uv, in vec4 color) @@ -150,10 +151,10 @@ vec4 small_sample_blur(in sampler2D colorbuffer, in vec2 uv, in vec4 color) vec4 result = weight * color; weight *= 4.0; - result += weight * texture2D(colorbuffer, uv + color_uv1.xy); - result += weight * texture2D(colorbuffer, uv - color_uv1.xy); - result += weight * texture2D(colorbuffer, uv + color_uv1.yx); - result += weight * texture2D(colorbuffer, uv - color_uv1.yx); + result += weight * texture(colorbuffer, uv + color_uv1.xy); + result += weight * texture(colorbuffer, uv - color_uv1.xy); + result += weight * texture(colorbuffer, uv + color_uv1.yx); + result += weight * texture(colorbuffer, uv - color_uv1.yx); return result; } @@ -163,11 +164,11 @@ vec4 small_sample_blur(in sampler2D colorbuffer, in vec2 uv, in vec4 color) void fifth_pass() { vec4 factors; - vec4 color_orig = texture2D(colorbuffer, uvcoordsvar.xy); - vec4 highblurred = texture2D(blurredcolorbuffer, uvcoordsvar.xy); - vec4 mediumblurred = texture2D(mblurredcolorbuffer, uvcoordsvar.xy); + vec4 color_orig = texture(colorbuffer, uvcoordsvar.xy); + vec4 highblurred = texture(blurredcolorbuffer, uvcoordsvar.xy); + vec4 mediumblurred = texture(mblurredcolorbuffer, uvcoordsvar.xy); vec4 smallblurred = small_sample_blur(colorbuffer, uvcoordsvar.xy, color_orig); - float depth = texture2D(depthbuffer, uvcoordsvar.xy).r; + float depth = texture(depthbuffer, uvcoordsvar.xy).r; float zdepth = get_view_space_z_from_depth(vec4(viewvecs[0].z), vec4(viewvecs[1].z), vec4(depth)).r; float coc_far = clamp(calculate_far_coc(zdepth), 0.0, 1.0); @@ -188,7 +189,7 @@ void fifth_pass() color /= dot(factors, vec4(1.0)); /* using original color is not correct, but use that for now because alpha of * blurred buffers uses CoC instead */ - gl_FragColor = vec4(color.rgb, color_orig.a); + FragColor = vec4(color.rgb, color_orig.a); } |