diff options
Diffstat (limited to 'src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag')
-rw-r--r-- | src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag b/src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag index c743d3a13..c2d935fcd 100644 --- a/src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag +++ b/src/video_core/host_shaders/convert_d24s8_to_b10g11r11.frag @@ -9,13 +9,24 @@ layout(binding = 1) uniform isampler2D stencil_tex; layout(location = 0) out vec4 color; +float conv_to_float(uint value, uint mantissa_bits) { + uint exp = (value >> mantissa_bits) & 0x1Fu; + uint mantissa_shift = 32u - mantissa_bits; + uint mantissa = (value << mantissa_shift) >> mantissa_shift; + return uintBitsToFloat((exp << 23) | (mantissa << (23 - mantissa_bits))); +} + void main() { ivec2 coord = ivec2(gl_FragCoord.xy); - uint depth = uint(textureLod(depth_tex, coord, 0).r * (exp2(24.0) - 1.0f)); + uint depth = uint(textureLod(depth_tex, coord, 0).r * (exp2(32.0) - 1.0f)); uint stencil = uint(textureLod(stencil_tex, coord, 0).r); + uint depth_stencil = (stencil << 24) | (depth >> 8); + uint red_int = (depth_stencil >> 21) & 0x07FF; + uint green_int = (depth_stencil >> 10) & 0x07FF; + uint blue_int = depth_stencil & 0x03FF; - color.b = float(depth >> 22) / (exp2(10) - 1.0); - color.g = float((depth >> 11) & 0x00FF) / (exp2(11) - 1.0); - color.r = float(depth & 0x00FF) / (exp2(11) - 1.0); + color.r = conv_to_float(red_int, 6u); + color.g = conv_to_float(green_int, 6u); + color.b = conv_to_float(blue_int, 5u); color.a = 1.0f; } |