All screen shots were taken at 1280x1024 0xAA 8xAF with all details enabled, including:
We saved the images as High Quality JPEG images, with the compression set at 80% inside Adobe Photoshop. JPEG artifacts should be kept to a minimum at this setting, while keeping the file sizes relatively reasonable at the same time.
On the GeForce 7800 GTX (left), you can see that there's a generally higher range of dynamic light - there's a larger glow around Sam Fisher from the light that is above him, meaning that the contours of his face are more prominent than on the Radeon X850 XT Platinum Edition (right). You can also see that the the glow that is being emitted from his headset has more bloom and flair.
In this instance, ATI have managed to get reasonably close to the image produced on NVIDIA's GeForce 7800 GTX. As we have mentioned before High-Dynamic Range Rendering is possible with ATI's current hardware, but we had suspected that the colour range would not be as great as what could be achieved with a higher precision and colour depth. The lighting flair off the gate's lock is not massively different, but the reflections on the bars and wall behind are more vibrant on the GeForce 7800 GTX.
The lighting in this scene is quite different, again we think this is down to the higher colour depth that is a part of the Shader Model 3.0 specification. There appear to be differences in the Parallax Mapping quality, but we are putting this down to the fact that the lighting on the GeForce 7800 GTX is of a greater intensity than what can be seen on the Radeon X850 XT Platinum Edition. Basically, the more vibrant lighting complements the Parallax Mapping taking place on the surfaces in the arch making it look like there is a more detailed scene.
- Specular Lighting
- HDR Rendering
- Tone Mapping
- High Quality Soft Shadows
- Hardware Shadow Mapping
- Parallax Mapping
- High-Quality Textures
- Trilinear Filtering and
- High Resolution Shadows.
We saved the images as High Quality JPEG images, with the compression set at 80% inside Adobe Photoshop. JPEG artifacts should be kept to a minimum at this setting, while keeping the file sizes relatively reasonable at the same time.
On the GeForce 7800 GTX (left), you can see that there's a generally higher range of dynamic light - there's a larger glow around Sam Fisher from the light that is above him, meaning that the contours of his face are more prominent than on the Radeon X850 XT Platinum Edition (right). You can also see that the the glow that is being emitted from his headset has more bloom and flair.
In this instance, ATI have managed to get reasonably close to the image produced on NVIDIA's GeForce 7800 GTX. As we have mentioned before High-Dynamic Range Rendering is possible with ATI's current hardware, but we had suspected that the colour range would not be as great as what could be achieved with a higher precision and colour depth. The lighting flair off the gate's lock is not massively different, but the reflections on the bars and wall behind are more vibrant on the GeForce 7800 GTX.
The lighting in this scene is quite different, again we think this is down to the higher colour depth that is a part of the Shader Model 3.0 specification. There appear to be differences in the Parallax Mapping quality, but we are putting this down to the fact that the lighting on the GeForce 7800 GTX is of a greater intensity than what can be seen on the Radeon X850 XT Platinum Edition. Basically, the more vibrant lighting complements the Parallax Mapping taking place on the surfaces in the arch making it look like there is a more detailed scene.
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October 14 2021 | 15:04
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Posted by (PTK) - Fri Aug 05 2005 17:14
Posted by Etacovda - Fri Aug 05 2005 17:33
interesting stuff
Posted by quadmodz - Fri Aug 05 2005 17:45
Posted by Tim S - Fri Aug 05 2005 17:54
In short - there's more light on the left on P2 & P3. Page 4 - I artificially adjusted the images on the right to try and get as close as possible to the background lighting on the left images in an attempt to see the differences between the two High Dynamic Range Lighting implementations.