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wined3d: Enable SM3 if ARB_shader_texture_lod is supported.

This commit is contained in:
Henri Verbeet 2011-04-25 22:54:15 +02:00 committed by Alexandre Julliard
parent 9d0e17e9ea
commit 3f0120241b
1 changed files with 9 additions and 2 deletions
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11
dlls/wined3d/glsl_shader.c
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@ -4933,9 +4933,16 @@ static void shader_glsl_get_caps(const struct wined3d_gl_info *gl_info, struct s
* goes up to 512. Assume that if the number of instructions is 512 or
* less we have to do with SM2 hardware. NOTE: SM3 requires 512 or more
* instructions but ATI and NVIDIA offer more than that (1024 vs 4096) on
* their most basic SM3 hardware. */
* their most basic SM3 hardware.
*
* ARB_shader_texture_lod is a requirement for SM3 (texldd). Ideally we'd
* make this a hard requirement, but the extension is still somewhat new,
* and relatively few SM3 shaders actually depend on it. For the moment
* just use it to enable SM3 (20110423). */
if ((gl_info->supported[NV_VERTEX_PROGRAM3] && gl_info->supported[NV_FRAGMENT_PROGRAM2])
|| gl_info->limits.arb_ps_instructions > 512)
|| gl_info->limits.arb_ps_instructions > 512
|| gl_info->supported[ARB_SHADER_TEXTURE_LOD]
|| gl_info->supported[EXT_GPU_SHADER4])
{
pCaps->VertexShaderVersion = WINED3DVS_VERSION(3,0);
pCaps->PixelShaderVersion = WINED3DPS_VERSION(3,0);