From 114152e068ec919feb0a57a1259c2ada970b9f02 Mon Sep 17 00:00:00 2001 From: Roland Scheidegger Date: Thu, 12 Mar 2009 15:01:16 +0100 Subject: mesa: add support for ATI_envmap_bumpmap add new entrypoints, new texture format, etc translate in texenvprogram.c for drivers using the mesa-generated tex env fragment program also handled in swrast, but not tested (cannot work due to negative texel results not handled correctly) --- src/mesa/main/texstate.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/mesa/main/texstate.c') diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index d71f9530cb..a5af622910 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -95,6 +95,11 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst ) /* GL_EXT_texture_env_combine */ dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine; + /* GL_ATI_envmap_bumpmap - need this? */ + dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget; + COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix); + + /* copy texture object bindings, not contents of texture objects */ _mesa_lock_context_textures(dst); @@ -411,6 +416,10 @@ update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit) case GL_MODULATE_SUBTRACT_ATI: combine->_NumArgsRGB = 3; break; + case GL_BUMP_ENVMAP_ATI: + /* no real arguments for this case */ + combine->_NumArgsRGB = 0; + break; default: combine->_NumArgsRGB = 0; _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state"); @@ -682,6 +691,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) texUnit->Combine = default_combine_state; texUnit->_EnvMode = default_combine_state; texUnit->_CurrentCombine = & texUnit->_EnvMode; + texUnit->BumpTarget = GL_TEXTURE0; texUnit->TexGenEnabled = 0x0; texUnit->GenS.Mode = GL_EYE_LINEAR; @@ -702,6 +712,16 @@ init_texture_unit( GLcontext *ctx, GLuint unit ) ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 ); ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 ); ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 ); + ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 ); + /* no mention of this in spec, but maybe id matrix expected? */ + ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 ); /* initialize current texture object ptrs to the shared default objects */ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) { -- cgit v1.2.3