diff options
Diffstat (limited to 'src/mesa/main/state.c')
-rw-r--r-- | src/mesa/main/state.c | 156 |
1 files changed, 92 insertions, 64 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index 344af91e172..5827f2211c0 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -51,6 +51,18 @@ #include "texstate.h" + + +static void +update_separate_specular(GLcontext *ctx) +{ + if (NEED_SECONDARY_COLOR(ctx)) + ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR; + else + ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR; +} + + /** * Update state dependent on vertex arrays. */ @@ -176,7 +188,7 @@ update_program(GLcontext *ctx) ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled && ctx->FragmentProgram.Current->Base.Instructions; ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled - && ctx->ATIFragmentShader.Current->Instructions; + && ctx->ATIFragmentShader.Current->Instructions[0]; /* * Set the ctx->VertexProgram._Current and ctx->FragmentProgram._Current @@ -194,77 +206,65 @@ update_program(GLcontext *ctx) * come up, or matter. */ - /** - ** Fragment program - **/ -#if 1 - /* XXX get rid of this someday? */ - ctx->FragmentProgram._Active = GL_FALSE; -#endif - if (shProg && shProg->LinkStatus && shProg->FragmentProgram) { - /* user-defined fragment shader */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); + + if (shProg && shProg->LinkStatus) { + /* Use shader programs */ + /* XXX this isn't quite right, since we may have either a vertex + * _or_ fragment shader (not always both). + */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, + shProg->VertexProgram); _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, shProg->FragmentProgram); } - else if (ctx->FragmentProgram._Enabled) { - /* use user-defined fragment program */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, - ctx->FragmentProgram.Current); - } - else if (ctx->FragmentProgram._MaintainTexEnvProgram) { - /* fragment program generated from fixed-function state */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, - _mesa_get_fixed_func_fragment_program(ctx)); - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, - ctx->FragmentProgram._Current); - - /* XXX get rid of this confusing stuff someday? */ - ctx->FragmentProgram._Active = ctx->FragmentProgram._Enabled; - if (ctx->FragmentProgram._UseTexEnvProgram) - ctx->FragmentProgram._Active = GL_TRUE; - } else { - /* no fragment program */ - _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); - } + if (ctx->VertexProgram._Enabled) { + /* use user-defined vertex program */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, + ctx->VertexProgram.Current); + } + else if (ctx->VertexProgram._MaintainTnlProgram) { + /* Use vertex program generated from fixed-function state. + * The _Current pointer will get set in + * _tnl_UpdateFixedFunctionProgram() later if appropriate. + */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); + } + else { + /* no vertex program */ + _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); + } - if (ctx->FragmentProgram._Current != prevFP && ctx->Driver.BindProgram) { - ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, - (struct gl_program *) ctx->FragmentProgram._Current); + if (ctx->FragmentProgram._Enabled) { + /* use user-defined vertex program */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, + ctx->FragmentProgram.Current); + } + else if (ctx->FragmentProgram._MaintainTexEnvProgram) { + /* Use fragment program generated from fixed-function state. + * The _Current pointer will get set in _mesa_UpdateTexEnvProgram() + * later if appropriate. + */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); + } + else { + /* no fragment program */ + _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL); + } } - /** - ** Vertex program - **/ -#if 1 - /* XXX get rid of this someday? */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, NULL); -#endif - if (shProg && shProg->LinkStatus && shProg->VertexProgram) { - /* user-defined vertex shader */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - shProg->VertexProgram); - } - else if (ctx->VertexProgram._Enabled) { - /* use user-defined vertex program */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - ctx->VertexProgram.Current); - } - else if (ctx->VertexProgram._MaintainTnlProgram) { - /* vertex program generated from fixed-function state */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, - _mesa_get_fixed_func_vertex_program(ctx)); - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, - ctx->VertexProgram._Current); - } - else { - /* no vertex program / used fixed-function code */ - _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL); - } + if (ctx->VertexProgram._Current) + assert(ctx->VertexProgram._Current->Base.Parameters); + if (ctx->FragmentProgram._Current) + assert(ctx->FragmentProgram._Current->Base.Parameters); + - if (ctx->VertexProgram._Current != prevVP && ctx->Driver.BindProgram) { - ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB, - (struct gl_program *) ctx->VertexProgram._Current); + ctx->FragmentProgram._Active = ctx->FragmentProgram._Enabled; + if (ctx->FragmentProgram._MaintainTexEnvProgram && + !ctx->FragmentProgram._Enabled) { + if (ctx->FragmentProgram._UseTexEnvProgram) + ctx->FragmentProgram._Active = GL_TRUE; } } @@ -315,6 +315,24 @@ update_color(GLcontext *ctx) } +/* + * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET + * in ctx->_TriangleCaps if needed. + */ +static void +update_polygon(GLcontext *ctx) +{ + ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET); + + if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) + ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK; + + if ( ctx->Polygon.OffsetPoint + || ctx->Polygon.OffsetLine + || ctx->Polygon.OffsetFill) + ctx->_TriangleCaps |= DD_TRI_OFFSET; +} + /** * Update the ctx->_TriangleCaps bitfield. @@ -322,6 +340,7 @@ update_color(GLcontext *ctx) * This function must be called after other update_*() functions since * there are dependencies on some other derived values. */ +#if 0 static void update_tricaps(GLcontext *ctx, GLbitfield new_state) { @@ -387,6 +406,7 @@ update_tricaps(GLcontext *ctx, GLbitfield new_state) if (ctx->Stencil._TestTwoSide) ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL; } +#endif /** @@ -422,6 +442,9 @@ _mesa_update_state_locked( GLcontext *ctx ) if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT)) _mesa_update_draw_buffer_bounds( ctx ); + if (new_state & _NEW_POLYGON) + update_polygon( ctx ); + if (new_state & _NEW_LIGHT) _mesa_update_lighting( ctx ); @@ -433,6 +456,9 @@ _mesa_update_state_locked( GLcontext *ctx ) _mesa_update_pixel( ctx, new_state ); #endif + if (new_state & _DD_NEW_SEPARATE_SPECULAR) + update_separate_specular( ctx ); + if (new_state & (_NEW_ARRAY | _NEW_PROGRAM)) update_arrays( ctx ); @@ -445,9 +471,11 @@ _mesa_update_state_locked( GLcontext *ctx ) if (new_state & _NEW_COLOR) update_color( ctx ); +#if 0 if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR)) update_tricaps( ctx, new_state ); +#endif /* ctx->_NeedEyeCoords is now up to date. * |