diff options
Diffstat (limited to 'src/mesa/main/state.c')
| -rw-r--r-- | src/mesa/main/state.c | 57 |
1 files changed, 37 insertions, 20 deletions
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c index d94c9c7337a..f1d83610b48 100644 --- a/src/mesa/main/state.c +++ b/src/mesa/main/state.c @@ -1,4 +1,4 @@ -/* $Id: state.c,v 1.84 2002/06/06 16:31:24 brianp Exp $ */ +/* $Id: state.c,v 1.85 2002/06/15 03:03:09 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -763,9 +763,10 @@ update_texture_matrices( GLcontext *ctx ) static void update_texture_state( GLcontext *ctx ) { - GLuint i; + GLuint unit; - ctx->Texture._ReallyEnabled = 0; + ctx->Texture._ReallyEnabled = 0; /* XXX obsolete */ + ctx->Texture._EnabledUnits = 0; ctx->Texture._GenFlags = 0; ctx->_NeedNormals &= ~NEED_NORMALS_TEXGEN; ctx->_NeedEyeCoords &= ~NEED_EYE_TEXGEN; @@ -774,8 +775,8 @@ update_texture_state( GLcontext *ctx ) /* Update texture unit state. */ - for (i=0; i < ctx->Const.MaxTextureUnits; i++) { - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i]; + for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; texUnit->_ReallyEnabled = 0; texUnit->_GenFlags = 0; @@ -783,49 +784,60 @@ update_texture_state( GLcontext *ctx ) if (!texUnit->Enabled) continue; - /* Find the texture of highest dimensionality that is enabled - * and complete. We'll use it for texturing. + /* Look for the highest-priority texture target that's enabled and + * complete. That's the one we'll use for texturing. */ - if (texUnit->Enabled & TEXTURE0_CUBE) { + if (texUnit->Enabled & TEXTURE_CUBE_BIT) { struct gl_texture_object *texObj = texUnit->CurrentCubeMap; if (!texObj->Complete) { _mesa_test_texobj_completeness(ctx, texObj); } if (texObj->Complete) { - texUnit->_ReallyEnabled = TEXTURE0_CUBE; + texUnit->_ReallyEnabled = TEXTURE_CUBE_BIT; texUnit->_Current = texObj; } } - if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_3D)) { + if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_3D_BIT)) { struct gl_texture_object *texObj = texUnit->Current3D; if (!texObj->Complete) { _mesa_test_texobj_completeness(ctx, texObj); } if (texObj->Complete) { - texUnit->_ReallyEnabled = TEXTURE0_3D; + texUnit->_ReallyEnabled = TEXTURE_3D_BIT; texUnit->_Current = texObj; } } - if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_2D)) { + if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_RECT_BIT)) { + struct gl_texture_object *texObj = texUnit->CurrentRect; + if (!texObj->Complete) { + _mesa_test_texobj_completeness(ctx, texObj); + } + if (texObj->Complete) { + texUnit->_ReallyEnabled = TEXTURE_RECT_BIT; + texUnit->_Current = texObj; + } + } + + if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_2D_BIT)) { struct gl_texture_object *texObj = texUnit->Current2D; if (!texObj->Complete) { _mesa_test_texobj_completeness(ctx, texObj); } if (texObj->Complete) { - texUnit->_ReallyEnabled = TEXTURE0_2D; + texUnit->_ReallyEnabled = TEXTURE_2D_BIT; texUnit->_Current = texObj; } } - if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE0_1D)) { + if (!texUnit->_ReallyEnabled && (texUnit->Enabled & TEXTURE_1D_BIT)) { struct gl_texture_object *texObj = texUnit->Current1D; if (!texObj->Complete) { _mesa_test_texobj_completeness(ctx, texObj); } if (texObj->Complete) { - texUnit->_ReallyEnabled = TEXTURE0_1D; + texUnit->_ReallyEnabled = TEXTURE_1D_BIT; texUnit->_Current = texObj; } } @@ -835,9 +847,14 @@ update_texture_state( GLcontext *ctx ) continue; } + /* Texture._ReallyEnabled records the enable state for all units in + * one word. + */ { - GLuint flag = texUnit->_ReallyEnabled << (i * NUM_TEXTURE_TARGETS); - ctx->Texture._ReallyEnabled |= flag; + GLuint flag = texUnit->_ReallyEnabled << (unit * NUM_TEXTURE_TARGETS); + ctx->Texture._ReallyEnabled |= flag; /* XXX obsolete field! */ + if (texUnit->_ReallyEnabled) + ctx->Texture._EnabledUnits |= (1 << unit); } if (texUnit->TexGenEnabled) { @@ -854,12 +871,12 @@ update_texture_state( GLcontext *ctx ) texUnit->_GenFlags |= texUnit->_GenBitR; } - ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(i); + ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit); ctx->Texture._GenFlags |= texUnit->_GenFlags; } - if (ctx->TextureMatrixStack[i].Top->type != MATRIX_IDENTITY) - ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(i); + if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY) + ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit); } if (ctx->Texture._GenFlags & TEXGEN_NEED_NORMALS) { |