diff options
| -rw-r--r-- | src/mesa/main/attrib.c | 188 |
1 files changed, 157 insertions, 31 deletions
diff --git a/src/mesa/main/attrib.c b/src/mesa/main/attrib.c index a26dcd2e3e..e856dc1f44 100644 --- a/src/mesa/main/attrib.c +++ b/src/mesa/main/attrib.c @@ -1,4 +1,4 @@ -/* $Id: attrib.c,v 1.47 2001/03/18 08:53:49 gareth Exp $ */ +/* $Id: attrib.c,v 1.48 2001/04/11 23:22:20 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -367,7 +367,9 @@ _mesa_PushAttrib(GLbitfield mask) if (mask & GL_TEXTURE_BIT) { struct gl_texture_attrib *attr; GLuint u; - /* Take care of texture object reference counters */ + /* Bump the texture object reference counts so that they don't + * inadvertantly get deleted. + */ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { ctx->Texture.Unit[u].Current1D->RefCount++; ctx->Texture.Unit[u].Current2D->RefCount++; @@ -555,6 +557,152 @@ pop_enable_group(GLcontext *ctx, const struct gl_enable_attrib *enable) } +static void +pop_texture_group(GLcontext *ctx, const struct gl_texture_attrib *texAttrib) +{ + GLuint u; + + /* "un-bump" the texture object reference counts. We did that so they + * wouldn't inadvertantly get deleted. + */ + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + ctx->Texture.Unit[u].Current1D->RefCount--; + ctx->Texture.Unit[u].Current2D->RefCount--; + ctx->Texture.Unit[u].Current3D->RefCount--; + ctx->Texture.Unit[u].CurrentCubeMap->RefCount--; + } + + for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { + const struct gl_texture_unit *unit = &texAttrib->Unit[u]; + GLuint numObjs, i; + + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u); + _mesa_set_enable(ctx, GL_TEXTURE_1D, unit->Enabled & TEXTURE0_1D); + _mesa_set_enable(ctx, GL_TEXTURE_2D, unit->Enabled & TEXTURE0_2D); + _mesa_set_enable(ctx, GL_TEXTURE_3D, unit->Enabled & TEXTURE0_3D); + if (ctx->Extensions.ARB_texture_cube_map) { + _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB, + unit->Enabled & TEXTURE0_CUBE); + } + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode); + _mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor); + _mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenModeS); + _mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenModeT); + _mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenModeR); + _mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenModeQ); + _mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->ObjectPlaneS); + _mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->ObjectPlaneT); + _mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->ObjectPlaneR); + _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->ObjectPlaneQ); + _mesa_TexGenfv(GL_S, GL_EYE_PLANE, unit->EyePlaneS); + _mesa_TexGenfv(GL_T, GL_EYE_PLANE, unit->EyePlaneT); + _mesa_TexGenfv(GL_R, GL_EYE_PLANE, unit->EyePlaneR); + _mesa_TexGenfv(GL_Q, GL_EYE_PLANE, unit->EyePlaneQ); + if (ctx->Extensions.EXT_texture_lod_bias) { + _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT, + GL_TEXTURE_LOD_BIAS_EXT, unit->LodBias); + } + if (ctx->Extensions.EXT_texture_env_combine) { + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, + unit->CombineModeRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, + unit->CombineModeA); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, + unit->CombineSourceRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, + unit->CombineSourceRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, + unit->CombineSourceRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, + unit->CombineSourceA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, + unit->CombineSourceA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_EXT, + unit->CombineSourceA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_EXT, + unit->CombineOperandRGB[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_EXT, + unit->CombineOperandRGB[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, + unit->CombineOperandRGB[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_EXT, + unit->CombineOperandA[0]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_EXT, + unit->CombineOperandA[1]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_EXT, + unit->CombineOperandA[2]); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, + 1 << unit->CombineScaleShiftRGB); + _mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, + 1 << unit->CombineScaleShiftA); + } + + /* Restore texture object state */ + numObjs = ctx->Extensions.ARB_texture_cube_map ? 4 : 3; + + for (i = 0; i < numObjs; i++) { + GLenum target = 0; + const struct gl_texture_object *obj = NULL; + GLfloat bordColor[4]; + + switch (i) { + case 0: + target = GL_TEXTURE_1D; + obj = &unit->Saved1D; + break; + case 1: + target = GL_TEXTURE_2D; + obj = &unit->Saved2D; + break; + case 2: + target = GL_TEXTURE_3D; + obj = &unit->Saved3D; + break; + case 3: + target = GL_TEXTURE_CUBE_MAP_ARB; + obj = &unit->SavedCubeMap; + break; + default: + ; /* silence warnings */ + } + + bordColor[0] = CHAN_TO_FLOAT(obj->BorderColor[0]); + bordColor[1] = CHAN_TO_FLOAT(obj->BorderColor[1]); + bordColor[2] = CHAN_TO_FLOAT(obj->BorderColor[2]); + bordColor[3] = CHAN_TO_FLOAT(obj->BorderColor[3]); + + _mesa_TexParameteri(target, GL_TEXTURE_PRIORITY, obj->Priority); + _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, bordColor); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT); + _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR); + _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, obj->MinFilter); + _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, obj->MagFilter); + _mesa_TexParameterf(target, GL_TEXTURE_MIN_LOD, obj->MinLod); + _mesa_TexParameterf(target, GL_TEXTURE_MAX_LOD, obj->MaxLod); + _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, obj->BaseLevel); + _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, obj->MaxLevel); + if (ctx->Extensions.EXT_texture_filter_anisotropic) { + _mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, + obj->MaxAnisotropy); + } + if (ctx->Extensions.SGIX_shadow) { + _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_SGIX, + obj->CompareFlag); + _mesa_TexParameteri(target, GL_TEXTURE_COMPARE_OPERATOR_SGIX, + obj->CompareOperator); + } + if (ctx->Extensions.SGIX_shadow_ambient) { + _mesa_TexParameteri(target, GL_SHADOW_AMBIENT_SGIX, + CHAN_TO_FLOAT(obj->ShadowAmbient)); + } + + } + } + _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + + texAttrib->CurrentUnit); +} + /* * This function is kind of long just because we have to call a lot @@ -583,8 +731,10 @@ _mesa_PopAttrib(void) while (attr) { - if (MESA_VERBOSE&VERBOSE_API) - fprintf(stderr, "glPopAttrib %s\n", _mesa_lookup_enum_by_nr(attr->kind)); + if (MESA_VERBOSE&VERBOSE_API) { + fprintf(stderr, "glPopAttrib %s\n", + _mesa_lookup_enum_by_nr(attr->kind)); + } switch (attr->kind) { case GL_ACCUM_BUFFER_BIT: @@ -680,8 +830,6 @@ _mesa_PopAttrib(void) { const struct gl_hint_attrib *hint; hint = (const struct gl_hint_attrib *) attr->data; - /* XXX this memcpy is temporary: */ - MEMCPY(&ctx->Hint, hint, sizeof(struct gl_hint_attrib)); _mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT, hint->PerspectiveCorrection ); _mesa_Hint(GL_POINT_SMOOTH_HINT, hint->PointSmooth); @@ -835,32 +983,10 @@ _mesa_PopAttrib(void) case GL_TEXTURE_BIT: /* Take care of texture object reference counters */ { - GLuint u; - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - ctx->Texture.Unit[u].Current1D->RefCount--; - ctx->Texture.Unit[u].Current2D->RefCount--; - ctx->Texture.Unit[u].Current3D->RefCount--; - ctx->Texture.Unit[u].CurrentCubeMap->RefCount--; - } - MEMCPY( &ctx->Texture, attr->data, - sizeof(struct gl_texture_attrib) ); + const struct gl_texture_attrib *texture; + texture = (const struct gl_texture_attrib *) attr->data; + pop_texture_group(ctx, texture); ctx->NewState |= _NEW_TEXTURE; - /* restore state of the currently bound texture objects */ - for (u = 0; u < ctx->Const.MaxTextureUnits; u++) { - copy_texobj_state( ctx->Texture.Unit[u].Current1D, - &(ctx->Texture.Unit[u].Saved1D) ); - copy_texobj_state( ctx->Texture.Unit[u].Current2D, - &(ctx->Texture.Unit[u].Saved2D) ); - copy_texobj_state( ctx->Texture.Unit[u].Current3D, - &(ctx->Texture.Unit[u].Saved3D) ); - copy_texobj_state( ctx->Texture.Unit[u].CurrentCubeMap, - &(ctx->Texture.Unit[u].SavedCubeMap) ); - - ctx->Texture.Unit[u].Current1D->Complete = GL_FALSE; - ctx->Texture.Unit[u].Current2D->Complete = GL_FALSE; - ctx->Texture.Unit[u].Current3D->Complete = GL_FALSE; - ctx->Texture.Unit[u].CurrentCubeMap->Complete = GL_FALSE; - } } break; case GL_VIEWPORT_BIT: |