diff options
Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
| -rw-r--r-- | mesalib/src/mesa/main/enable.c | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c index fca306890..640db8490 100644 --- a/mesalib/src/mesa/main/enable.c +++ b/mesalib/src/mesa/main/enable.c @@ -659,10 +659,15 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state) ctx->Transform.RescaleNormals = state; break; case GL_SCISSOR_TEST: - if (ctx->Scissor.Enabled == state) - return; - FLUSH_VERTICES(ctx, _NEW_SCISSOR); - ctx->Scissor.Enabled = state; + { + /* Must expand glEnable to all scissors */ + GLbitfield newEnabled = + state * ((1 << ctx->Const.MaxViewports) - 1); + if (newEnabled != ctx->Scissor.EnableFlags) { + FLUSH_VERTICES(ctx, _NEW_SCISSOR); + ctx->Scissor.EnableFlags = newEnabled; + } + } break; case GL_STENCIL_TEST: if (ctx->Stencil.Enabled == state) @@ -1076,6 +1081,20 @@ _mesa_set_enablei(struct gl_context *ctx, GLenum cap, ctx->Color.BlendEnabled &= ~(1 << index); } break; + case GL_SCISSOR_TEST: + if (index >= ctx->Const.MaxViewports) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", + state ? "glEnablei" : "glDisablei", index); + return; + } + if (((ctx->Scissor.EnableFlags >> index) & 1) != state) { + FLUSH_VERTICES(ctx, _NEW_SCISSOR); + if (state) + ctx->Scissor.EnableFlags |= (1 << index); + else + ctx->Scissor.EnableFlags &= ~(1 << index); + } + break; default: goto invalid_enum_error; } @@ -1117,6 +1136,13 @@ _mesa_IsEnabledi( GLenum cap, GLuint index ) return GL_FALSE; } return (ctx->Color.BlendEnabled >> index) & 1; + case GL_SCISSOR_TEST: + if (index >= ctx->Const.MaxViewports) { + _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)", + index); + return GL_FALSE; + } + return (ctx->Scissor.EnableFlags >> index) & 1; default: _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)", _mesa_lookup_enum_by_nr(cap)); @@ -1349,7 +1375,7 @@ _mesa_IsEnabled( GLenum cap ) goto invalid_enum_error; return ctx->Transform.RescaleNormals; case GL_SCISSOR_TEST: - return ctx->Scissor.Enabled; + return ctx->Scissor.EnableFlags & 1; /* return state for index 0 */ case GL_STENCIL_TEST: return ctx->Stencil.Enabled; case GL_TEXTURE_1D: |