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setup more state for clear_with_quad()

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Brian 2007-08-02 13:48:02 -06:00
parent 7b274b4318
commit 406da44da3
1 changed files with 35 additions and 22 deletions
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57
src/mesa/state_tracker/st_cb_clear.c
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@ -96,32 +96,15 @@ clear_with_quad(GLcontext *ctx,
GLboolean color, GLboolean depth, GLboolean stencil)
{
struct st_context *st = ctx->st;
struct pipe_alpha_test_state alpha_test;
struct pipe_blend_state blend;
struct pipe_depth_state depth_test;
struct pipe_stencil_state stencil_test;
struct pipe_setup_state setup;
/* depth state: always pass */
memset(&depth_test, 0, sizeof(depth));
if (depth) {
depth_test.enabled = 1;
depth_test.writemask = 1;
depth_test.func = PIPE_FUNC_ALWAYS;
}
st->pipe->set_depth_state(st->pipe, &depth_test);
/* stencil state: always set to ref value */
memset(&stencil_test, 0, sizeof(stencil));
if (stencil) {
stencil_test.front_enabled = 1;
stencil_test.front_func = PIPE_FUNC_ALWAYS;
stencil_test.front_fail_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.front_zpass_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.front_zfail_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.ref_value[0] = ctx->Stencil.Clear;
stencil_test.value_mask[0] = 0xff;
stencil_test.write_mask[0] = ctx->Stencil.WriteMask[0];
}
st->pipe->set_stencil_state(st->pipe, &stencil_test);
/* alpha state: disabled */
memset(&alpha_test, 0, sizeof(alpha_test));
st->pipe->set_alpha_test_state(st->pipe, &alpha_test);
/* blend state: RGBA masking */
memset(&blend, 0, sizeof(blend));
@ -139,6 +122,34 @@ clear_with_quad(GLcontext *ctx,
}
st->pipe->set_blend_state(st->pipe, &blend);
/* depth state: always pass */
memset(&depth_test, 0, sizeof(depth_test));
if (depth) {
depth_test.enabled = 1;
depth_test.writemask = 1;
depth_test.func = PIPE_FUNC_ALWAYS;
}
st->pipe->set_depth_state(st->pipe, &depth_test);
/* setup state: nothing */
memset(&setup, 0, sizeof(setup));
st->pipe->set_setup_state(st->pipe, &setup);
/* stencil state: always set to ref value */
memset(&stencil_test, 0, sizeof(stencil_test));
if (stencil) {
stencil_test.front_enabled = 1;
stencil_test.front_func = PIPE_FUNC_ALWAYS;
stencil_test.front_fail_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.front_zpass_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.front_zfail_op = PIPE_STENCIL_OP_REPLACE;
stencil_test.ref_value[0] = ctx->Stencil.Clear;
stencil_test.value_mask[0] = 0xff;
stencil_test.write_mask[0] = ctx->Stencil.WriteMask[0];
}
st->pipe->set_stencil_state(st->pipe, &stencil_test);
/* draw quad matching scissor rect (XXX verify coord round-off) */
draw_quad(ctx,
ctx->Scissor.X, ctx->Scissor.Y,
ctx->Scissor.X + ctx->Scissor.Width,
@ -146,8 +157,10 @@ clear_with_quad(GLcontext *ctx,
ctx->Depth.Clear, ctx->Color.ClearColor);
/* Restore GL state */
st->pipe->set_alpha_test_state(st->pipe, &st->state.alpha_test);
st->pipe->set_blend_state(st->pipe, &st->state.blend);
st->pipe->set_depth_state(st->pipe, &st->state.depth);
st->pipe->set_setup_state(st->pipe, &st->state.setup);
st->pipe->set_stencil_state(st->pipe, &st->state.stencil);
/* OR:
st_invalidate_state(ctx, _NEW_COLOR | _NEW_DEPTH | _NEW_STENCIL);