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Fix depth clear when not sourcing from a depth target.

This commit is contained in:
Dr. Chat 2016-01-22 18:47:27 -06:00
parent 6c6f7c6eca
commit b2d8837e52
1 changed files with 11 additions and 7 deletions
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16
src/xenia/gpu/gl4/gl4_command_processor.cc
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@ -1625,16 +1625,22 @@ bool GL4CommandProcessor::IssueCopy() {
color_targets[copy_src_select] = GetColorRenderTarget(
surface_pitch, surface_msaa, color_base, color_format);
src_format = ColorRenderTargetToTextureFormat(color_format);
} else {
// Source from depth/stencil.
}
// Grab the depth/stencil if we're sourcing from it or clear is enabled.
if (copy_src_select > 3 || depth_clear_enabled) {
uint32_t depth_info = regs[XE_GPU_REG_RB_DEPTH_INFO].u32;
uint32_t depth_base = depth_info & 0xFFF;
auto depth_format =
static_cast<DepthRenderTargetFormat>((depth_info >> 16) & 0x1);
depth_target = GetDepthRenderTarget(surface_pitch, surface_msaa, depth_base,
depth_format);
if (copy_src_select > 3) {
src_format = DepthRenderTargetToTextureFormat(depth_format);
}
}
auto source_framebuffer = GetFramebuffer(color_targets, depth_target);
if (!source_framebuffer) {
// If we get here we are likely missing some state checks.
@ -1910,10 +1916,7 @@ bool GL4CommandProcessor::IssueCopy() {
old_color_mask[2], old_color_mask[3]);
}
// TODO(benvanik): figure out real condition here (maybe when color cleared?)
// HACK: things seem to need their depth buffer cleared a lot more
// than as indicated by the depth_clear_enabled flag.
if (depth_target != kAnyTarget) {
if (depth_clear_enabled && depth_target != kAnyTarget) {
// Clear the current depth buffer.
// TODO(benvanik): verify format.
GLfloat depth = {(copy_depth_clear & 0xFFFFFF00) /
@ -1928,6 +1931,7 @@ bool GL4CommandProcessor::IssueCopy() {
glDepthMask(GL_TRUE);
glStencilMask(0xFF);
// HACK: this should work, but throws INVALID_ENUM on nvidia drivers.
// GLEW signature differs from OpenGL docs?
// glClearNamedFramebufferfi(source_framebuffer->framebuffer,
// GL_DEPTH_STENCIL, depth, stencil);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, source_framebuffer->framebuffer);