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Fixing window offset and moving into state batch params.

This commit is contained in:
Ben Vanik 2015-03-20 17:41:50 -07:00
parent d695f637a8
commit a82587f943
3 changed files with 99 additions and 75 deletions
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150
src/xenia/gpu/gl4/command_processor.cc
View File

@ -1844,29 +1844,40 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateState() {
}
CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
auto& regs = *register_file_;
auto& reg_file = *register_file_;
auto& regs = update_viewport_state_regs_;
// NOTE: we don't track state here as this is all cheap to update (ish).
bool dirty = false;
// dirty |= SetShadowRegister(state_regs.pa_cl_clip_cntl,
// XE_GPU_REG_PA_CL_CLIP_CNTL);
dirty |= SetShadowRegister(regs.rb_surface_info, XE_GPU_REG_RB_SURFACE_INFO);
dirty |= SetShadowRegister(regs.pa_cl_vte_cntl, XE_GPU_REG_PA_CL_VTE_CNTL);
dirty |=
SetShadowRegister(regs.pa_su_sc_mode_cntl, XE_GPU_REG_PA_SU_SC_MODE_CNTL);
dirty |= SetShadowRegister(regs.pa_sc_window_offset,
XE_GPU_REG_PA_SC_WINDOW_OFFSET);
dirty |= SetShadowRegister(regs.pa_sc_window_scissor_tl,
XE_GPU_REG_PA_SC_WINDOW_SCISSOR_TL);
dirty |= SetShadowRegister(regs.pa_sc_window_scissor_br,
XE_GPU_REG_PA_SC_WINDOW_SCISSOR_BR);
dirty |= SetShadowRegister(regs.pa_cl_vport_xoffset,
XE_GPU_REG_PA_CL_VPORT_XOFFSET);
dirty |= SetShadowRegister(regs.pa_cl_vport_yoffset,
XE_GPU_REG_PA_CL_VPORT_YOFFSET);
dirty |= SetShadowRegister(regs.pa_cl_vport_zoffset,
XE_GPU_REG_PA_CL_VPORT_ZOFFSET);
dirty |=
SetShadowRegister(regs.pa_cl_vport_xscale, XE_GPU_REG_PA_CL_VPORT_XSCALE);
dirty |=
SetShadowRegister(regs.pa_cl_vport_yscale, XE_GPU_REG_PA_CL_VPORT_YSCALE);
dirty |=
SetShadowRegister(regs.pa_cl_vport_zscale, XE_GPU_REG_PA_CL_VPORT_ZSCALE);
// Much of this state machine is extracted from:
// https://github.com/freedreno/mesa/blob/master/src/mesa/drivers/dri/r200/r200_state.c
// http://fossies.org/dox/MesaLib-10.3.5/fd2__gmem_8c_source.html
// http://www.x.org/docs/AMD/old/evergreen_3D_registers_v2.pdf
uint32_t pa_su_sc_mode_cntl = regs[XE_GPU_REG_PA_SU_SC_MODE_CNTL].u32;
// Window parameters.
// http://ftp.tku.edu.tw/NetBSD/NetBSD-current/xsrc/external/mit/xf86-video-ati/dist/src/r600_reg_auto_r6xx.h
// See r200UpdateWindow:
// https://github.com/freedreno/mesa/blob/master/src/mesa/drivers/dri/r200/r200_state.c
uint32_t window_offset_x = 0;
uint32_t window_offset_y = 0;
if ((pa_su_sc_mode_cntl >> 17) & 1) {
uint32_t window_offset = regs[XE_GPU_REG_PA_SC_WINDOW_OFFSET].u32;
window_offset_x = window_offset & 0x7FFF;
window_offset_y = (window_offset >> 16) & 0x7FFF;
}
// http://www.x.org/docs/AMD/old/evergreen_3D_registers_v2.pdf
// VTX_XY_FMT = true: the incoming X, Y have already been multiplied by 1/W0.
// = false: multiply the X, Y coordinates by 1/W0.
@ -1874,42 +1885,18 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
// = false: multiply the Z coordinate by 1/W0.
// VTX_W0_FMT = true: the incoming W0 is not 1/W0. Perform the reciprocal to
// get 1/W0.
uint32_t vte_control = regs[XE_GPU_REG_PA_CL_VTE_CNTL].u32;
draw_batcher_.set_vtx_fmt((vte_control >> 8) & 0x1 ? 1.0f : 0.0f,
(vte_control >> 9) & 0x1 ? 1.0f : 0.0f,
(vte_control >> 10) & 0x1 ? 1.0f : 0.0f);
draw_batcher_.set_vtx_fmt((regs.pa_cl_vte_cntl >> 8) & 0x1 ? 1.0f : 0.0f,
(regs.pa_cl_vte_cntl >> 9) & 0x1 ? 1.0f : 0.0f,
(regs.pa_cl_vte_cntl >> 10) & 0x1 ? 1.0f : 0.0f);
auto& state_regs = update_viewport_state_regs_;
bool dirty = false;
// dirty |= SetShadowRegister(state_regs.pa_cl_clip_cntl,
// XE_GPU_REG_PA_CL_CLIP_CNTL);
dirty |=
SetShadowRegister(state_regs.rb_surface_info, XE_GPU_REG_RB_SURFACE_INFO);
dirty |=
SetShadowRegister(state_regs.pa_cl_vte_cntl, XE_GPU_REG_PA_CL_VTE_CNTL);
dirty |= SetShadowRegister(state_regs.pa_sc_window_scissor_tl,
XE_GPU_REG_PA_SC_WINDOW_SCISSOR_TL);
dirty |= SetShadowRegister(state_regs.pa_sc_window_scissor_br,
XE_GPU_REG_PA_SC_WINDOW_SCISSOR_BR);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_xoffset,
XE_GPU_REG_PA_CL_VPORT_XOFFSET);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_yoffset,
XE_GPU_REG_PA_CL_VPORT_YOFFSET);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_zoffset,
XE_GPU_REG_PA_CL_VPORT_ZOFFSET);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_xscale,
XE_GPU_REG_PA_CL_VPORT_XSCALE);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_yscale,
XE_GPU_REG_PA_CL_VPORT_YSCALE);
dirty |= SetShadowRegister(state_regs.pa_cl_vport_zscale,
XE_GPU_REG_PA_CL_VPORT_ZSCALE);
if (!dirty) {
if ((state_regs.pa_cl_vte_cntl & (1 << 0)) > 0) {
// Done in VS, no need to flush state.
if ((regs.pa_cl_vte_cntl & (1 << 0)) > 0) {
draw_batcher_.set_window_scalar(1.0f, 1.0f);
} else {
draw_batcher_.set_window_scalar(1.0f / 2560.0f, -1.0f / 2560.0f);
}
if (!dirty) {
return UpdateStatus::kCompatible;
}
@ -1917,8 +1904,8 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
// Clipping.
// https://github.com/freedreno/amd-gpu/blob/master/include/reg/yamato/14/yamato_genenum.h#L1587
// bool clip_enabled = ((state_regs.pa_cl_clip_cntl >> 17) & 0x1) == 0;
// bool dx_clip = ((state_regs.pa_cl_clip_cntl >> 19) & 0x1) == 0x1;
// bool clip_enabled = ((regs.pa_cl_clip_cntl >> 17) & 0x1) == 0;
// bool dx_clip = ((regs.pa_cl_clip_cntl >> 19) & 0x1) == 0x1;
//// TODO(benvanik): depth range?
// if (dx_clip) {
// glClipControl(GL_UPPER_LEFT, GL_ZERO_TO_ONE);
@ -1926,16 +1913,33 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
// glClipControl(GL_LOWER_LEFT, GL_NEGATIVE_ONE_TO_ONE);
//}
GLint ws_x = state_regs.pa_sc_window_scissor_tl & 0x7FFF;
GLint ws_y = (state_regs.pa_sc_window_scissor_tl >> 16) & 0x7FFF;
GLsizei ws_w = (state_regs.pa_sc_window_scissor_br & 0x7FFF) - ws_x;
GLsizei ws_h = ((state_regs.pa_sc_window_scissor_br >> 16) & 0x7FFF) - ws_y;
// Window parameters.
// http://ftp.tku.edu.tw/NetBSD/NetBSD-current/xsrc/external/mit/xf86-video-ati/dist/src/r600_reg_auto_r6xx.h
// See r200UpdateWindow:
// https://github.com/freedreno/mesa/blob/master/src/mesa/drivers/dri/r200/r200_state.c
int16_t window_offset_x = 0;
int16_t window_offset_y = 0;
if ((regs.pa_su_sc_mode_cntl >> 16) & 1) {
window_offset_x = regs.pa_sc_window_offset & 0x7FFF;
window_offset_y = (regs.pa_sc_window_offset >> 16) & 0x7FFF;
if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000;
}
if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000;
}
}
GLint ws_x = regs.pa_sc_window_scissor_tl & 0x7FFF;
GLint ws_y = (regs.pa_sc_window_scissor_tl >> 16) & 0x7FFF;
GLsizei ws_w = (regs.pa_sc_window_scissor_br & 0x7FFF) - ws_x;
GLsizei ws_h = ((regs.pa_sc_window_scissor_br >> 16) & 0x7FFF) - ws_y;
glScissorIndexed(0, ws_x, ws_y, ws_w, ws_h);
// HACK: no clue where to get these values.
// RB_SURFACE_INFO
auto surface_msaa =
static_cast<MsaaSamples>((state_regs.rb_surface_info >> 16) & 0x3);
static_cast<MsaaSamples>((regs.rb_surface_info >> 16) & 0x3);
// TODO(benvanik): ??
float window_width_scalar = 1;
float window_height_scalar = 1;
@ -1953,12 +1957,12 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
// Whether each of the viewport settings are enabled.
// http://www.x.org/docs/AMD/old/evergreen_3D_registers_v2.pdf
bool vport_xscale_enable = (state_regs.pa_cl_vte_cntl & (1 << 0)) > 0;
bool vport_xoffset_enable = (state_regs.pa_cl_vte_cntl & (1 << 1)) > 0;
bool vport_yscale_enable = (state_regs.pa_cl_vte_cntl & (1 << 2)) > 0;
bool vport_yoffset_enable = (state_regs.pa_cl_vte_cntl & (1 << 3)) > 0;
bool vport_zscale_enable = (state_regs.pa_cl_vte_cntl & (1 << 4)) > 0;
bool vport_zoffset_enable = (state_regs.pa_cl_vte_cntl & (1 << 5)) > 0;
bool vport_xscale_enable = (regs.pa_cl_vte_cntl & (1 << 0)) > 0;
bool vport_xoffset_enable = (regs.pa_cl_vte_cntl & (1 << 1)) > 0;
bool vport_yscale_enable = (regs.pa_cl_vte_cntl & (1 << 2)) > 0;
bool vport_yoffset_enable = (regs.pa_cl_vte_cntl & (1 << 3)) > 0;
bool vport_zscale_enable = (regs.pa_cl_vte_cntl & (1 << 4)) > 0;
bool vport_zoffset_enable = (regs.pa_cl_vte_cntl & (1 << 5)) > 0;
assert_true(vport_xscale_enable == vport_yscale_enable ==
vport_zscale_enable == vport_xoffset_enable ==
vport_yoffset_enable == vport_zoffset_enable);
@ -1966,19 +1970,18 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
if (vport_xscale_enable) {
float texel_offset_x = 0.0f;
float texel_offset_y = 0.0f;
float vox = vport_xoffset_enable ? state_regs.pa_cl_vport_xoffset : 0;
float voy = vport_yoffset_enable ? state_regs.pa_cl_vport_yoffset : 0;
float voz = vport_zoffset_enable ? state_regs.pa_cl_vport_zoffset : 0;
float vsx = vport_xscale_enable ? state_regs.pa_cl_vport_xscale : 1;
float vsy = vport_yscale_enable ? state_regs.pa_cl_vport_yscale : 1;
float vsz = vport_zscale_enable ? state_regs.pa_cl_vport_zscale : 1;
float vox = vport_xoffset_enable ? regs.pa_cl_vport_xoffset : 0;
float voy = vport_yoffset_enable ? regs.pa_cl_vport_yoffset : 0;
float voz = vport_zoffset_enable ? regs.pa_cl_vport_zoffset : 0;
float vsx = vport_xscale_enable ? regs.pa_cl_vport_xscale : 1;
float vsy = vport_yscale_enable ? regs.pa_cl_vport_yscale : 1;
float vsz = vport_zscale_enable ? regs.pa_cl_vport_zscale : 1;
window_width_scalar = window_height_scalar = 1;
float vpw = 2 * window_width_scalar * vsx;
float vph = -2 * window_height_scalar * vsy;
float vpx = window_width_scalar * vox - vpw / 2;
float vpy = window_height_scalar * voy - vph / 2;
glViewportIndexedf(0, vpx + texel_offset_x, vpy + texel_offset_y, vpw, vph);
draw_batcher_.set_window_scalar(1.0f, 1.0f);
} else {
float texel_offset_x = 0.0f;
float texel_offset_y = 0.0f;
@ -1987,7 +1990,6 @@ CommandProcessor::UpdateStatus CommandProcessor::UpdateViewportState() {
float vpx = -2560.0f * window_width_scalar;
float vpy = -2560.0f * window_height_scalar;
glViewportIndexedf(0, vpx + texel_offset_x, vpy + texel_offset_y, vpw, vph);
draw_batcher_.set_window_scalar(1.0f / 2560.0f, -1.0f / 2560.0f);
}
return UpdateStatus::kMismatch;
@ -2637,6 +2639,18 @@ bool CommandProcessor::IssueCopy() {
uint32_t w = copy_dest_pitch;
uint32_t h = copy_dest_height;
uint32_t window_offset = regs[XE_GPU_REG_PA_SC_WINDOW_OFFSET].u32;
int16_t window_offset_x = window_offset & 0x7FFF;
int16_t window_offset_y = (window_offset >> 16) & 0x7FFF;
if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000;
}
if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000;
}
// x = window_offset_x;
// y = window_offset_y;
// Make active so glReadPixels reads from us.
switch (copy_command) {
case CopyCommand::kRaw: {

2
src/xenia/gpu/gl4/command_processor.h
View File

@ -304,6 +304,8 @@ class CommandProcessor {
// uint32_t pa_cl_clip_cntl;
uint32_t rb_surface_info;
uint32_t pa_cl_vte_cntl;
uint32_t pa_su_sc_mode_cntl;
uint32_t pa_sc_window_offset;
uint32_t pa_sc_window_scissor_tl;
uint32_t pa_sc_window_scissor_br;
float pa_cl_vport_xoffset;

14
src/xenia/gpu/trace_viewer_main.cc
View File

@ -1285,10 +1285,18 @@ void DrawStateUI(xe::ui::MainWindow* window, TracePlayer& player,
if (ImGui::TreeNode("Viewport State")) {
uint32_t pa_su_sc_mode_cntl = regs[XE_GPU_REG_PA_SU_SC_MODE_CNTL].u32;
if ((pa_su_sc_mode_cntl >> 17) & 1) {
if ((pa_su_sc_mode_cntl >> 16) & 1) {
uint32_t window_offset = regs[XE_GPU_REG_PA_SC_WINDOW_OFFSET].u32;
ImGui::BulletText("Window Offset: %d,%d", window_offset & 0x7FFF,
(window_offset >> 16) & 0x7FFF);
int16_t window_offset_x = window_offset & 0x7FFF;
int16_t window_offset_y = (window_offset >> 16) & 0x7FFF;
if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000;
}
if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000;
}
ImGui::BulletText("Window Offset: %d, %d", window_offset_x,
window_offset_y);
} else {
ImGui::BulletText("Window Offset: disabled");
}