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[Vulkan] Support optional vertex window offset

This commit is contained in:
DrChat 2018-04-16 11:08:24 -05:00
parent 6ca771d26f
commit 25f93a171c
1 changed files with 18 additions and 17 deletions
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25
src/xenia/gpu/vulkan/pipeline_cache.cc
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@ -569,18 +569,14 @@ bool PipelineCache::SetDynamicState(VkCommandBuffer command_buffer,
// http://ftp.tku.edu.tw/NetBSD/NetBSD-current/xsrc/external/mit/xf86-video-ati/dist/src/r600_reg_auto_r6xx.h // http://ftp.tku.edu.tw/NetBSD/NetBSD-current/xsrc/external/mit/xf86-video-ati/dist/src/r600_reg_auto_r6xx.h
// See r200UpdateWindow: // See r200UpdateWindow:
// https://github.com/freedreno/mesa/blob/master/src/mesa/drivers/dri/r200/r200_state.c // 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_x = regs.pa_sc_window_offset & 0x7FFF;
int16_t window_offset_y = 0; int16_t window_offset_y = (regs.pa_sc_window_offset >> 16) & 0x7FFF;
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) { if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000; window_offset_x |= 0x8000;
} }
if (window_offset_y & 0x4000) { if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000; window_offset_y |= 0x8000;
} }
}
// VK_DYNAMIC_STATE_SCISSOR // VK_DYNAMIC_STATE_SCISSOR
bool scissor_state_dirty = full_update || window_offset_dirty; bool scissor_state_dirty = full_update || window_offset_dirty;
@ -660,6 +656,11 @@ bool PipelineCache::SetDynamicState(VkCommandBuffer command_buffer,
vport_zscale_enable == vport_xoffset_enable == vport_zscale_enable == vport_xoffset_enable ==
vport_yoffset_enable == vport_zoffset_enable); vport_yoffset_enable == vport_zoffset_enable);
int16_t vtx_window_offset_x =
(regs.pa_su_sc_mode_cntl >> 16) & 1 ? window_offset_x : 0;
int16_t vtx_window_offset_y =
(regs.pa_su_sc_mode_cntl >> 16) & 1 ? window_offset_y : 0;
float vpw, vph, vpx, vpy; float vpw, vph, vpx, vpy;
if (vport_xscale_enable) { if (vport_xscale_enable) {
float vox = vport_xoffset_enable ? regs.pa_cl_vport_xoffset : 0; float vox = vport_xoffset_enable ? regs.pa_cl_vport_xoffset : 0;
@ -670,13 +671,13 @@ bool PipelineCache::SetDynamicState(VkCommandBuffer command_buffer,
window_width_scalar = window_height_scalar = 1; window_width_scalar = window_height_scalar = 1;
vpw = 2 * window_width_scalar * vsx; vpw = 2 * window_width_scalar * vsx;
vph = -2 * window_height_scalar * vsy; vph = -2 * window_height_scalar * vsy;
vpx = window_width_scalar * vox - vpw / 2 + window_offset_x; vpx = window_width_scalar * vox - vpw / 2 + vtx_window_offset_x;
vpy = window_height_scalar * voy - vph / 2 + window_offset_y; vpy = window_height_scalar * voy - vph / 2 + vtx_window_offset_y;
} else { } else {
vpw = 2 * 2560.0f * window_width_scalar; vpw = 2 * 2560.0f * window_width_scalar;
vph = 2 * 2560.0f * window_height_scalar; vph = 2 * 2560.0f * window_height_scalar;
vpx = -2560.0f * window_width_scalar + window_offset_x; vpx = -2560.0f * window_width_scalar + vtx_window_offset_x;
vpy = -2560.0f * window_height_scalar + window_offset_y; vpy = -2560.0f * window_height_scalar + vtx_window_offset_y;
} }
if (viewport_state_dirty) { if (viewport_state_dirty) {
@ -769,10 +770,10 @@ bool PipelineCache::SetDynamicState(VkCommandBuffer command_buffer,
program_cntl.vs_export_mode == 7); program_cntl.vs_export_mode == 7);
assert_false(program_cntl.gen_index_vtx); assert_false(program_cntl.gen_index_vtx);
SpirvPushConstants push_constants; SpirvPushConstants push_constants = {};
// Done in VS, no need to flush state. // Done in VS, no need to flush state.
if ((regs.pa_cl_vte_cntl & (1 << 0)) > 0) { if (vport_xscale_enable) {
push_constants.window_scale[0] = 1.0f; push_constants.window_scale[0] = 1.0f;
push_constants.window_scale[1] = -1.0f; push_constants.window_scale[1] = -1.0f;
} else { } else {