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Depth compare improvements based on GlideN64.

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MaikelChan committed 2024-08-04 05:28:10 +02:00
1 parent b523b1e076
commit b9f6961931
3 files changed
+48 -33
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port/fast3d/gfx_pc.cpp
+11 -14
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@@ -197,9 +197,8 @@ static struct RDP {
} rdp;
static struct RenderingState {
uint8_t depth_test_and_mask; // 1: depth test, 2: depth mask
uint8_t depth_mode;
float depth_zfar;
bool decal_mode;
bool alpha_blend;
bool modulate;
struct XYWidthHeight viewport, scissor;
@@ -1240,25 +1239,23 @@ static void gfx_sp_tri1(uint8_t vtx1_idx, uint8_t vtx2_idx, uint8_t vtx3_idx, bo
}
}
bool depth_test = (rsp.geometry_mode & G_ZBUFFER) == G_ZBUFFER;
bool depth_mask = (rdp.other_mode_l & Z_UPD) == Z_UPD;
uint8_t depth_test_and_mask = (depth_test ? 1 : 0) | (depth_mask ? 2 : 0);
if (depth_test_and_mask != rendering_state.depth_test_and_mask) {
gfx_flush();
gfx_rapi->set_depth_test_and_mask(depth_test, depth_mask);
rendering_state.depth_test_and_mask = depth_test_and_mask;
}
if (rsp.depth_zfar != rendering_state.depth_zfar) {
gfx_flush();
gfx_rapi->set_depth_range(0.0f, rsp.depth_zfar);
rendering_state.depth_zfar = rsp.depth_zfar;
}
bool zmode_decal = (rdp.other_mode_l & ZMODE_DEC) == ZMODE_DEC;
if (zmode_decal != rendering_state.decal_mode) {
bool depth_test = (rsp.geometry_mode & G_ZBUFFER) == G_ZBUFFER;
bool depth_update = (rdp.other_mode_l & Z_UPD) == Z_UPD;
bool depth_compare = (rdp.other_mode_l & Z_CMP) == Z_CMP;
bool depth_source_prim = (rdp.other_mode_l & G_ZS_PRIM) == G_ZS_PRIM /* && gDP.primDepth.z == 1.0f */;
uint16_t zmode = rdp.other_mode_l & ZMODE_DEC;
uint8_t depth_mode = (depth_test ? 1 : 0) | (depth_update ? 2 : 0) | (depth_compare ? 4 : 0) | (depth_source_prim ? 8 : 0) | (zmode >> 6);
if (depth_mode != rendering_state.depth_mode) {
gfx_flush();
gfx_rapi->set_zmode_decal(zmode_decal);
rendering_state.decal_mode = zmode_decal;
gfx_rapi->set_depth_mode(depth_test, depth_update, depth_compare, depth_source_prim, zmode);
rendering_state.depth_mode = depth_mode;
}
if (rdp.viewport_or_scissor_changed) {