Implement initial cascaded shadow mapping support

3rdparty/glad/include/glad/glad.h

@@ -1,6 +1,6 @@
 /*
 
-    OpenGL, OpenGL ES loader generated by glad 0.1.34 on Wed Jun 21 22:44:30 2023.
+    OpenGL, OpenGL ES loader generated by glad 0.1.34 on Thu Jul 13 01:28:17 2023.
 
     Language/Generator: C/C++
     Specification: gl
@@ -25,6 +25,7 @@
         GL_ARB_texture_rg,
         GL_ARB_timer_query,
         GL_ARB_vertex_buffer_object,
+        GL_ATI_meminfo,
         GL_ATI_separate_stencil,
         GL_EXT_discard_framebuffer,
         GL_EXT_framebuffer_object,
@@ -41,6 +42,7 @@
         GL_GREMEDY_string_marker,
         GL_KHR_debug,
         GL_KHR_texture_compression_astc_ldr,
+        GL_NVX_gpu_memory_info,
         GL_NV_instanced_arrays,
         GL_OES_compressed_ETC1_RGB8_texture
     Loader: True
@@ -49,9 +51,9 @@
     Reproducible: False
 
     Commandline:
-        --profile="core" --api="gl=3.3,gles2=3.0" --generator="c" --spec="gl" --extensions="GL_ANGLE_instanced_arrays,GL_ANGLE_texture_compression_dxt3,GL_ANGLE_texture_compression_dxt5,GL_ARB_ES3_compatibility,GL_ARB_draw_instanced,GL_ARB_instanced_arrays,GL_ARB_internalformat_query,GL_ARB_internalformat_query2,GL_ARB_invalidate_subdata,GL_ARB_texture_compression,GL_ARB_texture_compression_bptc,GL_ARB_texture_compression_rgtc,GL_ARB_texture_cube_map,GL_ARB_texture_non_power_of_two,GL_ARB_texture_rectangle,GL_ARB_texture_rg,GL_ARB_timer_query,GL_ARB_vertex_buffer_object,GL_ATI_separate_stencil,GL_EXT_discard_framebuffer,GL_EXT_framebuffer_object,GL_EXT_instanced_arrays,GL_EXT_multisampled_render_to_texture,GL_EXT_stencil_two_side,GL_EXT_stencil_wrap,GL_EXT_texture_array,GL_EXT_texture_compression_bptc,GL_EXT_texture_compression_dxt1,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_EXT_texture_rg,GL_GREMEDY_string_marker,GL_KHR_debug,GL_KHR_texture_compression_astc_ldr,GL_NV_instanced_arrays,GL_OES_compressed_ETC1_RGB8_texture"
+        --profile="core" --api="gl=3.3,gles2=3.0" --generator="c" --spec="gl" --extensions="GL_ANGLE_instanced_arrays,GL_ANGLE_texture_compression_dxt3,GL_ANGLE_texture_compression_dxt5,GL_ARB_ES3_compatibility,GL_ARB_draw_instanced,GL_ARB_instanced_arrays,GL_ARB_internalformat_query,GL_ARB_internalformat_query2,GL_ARB_invalidate_subdata,GL_ARB_texture_compression,GL_ARB_texture_compression_bptc,GL_ARB_texture_compression_rgtc,GL_ARB_texture_cube_map,GL_ARB_texture_non_power_of_two,GL_ARB_texture_rectangle,GL_ARB_texture_rg,GL_ARB_timer_query,GL_ARB_vertex_buffer_object,GL_ATI_meminfo,GL_ATI_separate_stencil,GL_EXT_discard_framebuffer,GL_EXT_framebuffer_object,GL_EXT_instanced_arrays,GL_EXT_multisampled_render_to_texture,GL_EXT_stencil_two_side,GL_EXT_stencil_wrap,GL_EXT_texture_array,GL_EXT_texture_compression_bptc,GL_EXT_texture_compression_dxt1,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_EXT_texture_rg,GL_GREMEDY_string_marker,GL_KHR_debug,GL_KHR_texture_compression_astc_ldr,GL_NVX_gpu_memory_info,GL_NV_instanced_arrays,GL_OES_compressed_ETC1_RGB8_texture"
     Online:
-        https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.3&api=gles2%3D3.0&extensions=GL_ANGLE_instanced_arrays&extensions=GL_ANGLE_texture_compression_dxt3&extensions=GL_ANGLE_texture_compression_dxt5&extensions=GL_ARB_ES3_compatibility&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_internalformat_query&extensions=GL_ARB_internalformat_query2&extensions=GL_ARB_invalidate_subdata&extensions=GL_ARB_texture_compression&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARB_texture_compression_rgtc&extensions=GL_ARB_texture_cube_map&extensions=GL_ARB_texture_non_power_of_two&extensions=GL_ARB_texture_rectangle&extensions=GL_ARB_texture_rg&extensions=GL_ARB_timer_query&extensions=GL_ARB_vertex_buffer_object&extensions=GL_ATI_separate_stencil&extensions=GL_EXT_discard_framebuffer&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_instanced_arrays&extensions=GL_EXT_multisampled_render_to_texture&extensions=GL_EXT_stencil_two_side&extensions=GL_EXT_stencil_wrap&extensions=GL_EXT_texture_array&extensions=GL_EXT_texture_compression_bptc&extensions=GL_EXT_texture_compression_dxt1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_EXT_texture_rg&extensions=GL_GREMEDY_string_marker&extensions=GL_KHR_debug&extensions=GL_KHR_texture_compression_astc_ldr&extensions=GL_NV_instanced_arrays&extensions=GL_OES_compressed_ETC1_RGB8_texture
+        https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.3&api=gles2%3D3.0&extensions=GL_ANGLE_instanced_arrays&extensions=GL_ANGLE_texture_compression_dxt3&extensions=GL_ANGLE_texture_compression_dxt5&extensions=GL_ARB_ES3_compatibility&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_internalformat_query&extensions=GL_ARB_internalformat_query2&extensions=GL_ARB_invalidate_subdata&extensions=GL_ARB_texture_compression&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARB_texture_compression_rgtc&extensions=GL_ARB_texture_cube_map&extensions=GL_ARB_texture_non_power_of_two&extensions=GL_ARB_texture_rectangle&extensions=GL_ARB_texture_rg&extensions=GL_ARB_timer_query&extensions=GL_ARB_vertex_buffer_object&extensions=GL_ATI_meminfo&extensions=GL_ATI_separate_stencil&extensions=GL_EXT_discard_framebuffer&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_instanced_arrays&extensions=GL_EXT_multisampled_render_to_texture&extensions=GL_EXT_stencil_two_side&extensions=GL_EXT_stencil_wrap&extensions=GL_EXT_texture_array&extensions=GL_EXT_texture_compression_bptc&extensions=GL_EXT_texture_compression_dxt1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_EXT_texture_rg&extensions=GL_GREMEDY_string_marker&extensions=GL_KHR_debug&extensions=GL_KHR_texture_compression_astc_ldr&extensions=GL_NVX_gpu_memory_info&extensions=GL_NV_instanced_arrays&extensions=GL_OES_compressed_ETC1_RGB8_texture
 */
 
 
@@ -2469,6 +2471,9 @@ GLAPI PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ;
 #define GL_DYNAMIC_DRAW_ARB 0x88E8
 #define GL_DYNAMIC_READ_ARB 0x88E9
 #define GL_DYNAMIC_COPY_ARB 0x88EA
+#define GL_VBO_FREE_MEMORY_ATI 0x87FB
+#define GL_TEXTURE_FREE_MEMORY_ATI 0x87FC
+#define GL_RENDERBUFFER_FREE_MEMORY_ATI 0x87FD
 #define GL_STENCIL_BACK_FUNC_ATI 0x8800
 #define GL_STENCIL_BACK_FAIL_ATI 0x8801
 #define GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI 0x8802
@@ -2652,6 +2657,11 @@ GLAPI PFNGLGETINTERNALFORMATIVPROC glad_glGetInternalformativ;
 #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
 #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
 #define GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
+#define GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047
+#define GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048
+#define GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049
+#define GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A
+#define GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B
 #define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE 0x88FE
 #define GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE 0x83F2
 #define GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE 0x83F3
@@ -2811,6 +2821,10 @@ typedef void (APIENTRYP PFNGLGETBUFFERPOINTERVARBPROC)(GLenum target, GLenum pna
 GLAPI PFNGLGETBUFFERPOINTERVARBPROC glad_glGetBufferPointervARB;
 #define glGetBufferPointervARB glad_glGetBufferPointervARB
 #endif
+#ifndef GL_ATI_meminfo
+#define GL_ATI_meminfo 1
+GLAPI int GLAD_GL_ATI_meminfo;
+#endif
 #ifndef GL_ATI_separate_stencil
 #define GL_ATI_separate_stencil 1
 GLAPI int GLAD_GL_ATI_separate_stencil;
@@ -2983,6 +2997,10 @@ GLAPI PFNGLGETPOINTERVKHRPROC glad_glGetPointervKHR;
 #define GL_KHR_texture_compression_astc_ldr 1
 GLAPI int GLAD_GL_KHR_texture_compression_astc_ldr;
 #endif
+#ifndef GL_NVX_gpu_memory_info
+#define GL_NVX_gpu_memory_info 1
+GLAPI int GLAD_GL_NVX_gpu_memory_info;
+#endif
 #ifndef GL_ANGLE_instanced_arrays
 #define GL_ANGLE_instanced_arrays 1
 GLAPI int GLAD_GL_ANGLE_instanced_arrays;

3rdparty/glad/src/glad.c

@@ -1,6 +1,6 @@
 /*
 
-    OpenGL, OpenGL ES loader generated by glad 0.1.34 on Wed Jun 21 22:44:30 2023.
+    OpenGL, OpenGL ES loader generated by glad 0.1.34 on Thu Jul 13 01:28:17 2023.
 
     Language/Generator: C/C++
     Specification: gl
@@ -25,6 +25,7 @@
         GL_ARB_texture_rg,
         GL_ARB_timer_query,
         GL_ARB_vertex_buffer_object,
+        GL_ATI_meminfo,
         GL_ATI_separate_stencil,
         GL_EXT_discard_framebuffer,
         GL_EXT_framebuffer_object,
@@ -41,6 +42,7 @@
         GL_GREMEDY_string_marker,
         GL_KHR_debug,
         GL_KHR_texture_compression_astc_ldr,
+        GL_NVX_gpu_memory_info,
         GL_NV_instanced_arrays,
         GL_OES_compressed_ETC1_RGB8_texture
     Loader: True
@@ -49,9 +51,9 @@
     Reproducible: False
 
     Commandline:
-        --profile="core" --api="gl=3.3,gles2=3.0" --generator="c" --spec="gl" --extensions="GL_ANGLE_instanced_arrays,GL_ANGLE_texture_compression_dxt3,GL_ANGLE_texture_compression_dxt5,GL_ARB_ES3_compatibility,GL_ARB_draw_instanced,GL_ARB_instanced_arrays,GL_ARB_internalformat_query,GL_ARB_internalformat_query2,GL_ARB_invalidate_subdata,GL_ARB_texture_compression,GL_ARB_texture_compression_bptc,GL_ARB_texture_compression_rgtc,GL_ARB_texture_cube_map,GL_ARB_texture_non_power_of_two,GL_ARB_texture_rectangle,GL_ARB_texture_rg,GL_ARB_timer_query,GL_ARB_vertex_buffer_object,GL_ATI_separate_stencil,GL_EXT_discard_framebuffer,GL_EXT_framebuffer_object,GL_EXT_instanced_arrays,GL_EXT_multisampled_render_to_texture,GL_EXT_stencil_two_side,GL_EXT_stencil_wrap,GL_EXT_texture_array,GL_EXT_texture_compression_bptc,GL_EXT_texture_compression_dxt1,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_EXT_texture_rg,GL_GREMEDY_string_marker,GL_KHR_debug,GL_KHR_texture_compression_astc_ldr,GL_NV_instanced_arrays,GL_OES_compressed_ETC1_RGB8_texture"
+        --profile="core" --api="gl=3.3,gles2=3.0" --generator="c" --spec="gl" --extensions="GL_ANGLE_instanced_arrays,GL_ANGLE_texture_compression_dxt3,GL_ANGLE_texture_compression_dxt5,GL_ARB_ES3_compatibility,GL_ARB_draw_instanced,GL_ARB_instanced_arrays,GL_ARB_internalformat_query,GL_ARB_internalformat_query2,GL_ARB_invalidate_subdata,GL_ARB_texture_compression,GL_ARB_texture_compression_bptc,GL_ARB_texture_compression_rgtc,GL_ARB_texture_cube_map,GL_ARB_texture_non_power_of_two,GL_ARB_texture_rectangle,GL_ARB_texture_rg,GL_ARB_timer_query,GL_ARB_vertex_buffer_object,GL_ATI_meminfo,GL_ATI_separate_stencil,GL_EXT_discard_framebuffer,GL_EXT_framebuffer_object,GL_EXT_instanced_arrays,GL_EXT_multisampled_render_to_texture,GL_EXT_stencil_two_side,GL_EXT_stencil_wrap,GL_EXT_texture_array,GL_EXT_texture_compression_bptc,GL_EXT_texture_compression_dxt1,GL_EXT_texture_compression_s3tc,GL_EXT_texture_filter_anisotropic,GL_EXT_texture_rg,GL_GREMEDY_string_marker,GL_KHR_debug,GL_KHR_texture_compression_astc_ldr,GL_NVX_gpu_memory_info,GL_NV_instanced_arrays,GL_OES_compressed_ETC1_RGB8_texture"
     Online:
-        https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.3&api=gles2%3D3.0&extensions=GL_ANGLE_instanced_arrays&extensions=GL_ANGLE_texture_compression_dxt3&extensions=GL_ANGLE_texture_compression_dxt5&extensions=GL_ARB_ES3_compatibility&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_internalformat_query&extensions=GL_ARB_internalformat_query2&extensions=GL_ARB_invalidate_subdata&extensions=GL_ARB_texture_compression&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARB_texture_compression_rgtc&extensions=GL_ARB_texture_cube_map&extensions=GL_ARB_texture_non_power_of_two&extensions=GL_ARB_texture_rectangle&extensions=GL_ARB_texture_rg&extensions=GL_ARB_timer_query&extensions=GL_ARB_vertex_buffer_object&extensions=GL_ATI_separate_stencil&extensions=GL_EXT_discard_framebuffer&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_instanced_arrays&extensions=GL_EXT_multisampled_render_to_texture&extensions=GL_EXT_stencil_two_side&extensions=GL_EXT_stencil_wrap&extensions=GL_EXT_texture_array&extensions=GL_EXT_texture_compression_bptc&extensions=GL_EXT_texture_compression_dxt1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_EXT_texture_rg&extensions=GL_GREMEDY_string_marker&extensions=GL_KHR_debug&extensions=GL_KHR_texture_compression_astc_ldr&extensions=GL_NV_instanced_arrays&extensions=GL_OES_compressed_ETC1_RGB8_texture
+        https://glad.dav1d.de/#profile=core&language=c&specification=gl&loader=on&api=gl%3D3.3&api=gles2%3D3.0&extensions=GL_ANGLE_instanced_arrays&extensions=GL_ANGLE_texture_compression_dxt3&extensions=GL_ANGLE_texture_compression_dxt5&extensions=GL_ARB_ES3_compatibility&extensions=GL_ARB_draw_instanced&extensions=GL_ARB_instanced_arrays&extensions=GL_ARB_internalformat_query&extensions=GL_ARB_internalformat_query2&extensions=GL_ARB_invalidate_subdata&extensions=GL_ARB_texture_compression&extensions=GL_ARB_texture_compression_bptc&extensions=GL_ARB_texture_compression_rgtc&extensions=GL_ARB_texture_cube_map&extensions=GL_ARB_texture_non_power_of_two&extensions=GL_ARB_texture_rectangle&extensions=GL_ARB_texture_rg&extensions=GL_ARB_timer_query&extensions=GL_ARB_vertex_buffer_object&extensions=GL_ATI_meminfo&extensions=GL_ATI_separate_stencil&extensions=GL_EXT_discard_framebuffer&extensions=GL_EXT_framebuffer_object&extensions=GL_EXT_instanced_arrays&extensions=GL_EXT_multisampled_render_to_texture&extensions=GL_EXT_stencil_two_side&extensions=GL_EXT_stencil_wrap&extensions=GL_EXT_texture_array&extensions=GL_EXT_texture_compression_bptc&extensions=GL_EXT_texture_compression_dxt1&extensions=GL_EXT_texture_compression_s3tc&extensions=GL_EXT_texture_filter_anisotropic&extensions=GL_EXT_texture_rg&extensions=GL_GREMEDY_string_marker&extensions=GL_KHR_debug&extensions=GL_KHR_texture_compression_astc_ldr&extensions=GL_NVX_gpu_memory_info&extensions=GL_NV_instanced_arrays&extensions=GL_OES_compressed_ETC1_RGB8_texture
 */
 
 #include <stdio.h>
@@ -715,6 +717,7 @@ int GLAD_GL_ARB_texture_rectangle = 0;
 int GLAD_GL_ARB_texture_rg = 0;
 int GLAD_GL_ARB_timer_query = 0;
 int GLAD_GL_ARB_vertex_buffer_object = 0;
+int GLAD_GL_ATI_meminfo = 0;
 int GLAD_GL_ATI_separate_stencil = 0;
 int GLAD_GL_EXT_discard_framebuffer = 0;
 int GLAD_GL_EXT_framebuffer_object = 0;
@@ -731,6 +734,7 @@ int GLAD_GL_EXT_texture_rg = 0;
 int GLAD_GL_GREMEDY_string_marker = 0;
 int GLAD_GL_KHR_debug = 0;
 int GLAD_GL_KHR_texture_compression_astc_ldr = 0;
+int GLAD_GL_NVX_gpu_memory_info = 0;
 int GLAD_GL_NV_instanced_arrays = 0;
 int GLAD_GL_OES_compressed_ETC1_RGB8_texture = 0;
 PFNGLDRAWARRAYSINSTANCEDARBPROC glad_glDrawArraysInstancedARB = NULL;
@@ -1361,6 +1365,7 @@ static int find_extensionsGL(void) {
 	GLAD_GL_ARB_texture_rg = has_ext("GL_ARB_texture_rg");
 	GLAD_GL_ARB_timer_query = has_ext("GL_ARB_timer_query");
 	GLAD_GL_ARB_vertex_buffer_object = has_ext("GL_ARB_vertex_buffer_object");
+	GLAD_GL_ATI_meminfo = has_ext("GL_ATI_meminfo");
 	GLAD_GL_ATI_separate_stencil = has_ext("GL_ATI_separate_stencil");
 	GLAD_GL_EXT_framebuffer_object = has_ext("GL_EXT_framebuffer_object");
 	GLAD_GL_EXT_stencil_two_side = has_ext("GL_EXT_stencil_two_side");
@@ -1371,6 +1376,7 @@ static int find_extensionsGL(void) {
 	GLAD_GL_GREMEDY_string_marker = has_ext("GL_GREMEDY_string_marker");
 	GLAD_GL_KHR_debug = has_ext("GL_KHR_debug");
 	GLAD_GL_KHR_texture_compression_astc_ldr = has_ext("GL_KHR_texture_compression_astc_ldr");
+	GLAD_GL_NVX_gpu_memory_info = has_ext("GL_NVX_gpu_memory_info");
 	free_exts();
 	return 1;
 }

data/CMakeLists.txt

@@ -25,13 +25,15 @@ file(GLOB VK_SHADERS
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_combined.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_depth.vert"
+	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_depth_only.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_water.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_water_classic.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/decals.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/nolight.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/nolight_instanced.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask_instanced.vert"
+	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask_depth_instanced.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/skybox.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/rect.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/rect_instanced.frag"
@@ -43,13 +45,15 @@ file(GLOB VK_SHADERS
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_combined_medium.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_combined_high.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terraindepth.frag"
+	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_depth_only.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/water.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/terrain_water_classic.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/decals.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/nolight.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/nolight_instanced.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask_instanced.frag"
+	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/tcmask_depth_instanced.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/skybox.frag"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/quad_texture2d.vert"
 	"${CMAKE_CURRENT_SOURCE_DIR}/base/shaders/vk/quad_texture2d.frag"

data/base/shaders/tcmask_depth_instanced.frag

@@ -0,0 +1,15 @@
+// Version directive is set by Warzone when loading the shader
+// (This shader supports GLSL 1.20 - 1.50 core.)
+
+//#pragma debug(on)
+
+//#ifdef NEWGL
+//out vec4 FragColor;
+//#else
+//// Uses gl_FragColor
+//#endif
+
+void main()
+{
+	// gl_FragDepth = gl_FragCoord.z;
+}

data/base/shaders/tcmask_depth_instanced.vert

@@ -0,0 +1,55 @@
+// Version directive is set by Warzone when loading the shader
+// (This shader supports GLSL 1.20 - 1.50 core.)
+
+//#pragma debug(on)
+
+#if (!defined(GL_ES) && (__VERSION__ >= 130)) || (defined(GL_ES) && (__VERSION__ >= 300))
+#define NEWGL
+#endif
+
+#if !defined(NEWGL) && defined(GL_EXT_gpu_shader4)
+#extension GL_EXT_gpu_shader4 : enable
+#endif
+
+uniform mat4 ProjectionMatrix;
+uniform mat4 ViewMatrix;
+
+#if defined(NEWGL) || defined(GL_EXT_gpu_shader4)
+#define intMod(a, b) a % b
+#else
+#define intMod(a, b) floor((a - floor((a + 0.5) / b) * b) + 0.5)
+#endif
+
+#ifdef NEWGL
+#define VERTEX_INPUT in
+#define VERTEX_OUTPUT out
+#else
+#define VERTEX_INPUT attribute
+#define VERTEX_OUTPUT varying
+#endif
+
+VERTEX_INPUT vec4 vertex;
+VERTEX_INPUT vec3 vertexNormal;
+VERTEX_INPUT mat4 instanceModelMatrix;
+VERTEX_INPUT vec4 instancePackedValues; // shaderStretch_ecmState_alphaTest_animFrameNumber
+VERTEX_INPUT vec4 instanceColour;
+VERTEX_INPUT vec4 instanceTeamColour;
+
+void main()
+{
+	// unpack inputs
+	mat4 ModelViewMatrix = ViewMatrix * instanceModelMatrix;
+	float stretch = instancePackedValues.x;
+
+	// Implement building stretching to accommodate terrain
+	vec4 position = vertex;
+	if (vertex.y <= 0.0) // use vertex here directly to help shader compiler optimization
+	{
+		position.y -= stretch;
+	}
+
+	// Translate every vertex according to the Model View and Projection Matrix
+	mat4 ModelViewProjectionMatrix = ProjectionMatrix * ModelViewMatrix;
+	vec4 gposition = ModelViewProjectionMatrix * position;
+	gl_Position = gposition;
+}