diff --git a/Source/Render/sokol/SokolRenderPipeline.cpp b/Source/Render/sokol/SokolRenderPipeline.cpp
index 28bbde9f..3829afb8 100644
--- a/Source/Render/sokol/SokolRenderPipeline.cpp
+++ b/Source/Render/sokol/SokolRenderPipeline.cpp
@@ -227,93 +227,6 @@ void cSokolRender::RegisterPipeline(SokolPipelineContext context) {
         fprintf(stderr, "RegisterPipeline: invalid shader ID pipeline '%s'\n", desc.label);
         return;
     }
-    SOKOL_SHADER_ID shader_id = context.shader_funcs->get_id();
-    switch (shader_id) {
-        case SOKOL_SHADER_ID_mesh_color_tex1:
-        case SOKOL_SHADER_ID_mesh_color_tex2:
-            if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, "mesh_color_texture_vs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_color_texture_vs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, "mesh_color_texture_vs_params") != sizeof(mesh_color_texture_vs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_color_texture_vs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_FS, "mesh_color_texture_fs_params"))  {
-                fprintf(stderr, "RegisterPipeline: 'mesh_color_texture_fs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_FS, "mesh_color_texture_fs_params") != sizeof(mesh_color_texture_fs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_color_texture_fs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            }
-            break;
-        case SOKOL_SHADER_ID_mesh_normal_tex1:
-            if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, "mesh_normal_texture_vs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_normal_texture_vs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, "mesh_normal_texture_vs_params") != sizeof(mesh_normal_texture_vs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_normal_texture_vs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            }
-            break;
-        case SOKOL_SHADER_ID_shadow_tex1:
-        case SOKOL_SHADER_ID_shadow_normal_tex1:
-            if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, "shadow_texture_vs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'shadow_texture_vs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, "shadow_texture_vs_params") != sizeof(shadow_texture_vs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'shadow_texture_vs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_FS, "shadow_texture_fs_params"))  {
-                fprintf(stderr, "RegisterPipeline: 'shadow_texture_fs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_FS, "shadow_texture_fs_params") != sizeof(mesh_color_texture_fs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'shadow_texture_fs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            }
-            break;
-        case SOKOL_SHADER_ID_mesh_tex1:
-            if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, "mesh_texture_vs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_texture_vs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, "mesh_texture_vs_params") != sizeof(mesh_texture_vs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'mesh_texture_vs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            }
-            break;
-        case SOKOL_SHADER_ID_tile_map:
-            if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, "tile_map_vs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'tile_map_vs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, "tile_map_vs_params") != sizeof(tile_map_vs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'tile_map_vs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (0 > context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_FS, "tile_map_fs_params")) {
-                fprintf(stderr, "RegisterPipeline: 'tile_map_fs_params' uniform slot not found at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_FS, "tile_map_fs_params") != sizeof(tile_map_fs_params_t)) {
-                fprintf(stderr, "RegisterPipeline: 'tile_map_fs_params' uniform size doesnt match at pipeline '%s'\n", desc.label);
-                xassert(0);
-                return;
-            }
-            break;
-        default:
-            fprintf(stderr, "RegisterPipeline: Unknown shader id '%d' at pipeline '%s'\n", shader_id, desc.label);
-            return;
-    }
 
     //Check for any missing slots
     if (context.vertex_fmt & VERTEX_FMT_TEX1 &&
@@ -339,7 +252,8 @@ void cSokolRender::RegisterPipeline(SokolPipelineContext context) {
     bind_vertex_fmt(context, VERTEX_FMT_NORMAL);
 
     //Created, store on our pipelines
-    //printf("RegisterPipeline: '%s' at '%d'\n", desc.label, id);
+    SOKOL_SHADER_ID shader_id = context.shader_funcs->get_id();
+    //printf("RegisterPipeline: '%s' at '%d'\n", desc.label, shader_id);
     SokolPipeline* pipeline = new SokolPipeline {
         context,
         sg_make_pipeline(desc),
@@ -354,6 +268,75 @@ void cSokolRender::RegisterPipeline(SokolPipelineContext context) {
         xxassert(0, "RegisterPipeline: invalid pipeline vertex format " + std::string(desc.label));
         return;
     }
+    const char* vs_params_name = nullptr;
+    const char* fs_params_name = nullptr;
+    size_t vs_params_size = 0;
+    size_t fs_params_size = 0;
+    switch (shader_id) {
+        case SOKOL_SHADER_ID_mesh_color_tex1:
+        case SOKOL_SHADER_ID_mesh_color_tex2:
+            vs_params_name = "mesh_color_texture_vs_params";
+            fs_params_name = "mesh_color_texture_fs_params";
+            vs_params_size = sizeof(mesh_color_texture_vs_params_t);
+            fs_params_size = sizeof(mesh_color_texture_fs_params_t);
+            break;
+        case SOKOL_SHADER_ID_mesh_normal_tex1:
+            vs_params_name = "mesh_normal_texture_vs_params";
+            fs_params_name = "mesh_normal_texture_fs_params";
+            vs_params_size = sizeof(mesh_normal_texture_vs_params_t);
+            fs_params_size = sizeof(mesh_normal_texture_fs_params_t);
+            break;
+        case SOKOL_SHADER_ID_shadow_tex1:
+        case SOKOL_SHADER_ID_shadow_normal_tex1:
+            vs_params_name = "shadow_texture_vs_params";
+            fs_params_name = "shadow_texture_fs_params";
+            vs_params_size = sizeof(shadow_texture_vs_params_t);
+            fs_params_size = sizeof(shadow_texture_fs_params_t);
+            break;
+        case SOKOL_SHADER_ID_mesh_tex1:
+            vs_params_name = "mesh_texture_vs_params";
+            vs_params_size = sizeof(mesh_texture_vs_params_t);
+            break;
+        case SOKOL_SHADER_ID_tile_map:
+            vs_params_name = "tile_map_vs_params";
+            fs_params_name = "tile_map_fs_params";
+            vs_params_size = sizeof(tile_map_vs_params_t);
+            fs_params_size = sizeof(tile_map_fs_params_t);
+            break;
+        case SOKOL_SHADER_ID_NONE:
+        default:
+            fprintf(stderr, "RegisterPipeline: Unknown shader id '%d' at pipeline '%s'\n", shader_id, desc.label);
+            break;
+    }
+
+    if (vs_params_name) {
+        pipeline->vs_params_slot = context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, vs_params_name);
+        if (0 > pipeline->vs_params_slot) {
+            fprintf(stderr, "RegisterPipeline: '%s' vs uniform slot not found at pipeline '%s'\n", vs_params_name,
+                    desc.label);
+            xassert(0);
+            return;
+        } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_VS, vs_params_name) != vs_params_size) {
+            fprintf(stderr, "RegisterPipeline: '%s' vs uniform size doesnt match at pipeline '%s'\n",
+                    vs_params_name, desc.label);
+            xassert(0);
+            return;
+        }
+    }
+    if (fs_params_name) {
+        pipeline->fs_params_slot = context.shader_funcs->uniformblock_slot(SG_SHADERSTAGE_FS, fs_params_name);
+        if (0 > pipeline->fs_params_slot) {
+            fprintf(stderr, "RegisterPipeline: '%s' fs uniform slot not found at pipeline '%s'\n",
+                    fs_params_name, desc.label);
+            xassert(0);
+            return;
+        } else if (context.shader_funcs->uniformblock_size(SG_SHADERSTAGE_FS, fs_params_name) != fs_params_size) {
+            fprintf(stderr, "RegisterPipeline: '%s' fs uniform size doesnt match at pipeline '%s'\n",
+                    fs_params_name, desc.label);
+            xassert(0);
+            return;
+        }
+    }
     for (int i = 0; i < PERIMETER_SOKOL_TEXTURES; ++i) {
         std::string name = "un_tex" + std::to_string(i);
         pipeline->shader_fs_texture_slot[i] = context.shader_funcs->image_slot(SG_SHADERSTAGE_FS, name.c_str());
diff --git a/Source/Render/sokol/SokolRenderPipeline.h b/Source/Render/sokol/SokolRenderPipeline.h
index fbf3de3e..d63ce72c 100644
--- a/Source/Render/sokol/SokolRenderPipeline.h
+++ b/Source/Render/sokol/SokolRenderPipeline.h
@@ -14,8 +14,11 @@ struct SokolPipeline {
     //Mapping of texture slots in fragment shader
     int shader_fs_texture_slot[PERIMETER_SOKOL_TEXTURES] = {};
     //Sampler slot
-    int shader_fs_sampler_slot = 0;
-    int shader_fs_shadow_sampler_slot = 0;
+    int shader_fs_sampler_slot = -1;
+    int shader_fs_shadow_sampler_slot = -1;
+    //Uniform params slots
+    int vs_params_slot = -1;
+    int fs_params_slot = -1;
     
     SokolPipeline() = default;
     ~SokolPipeline();
diff --git a/Source/Render/sokol/SokolRenderState.cpp b/Source/Render/sokol/SokolRenderState.cpp
index 16a508d9..74d5d782 100644
--- a/Source/Render/sokol/SokolRenderState.cpp
+++ b/Source/Render/sokol/SokolRenderState.cpp
@@ -133,18 +133,29 @@ void cSokolRender::DoSokolRendering() {
     ProcessRenderPass(swapchain_pass, swapchainCommands);
 }
 
+#define CMDS_COMPARE_PREV_COMMAND
 void cSokolRender::ProcessRenderPass(sg_pass& render_pass, const std::vector<SokolCommand*>& pass_commands) {
     std::string pass_group_label = "pass_";
     pass_group_label += render_pass.label;
     sg_push_debug_group(pass_group_label.c_str());
     sg_begin_pass(&render_pass);
+#ifdef PERIMETER_DEBUG
+    //printf("@@@ %s @@@\n",pass_group_label.c_str());
+#endif
 
     //Iterate each command
+#ifdef CMDS_COMPARE_PREV_COMMAND
     const SokolCommand* prev_command = nullptr;
+#ifdef DEBUG_TEST_SAME
+    int same_i = 0;
+#endif
+#endif
     const SokolCommand* command = nullptr;
     bool open_debug_group = false;
     for (size_t passcmd_i = 0; passcmd_i < pass_commands.size(); ++passcmd_i) {
+#ifdef CMDS_COMPARE_PREV_COMMAND
         prev_command = command;
+#endif
         command = pass_commands[passcmd_i];
 
         //Make/Close debug group
@@ -191,8 +202,8 @@ void cSokolRender::ProcessRenderPass(sg_pass& render_pass, const std::vector<Sok
             xxassert(0, "cSokolRender::ProcessRenderPass missing pipeline");
             continue;
         }
-        shader_funcs* shader_funcs = pipeline->context.shader_funcs;
 
+#ifdef CMDS_COMPARE_PREV_COMMAND
         bool pipeline_diff = !prev_command || prev_command->pipeline != pipeline;
         bool vs_params_diff = !prev_command || pipeline_diff
         || prev_command->vs_params_len != command->vs_params_len
@@ -209,6 +220,23 @@ void cSokolRender::ProcessRenderPass(sg_pass& render_pass, const std::vector<Sok
                 command->fs_params_len
         ));
 
+#ifdef DEBUG_TEST_SAME
+        if (prev_command && prev_command->vertex_buffer && command->vertex_buffer
+        && prev_command->pipeline == command->pipeline
+        && prev_command->base_elements == command->base_elements
+        && prev_command->indices == command->indices
+        && !fs_params_diff
+        && prev_command->vertex_buffer->res.id == command->vertex_buffer->res.id) {
+            same_i++;
+            continue;
+        } else if (0 < same_i) {
+            if (2< same_i) {
+                printf("!! Up %d\n", same_i);
+            } 
+            same_i = 0;
+        }
+#endif
+
         if (!prev_command
         || vs_params_diff || fs_params_diff
         || prev_command->vertex_buffer != command->vertex_buffer
@@ -219,7 +247,9 @@ void cSokolRender::ProcessRenderPass(sg_pass& render_pass, const std::vector<Sok
                 command->sokol_images,
                 sizeof(SokolResourceImage*) * PERIMETER_SOKOL_TEXTURES
         ))
-        ) {
+        )
+#endif
+        {
 #if defined(PERIMETER_DEBUG) && 0
             printf("id: 0x%X fmt: 0x%X vtx: %d idx: %d\n",
                    command->pipeline_id, pipeline->vertex_fmt,
@@ -300,47 +330,27 @@ void cSokolRender::ProcessRenderPass(sg_pass& render_pass, const std::vector<Sok
             sg_apply_bindings(&bindings);
             
             //Apply VS uniforms
-            SOKOL_SHADER_ID shader_id = shader_funcs->get_id();
-            const char* vs_params_name = nullptr;
-            const char* fs_params_name = nullptr;
-            switch (shader_id) {
-                case SOKOL_SHADER_ID_mesh_color_tex1:
-                case SOKOL_SHADER_ID_mesh_color_tex2:
-                    vs_params_name = "mesh_color_texture_vs_params";
-                    fs_params_name = "mesh_color_texture_fs_params";
-                    break;
-                case SOKOL_SHADER_ID_mesh_normal_tex1:
-                    vs_params_name = "mesh_normal_texture_vs_params";
-                    fs_params_name = "mesh_normal_texture_fs_params";
-                    break;
-                case SOKOL_SHADER_ID_shadow_tex1:
-                case SOKOL_SHADER_ID_shadow_normal_tex1:
-                    vs_params_name = "shadow_texture_vs_params";
-                    fs_params_name = "shadow_texture_fs_params";
-                    break;
-                case SOKOL_SHADER_ID_mesh_tex1:
-                    vs_params_name = "mesh_texture_vs_params";
-                    break;
-                case SOKOL_SHADER_ID_tile_map:
-                    vs_params_name = "tile_map_vs_params";
-                    fs_params_name = "tile_map_fs_params";
-                    break;                
-                default:
-                case SOKOL_SHADER_ID_NONE:
-                    xassert(0);
-            }
-
-            if (vs_params_name && vs_params_diff) {
-                int vs_params_slot = shader_funcs->uniformblock_slot(SG_SHADERSTAGE_VS, vs_params_name);
-                xxassert(0 <= vs_params_slot, "No vs slot found");
+#ifdef CMDS_COMPARE_PREV_COMMAND
+            if (vs_params_diff)
+#endif
+            if (0 <= pipeline->vs_params_slot) {
                 xxassert(command->vs_params, "No vs parameters set in command");
-                sg_apply_uniforms(SG_SHADERSTAGE_VS, vs_params_slot, sg_range { command->vs_params, command->vs_params_len });
+                sg_apply_uniforms(
+                        SG_SHADERSTAGE_VS,
+                        pipeline->vs_params_slot,
+                        sg_range { command->vs_params, command->vs_params_len }
+                );
             }
-            if (fs_params_name && fs_params_diff) {
-                int fs_params_slot = shader_funcs->uniformblock_slot(SG_SHADERSTAGE_FS, fs_params_name);
-                xxassert(0 <= fs_params_slot, "No fs slot found");
+#ifdef CMDS_COMPARE_PREV_COMMAND
+            if (fs_params_diff)
+#endif
+            if (0 <= pipeline->fs_params_slot) {
                 xxassert(command->fs_params, "No fs parameters set in command");
-                sg_apply_uniforms(SG_SHADERSTAGE_FS, fs_params_slot, sg_range { command->fs_params, command->fs_params_len });
+                sg_apply_uniforms(
+                        SG_SHADERSTAGE_FS,
+                        pipeline->fs_params_slot,
+                        sg_range { command->fs_params, command->fs_params_len }
+                );
             }
         }
 
@@ -834,7 +844,6 @@ void cSokolRender::CreateCommand(VertexBuffer* vb, size_t vertices, IndexBuffer*
         case SOKOL_SHADER_ID_shadow_normal_tex1: {
             auto vs_params = reinterpret_cast<shadow_texture_vs_params_t*>(cmd->vs_params);
             auto fs_params = reinterpret_cast<shadow_texture_fs_params_t*>(cmd->fs_params);
-            vs_params->un_mvp = isOrthographicProjSet ? orthoVP : (activeCommandW * activeCommandVP);
             shader_set_common_params(vs_params, fs_params);
             break;
         }