renderer: Fix bilinear setting

Author: allkern

src/gs/renderer/software_thread.cpp

@@ -422,7 +422,8 @@ void software_thread_destroy(void* udata) {
     // release buffers
     SDL_ReleaseGPUBuffer(ctx->device, ctx->vertex_buffer);
     SDL_ReleaseGPUBuffer(ctx->device, ctx->index_buffer);
-    SDL_ReleaseGPUSampler(ctx->device, ctx->sampler);
+    SDL_ReleaseGPUSampler(ctx->device, ctx->sampler[0]);
+    SDL_ReleaseGPUSampler(ctx->device, ctx->sampler[1]);
 
     if (ctx->texture) SDL_ReleaseGPUTexture(ctx->device, ctx->texture);
 
@@ -1528,16 +1529,26 @@ void software_thread_init(void* udata, struct ps2_gs* gs, SDL_Window* window, SD
 
     ctx->index_buffer = SDL_CreateGPUBuffer(device, &ibci);
 
-    SDL_GPUSamplerCreateInfo sci = {
-		.min_filter = ctx->bilinear ? SDL_GPU_FILTER_LINEAR : SDL_GPU_FILTER_NEAREST,
-		.mag_filter = ctx->bilinear ? SDL_GPU_FILTER_LINEAR : SDL_GPU_FILTER_NEAREST,
+    SDL_GPUSamplerCreateInfo nearest_sci = {
+		.min_filter = SDL_GPU_FILTER_NEAREST,
+		.mag_filter = SDL_GPU_FILTER_NEAREST,
 		.mipmap_mode = SDL_GPU_SAMPLERMIPMAPMODE_NEAREST,
 		.address_mode_u = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
 		.address_mode_v = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
 		.address_mode_w = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
     };
 
-    ctx->sampler = SDL_CreateGPUSampler(ctx->device, &sci);
+    SDL_GPUSamplerCreateInfo linear_sci = {
+		.min_filter = SDL_GPU_FILTER_LINEAR,
+		.mag_filter = SDL_GPU_FILTER_LINEAR,
+		.mipmap_mode = SDL_GPU_SAMPLERMIPMAPMODE_NEAREST,
+		.address_mode_u = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+		.address_mode_v = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+		.address_mode_w = SDL_GPU_SAMPLERADDRESSMODE_CLAMP_TO_EDGE,
+    };
+
+    ctx->sampler[0] = SDL_CreateGPUSampler(ctx->device, &nearest_sci);
+    ctx->sampler[1] = SDL_CreateGPUSampler(ctx->device, &linear_sci);
 }
 
 static inline void software_thread_vram_blit(struct ps2_gs* gs, software_thread_state* ctx) {
@@ -2822,7 +2833,7 @@ void software_thread_render(void* udata, SDL_GPUCommandBuffer* command_buffer, S
 
     SDL_GPUTextureSamplerBinding tsb = {
         .texture = ctx->texture,
-        .sampler = ctx->sampler,
+        .sampler = ctx->bilinear ? ctx->sampler[1] : ctx->sampler[0],
     };
 
     SDL_BindGPUFragmentSamplers(render_pass, 0, &tsb, 1);

src/gs/renderer/software_thread.hpp

@@ -49,7 +49,7 @@ struct software_thread_state {
     SDL_GPUBuffer* vertex_buffer = nullptr;
     SDL_GPUBuffer* index_buffer = nullptr;
     SDL_GPUTexture* texture = nullptr;
-    SDL_GPUSampler* sampler = nullptr;
+    SDL_GPUSampler* sampler[2] = { nullptr };
     SDL_GPUGraphicsPipeline* pipeline = nullptr;
 
     // Context