tests: align viewports/scissor encoding with mesa.

This just realigns some of the encoder code with mesa.

tests/test_virgl_cmd.c

@@ -414,7 +414,7 @@ START_TEST(virgl_test_render_simple)
 	vp.translate[0] = half_w + 0;
 	vp.translate[1] = half_h + 0;
 	vp.translate[2] = half_d + znear;
-	virgl_encoder_set_viewport_state(&ctx, &vp);
+	virgl_encoder_set_viewport_states(&ctx, 0, 1, &vp);
     }
 
     /* draw */
@@ -670,7 +670,7 @@ START_TEST(virgl_test_render_geom_simple)
 	vp.translate[0] = half_w + 0;
 	vp.translate[1] = half_h + 0;
 	vp.translate[2] = half_d + znear;
-	virgl_encoder_set_viewport_state(&ctx, &vp);
+	virgl_encoder_set_viewport_states(&ctx, 0, 1, &vp);
     }
 
     /* draw */
@@ -915,7 +915,7 @@ START_TEST(virgl_test_render_xfb)
 	vp.translate[0] = half_w + 0;
 	vp.translate[1] = half_h + 0;
 	vp.translate[2] = half_d + znear;
-	virgl_encoder_set_viewport_state(&ctx, &vp);
+	virgl_encoder_set_viewport_states(&ctx, 0, 1, &vp);
     }
 
     /* draw */

tests/testvirgl_encode.c

@@ -296,16 +296,20 @@ int virgl_encoder_set_framebuffer_state(struct virgl_context *ctx,
    return 0;
 }
 
-int virgl_encoder_set_viewport_state(struct virgl_context *ctx,
-				    const struct pipe_viewport_state *state)
+int virgl_encoder_set_viewport_states(struct virgl_context *ctx,
+                                      int start_slot,
+                                      int num_viewports,
+                                      const struct pipe_viewport_state *states)
 {
-   int i;
-   virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VIEWPORT_STATE, 0, VIRGL_SET_VIEWPORT_STATE_SIZE(1)));
-   virgl_encoder_write_dword(ctx->cbuf, 0);
-   for (i = 0; i < 3; i++)
-      virgl_encoder_write_dword(ctx->cbuf, fui(state->scale[i]));
-   for (i = 0; i < 3; i++)
-      virgl_encoder_write_dword(ctx->cbuf, fui(state->translate[i]));
+   int i,v;
+   virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_VIEWPORT_STATE, 0, VIRGL_SET_VIEWPORT_STATE_SIZE(num_viewports)));
+   virgl_encoder_write_dword(ctx->cbuf, start_slot);
+   for (v = 0; v < num_viewports; v++) {
+      for (i = 0; i < 3; i++)
+         virgl_encoder_write_dword(ctx->cbuf, fui(states[v].scale[i]));
+      for (i = 0; i < 3; i++)
+         virgl_encoder_write_dword(ctx->cbuf, fui(states[v].translate[i]));
+   }
    return 0;
 }
 
@@ -664,16 +668,16 @@ int virgl_encoder_set_blend_color(struct virgl_context *ctx,
 }
 
 int virgl_encoder_set_scissor_state(struct virgl_context *ctx,
-				    int start_slot,
-				    int num_scissors,
-                                   const struct pipe_scissor_state *ss)
+                                    unsigned start_slot,
+                                    int num_scissors,
+                                    const struct pipe_scissor_state *ss)
 {
-   int s;
+   int i;
    virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_SCISSOR_STATE, 0, VIRGL_SET_SCISSOR_STATE_SIZE(num_scissors)));
    virgl_encoder_write_dword(ctx->cbuf, start_slot);
-   for (s = 0; s < num_scissors; s++) {
-      virgl_encoder_write_dword(ctx->cbuf, (ss[s].minx | ss[s].miny << 16));
-      virgl_encoder_write_dword(ctx->cbuf, (ss[s].maxx | ss[s].maxy << 16));
+   for (i = 0; i < num_scissors; i++) {
+      virgl_encoder_write_dword(ctx->cbuf, (ss[i].minx | ss[i].miny << 16));
+      virgl_encoder_write_dword(ctx->cbuf, (ss[i].maxx | ss[i].maxy << 16));
    }
    return 0;
 }

tests/testvirgl_encode.h

@@ -102,8 +102,10 @@ int virgl_encode_delete_object(struct virgl_context *ctx,
 
 int virgl_encoder_set_framebuffer_state(struct virgl_context *ctx,
 				       const struct pipe_framebuffer_state *state);
-int virgl_encoder_set_viewport_state(struct virgl_context *ctx,
-				    const struct pipe_viewport_state *state);
+int virgl_encoder_set_viewport_states(struct virgl_context *ctx,
+                                      int start_slot,
+                                      int num_viewports,
+                                      const struct pipe_viewport_state *states);
 
 int virgl_encoder_draw_vbo(struct virgl_context *ctx,
 			  const struct pipe_draw_info *info);
@@ -181,7 +183,7 @@ int virgl_encoder_set_blend_color(struct virgl_context *ctx,
                                  const struct pipe_blend_color *color);
 
 int virgl_encoder_set_scissor_state(struct virgl_context *ctx,
-				    int start_slot,
+				    unsigned start_slot,
 				    int num_scissors,
 				    const struct pipe_scissor_state *ss);