[PATCH vkd3d 3/4] tests: Store samplers in a fixed-size array.

[Zebediah Figura]

We will need to allocate some structures in the Vulkan backend; this is easier
if we don't need to worry about allocating them dynamically.

Signed-off-by: Zebediah Figura 
---
 tests/shader_runner.c | 15 ++++++---------
 tests/shader_runner.h |  3 ++-
 2 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/tests/shader_runner.c b/tests/shader_runner.c
index 2bdc6bd15..bf3bc0d85 100644
--- a/tests/shader_runner.c
+++ b/tests/shader_runner.c
@@ -725,17 +725,14 @@ void run_shader_tests(struct shader_runner *runner, int argc, char **argv, const
             {
                 state = STATE_SAMPLER;

-                if ((current_sampler = get_sampler(runner, index)))
+                if (!(current_sampler = get_sampler(runner, index)))
                 {
-                    memset(current_sampler, 0, sizeof(*current_sampler));
-                }
-                else
-                {
-                    runner->samplers = realloc(runner->samplers,
-                            ++runner->sampler_count * sizeof(*runner->samplers));
-                    current_sampler = &runner->samplers[runner->sampler_count - 1];
-                    memset(current_sampler, 0, sizeof(*current_sampler));
+                    if (runner->sampler_count == MAX_SAMPLERS)
+                        fatal_error("Too many samplers declared.\n");
+
+                    current_sampler = &runner->samplers[runner->sampler_count++];
                 }
+                memset(current_sampler, 0, sizeof(*current_sampler));
                 current_sampler->slot = index;
                 current_sampler->filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
                 current_sampler->u_address = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
diff --git a/tests/shader_runner.h b/tests/shader_runner.h
index 3bfbf48df..5d08206f2 100644
--- a/tests/shader_runner.h
+++ b/tests/shader_runner.h
@@ -88,6 +88,7 @@ struct input_element
 };

#define MAX_RESOURCES 32
+#define MAX_SAMPLERS 32

struct shader_runner
 {
@@ -103,7 +104,7 @@ struct shader_runner
     struct resource *resources[MAX_RESOURCES];
     size_t resource_count;

-    struct sampler *samplers;
+    struct sampler samplers[MAX_SAMPLERS];
     size_t sampler_count;

struct input_element *input_elements;