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tests: Use a vertex buffer to draw quads for shader tests.

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For compatibility with shader models before 4.0.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2022-04-07 18:58:13 -05:00 committed by Alexandre Julliard
parent 94fcd52031
commit c7a7cf498d
1 changed files with 48 additions and 21 deletions
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69
tests/shader_runner.c
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@ -314,6 +314,24 @@ static void parse_input_layout_directive(struct shader_runner *runner, const cha
element->index = 0;
}
static void set_resource(struct shader_runner *runner, struct resource *resource)
{
size_t i;
for (i = 0; i < runner->resource_count; ++i)
{
if (runner->resources[i]->slot == resource->slot && runner->resources[i]->type == resource->type)
{
runner->ops->destroy_resource(runner, runner->resources[i]);
runner->resources[i] = resource;
return;
}
}
runner->resources = realloc(runner->resources, (runner->resource_count + 1) * sizeof(*runner->resources));
runner->resources[runner->resource_count++] = resource;
}
static void set_uniforms(struct shader_runner *runner, size_t offset, size_t count, const void *uniforms)
{
runner->uniform_count = align(max(runner->uniform_count, offset + count), 4);
@ -326,13 +344,40 @@ static void parse_test_directive(struct shader_runner *runner, const char *line)
{
if (match_string(line, "draw quad", &line))
{
struct resource_params params;
struct input_element *element;
/* For simplicity, draw a large triangle instead. */
static const struct vec2 quad[] =
{
{-2.0f, -2.0f},
{-2.0f, 4.0f},
{ 4.0f, -2.0f},
};
static const char vs_source[] =
"void main(uint id : SV_VertexID, out float4 position : SV_Position)\n"
"void main(inout float4 position : sv_position)\n"
"{\n"
" float2 coords = float2((id << 1) & 2, id & 2);\n"
" position = float4(coords * float2(2, -2) + float2(-1, 1), 0, 1);\n"
"}";
vkd3d_array_reserve((void **)&runner->input_elements, &runner->input_element_capacity,
1, sizeof(*runner->input_elements));
element = &runner->input_elements[0];
element->name = strdup("sv_position");
element->slot = 0;
element->format = DXGI_FORMAT_R32G32_FLOAT;
element->texel_size = sizeof(*quad);
element->index = 0;
runner->input_element_count = 1;
memset(&params, 0, sizeof(params));
params.slot = 0;
params.type = RESOURCE_TYPE_VERTEX_BUFFER;
params.data = malloc(sizeof(quad));
memcpy(params.data, quad, sizeof(quad));
params.data_size = sizeof(quad);
set_resource(runner, runner->ops->create_resource(runner, &params));
if (!runner->vs_source)
runner->vs_source = strdup(vs_source);
@ -482,24 +527,6 @@ static struct sampler *get_sampler(struct shader_runner *runner, unsigned int sl
return NULL;
}
static void set_resource(struct shader_runner *runner, struct resource *resource)
{
size_t i;
for (i = 0; i < runner->resource_count; ++i)
{
if (runner->resources[i]->slot == resource->slot && runner->resources[i]->type == resource->type)
{
runner->ops->destroy_resource(runner, runner->resources[i]);
runner->resources[i] = resource;
return;
}
}
runner->resources = realloc(runner->resources, (runner->resource_count + 1) * sizeof(*runner->resources));
runner->resources[runner->resource_count++] = resource;
}
unsigned int get_vb_stride(const struct shader_runner *runner, unsigned int slot)
{
unsigned int stride = 0;