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Add renderer blend state contract

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This commit is contained in:
omigamedev
2026-06-02 15:40:43 +02:00
parent 5dbeb0504d
commit 5226746c1a
9 changed files with 326 additions and 60 deletions
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35
src/renderer_api/renderer_api.h
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@@ -65,6 +65,35 @@ enum class BlitFilter : std::uint8_t {
linear,
};
enum class BlendFactor : std::uint8_t {
zero,
one,
source_alpha,
one_minus_source_alpha,
destination_alpha,
one_minus_destination_alpha,
};
enum class BlendOp : std::uint8_t {
add,
subtract,
reverse_subtract,
};
struct BlendState {
bool enabled = false;
BlendFactor source_color = BlendFactor::one;
BlendFactor destination_color = BlendFactor::zero;
BlendOp color_op = BlendOp::add;
BlendFactor source_alpha = BlendFactor::one;
BlendFactor destination_alpha = BlendFactor::zero;
BlendOp alpha_op = BlendOp::add;
bool write_r = true;
bool write_g = true;
bool write_b = true;
bool write_a = true;
};
struct MeshDesc {
std::uint32_t vertex_count = 0;
std::uint32_t index_count = 0;
@@ -126,6 +155,7 @@ public:
IRenderTarget& target,
ClearColor clear_color) noexcept = 0;
[[nodiscard]] virtual pp::foundation::Status set_viewport(Viewport viewport) noexcept = 0;
[[nodiscard]] virtual pp::foundation::Status set_blend_state(BlendState state) noexcept = 0;
[[nodiscard]] virtual pp::foundation::Status bind_shader(IShaderProgram& shader) noexcept = 0;
[[nodiscard]] virtual pp::foundation::Status bind_texture(
std::uint32_t slot,
@@ -163,6 +193,9 @@ public:
[[nodiscard]] std::uint32_t bytes_per_pixel(TextureFormat format) noexcept;
[[nodiscard]] pp::foundation::Status validate_extent(Extent2D extent) noexcept;
[[nodiscard]] pp::foundation::Status validate_viewport(Viewport viewport, Extent2D target_extent) noexcept;
[[nodiscard]] pp::foundation::Status validate_blend_factor(BlendFactor factor) noexcept;
[[nodiscard]] pp::foundation::Status validate_blend_op(BlendOp op) noexcept;
[[nodiscard]] pp::foundation::Status validate_blend_state(BlendState state) noexcept;
[[nodiscard]] pp::foundation::Status validate_mesh_desc(MeshDesc desc) noexcept;
[[nodiscard]] pp::foundation::Status validate_texture_slot(std::uint32_t slot) noexcept;
[[nodiscard]] pp::foundation::Status validate_shader_program_desc(ShaderProgramDesc desc) noexcept;
@@ -179,5 +212,7 @@ public:
[[nodiscard]] const char* texture_format_name(TextureFormat format) noexcept;
[[nodiscard]] const char* primitive_topology_name(PrimitiveTopology topology) noexcept;
[[nodiscard]] const char* blit_filter_name(BlitFilter filter) noexcept;
[[nodiscard]] const char* blend_factor_name(BlendFactor factor) noexcept;
[[nodiscard]] const char* blend_op_name(BlendOp op) noexcept;
}