back in the saddle, upgrading dependencies
This commit is contained in:
@@ -9,6 +9,68 @@ So I'm just going to use this space to talk about hooking up vulkano to this bac
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All in all, this seems somewhat simple. This backend expects you to define a dozen or so types which are then passed around and manipulated using this interface.
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==== Where I am at currently ====
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So I need to figure out how pathfinder is creating and storing the framebuffers.
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RuntimeVertexDef {
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buffers: buffers,
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vertex_buffer_ids: vertex_buffer_ids,
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num_vertices: num_vertices,
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attributes: attributes,
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}
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buffers [
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(position, size, InputRate::Vertex)
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(position, size, InputRate::Vertex)
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(position, size, InputRate::Vertex)
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]
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vertex_buffer_ids [
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start and end addresses of buffers?
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]
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num_vertices : usize
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attributes [
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("attribute_name1", position, Format::R32G32Sfloat)
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("attribute_name2", position, Format::R32G32Sfloat)
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("attribute_name3", position, Format::R32G32Sfloat)
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]
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vertex shader input
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attrib loc, buffer id
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0,0 rgb
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1,1 rgb
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2,0 rgba
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3,2 rg
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4,0 rg
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5,0 rgba
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6,0 rgba
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7,0 rgba
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layout(location = 0) in vec3 i_position;
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layout(location = 1) in vec3 i_normal;
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layout(location = 2) in vec4 i_tangent;
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layout(location = 3) in vec2 i_texcoord_0;
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layout(location = 4) in vec2 i_texcoord_1;
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layout(location = 5) in vec4 i_color_0;
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layout(location = 6) in vec4 i_joints_0;
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layout(location = 7) in vec4 i_weights_0;
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pub struct RenderState<'a, D> where D: Device
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pub target: &'a RenderTarget<'a, D>,
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pub program: &'a D::Program,
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@@ -77,24 +139,29 @@ pub struct RenderState<'a, D> where D: Device
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**This one I'm a little shakey on. Where do I get these attributes?**
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[ ] fn get_vertex_attr(&self, program: &Self::Program, name: &str) -> Option<Self::VertexAttr>;
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**This function just looks up the uniform using the name**
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[ ] fn get_uniform(&self, program: &Self::Program, name: &str) -> Self::Uniform;
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**Probably just allocating a buffer with data. Target is just usage**
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**See that it passes in a borrow for Buffer, I assume we should do an**
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**uninitialized_buffer type of deal**
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[>] fn bind_buffer(&self,
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vertex_array: &Self::VertexArray,
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buffer: &Self::Buffer,
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target: BufferTarget);
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**This first bind_vertex_array()'s **
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**Then it appears to set the instancing using the descriptor and divisor?**
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**Then it configures the vertex attributes for the state. it's push pop it seems in gl**
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fn configure_vertex_attr(&self,
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vertex_array: &Self::VertexArray,
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attr: &Self::VertexAttr,
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descriptor: &VertexAttrDescriptor);
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descriptor: &VertexAttrDescriptor);
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**This function just looks up the uniform using the name**
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[ ] fn get_uniform(&self, program: &Self::Program, name: &str) -> Self::Uniform;
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**Probably just allocating a buffer with data. Target is just usage**
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**See that it passes in a borrow for Buffer, I assume we should do an**
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**uninitialized_buffer type of deal**
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**Revising this : In GL all it is doing is assigning the buffer to an index in an array**
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**Probably should do like metal and emulate it (Ended up taking metal impl!)**
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[*] fn bind_buffer(&self,
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vertex_array: &Self::VertexArray,
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buffer: &Self::Buffer,
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target: BufferTarget);
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**This creates the framebuffer using render_pass**
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**Since it's single-frame. We don't use the swapchain**
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@@ -1 +1 @@
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