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progress on updating sokol backend & demo

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This commit is contained in:
Edward R. Gonzalez
2025-01-10 12:45:15 -05:00
parent 2eb94e077f
commit f6ea780747
5 changed files with 545 additions and 563 deletions
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48
backend/sokol/backend_sokol.odin
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@@ -12,12 +12,12 @@ Context :: struct {
atlas_shader : gfx.Shader,
screen_shader : gfx.Shader,
// 2k x 512, R8
// ve.glyph_buffer.(width, height), R8
glyph_rt_color : gfx.Image,
glyph_rt_depth : gfx.Image,
glyph_rt_sampler : gfx.Sampler,
// 4k x 2k, R8
// ve.atlas.(width, height), R8
atlas_rt_color : gfx.Image,
atlas_rt_depth : gfx.Image,
atlas_rt_sampler : gfx.Sampler,
@@ -33,7 +33,6 @@ Context :: struct {
setup_gfx_objects :: proc( ctx : ^Context, ve_ctx : ^ve.Context, vert_cap, index_cap : u64 )
{
using ctx
Attachment_Desc :: gfx.Attachment_Desc
Blend_Factor :: gfx.Blend_Factor
Blend_Op :: gfx.Blend_Op
@@ -60,18 +59,18 @@ setup_gfx_objects :: proc( ctx : ^Context, ve_ctx : ^ve.Context, vert_cap, index
backend := gfx.query_backend()
app_env := glue.environment()
glyph_shader = gfx.make_shader(render_glyph_shader_desc(backend) )
atlas_shader = gfx.make_shader(blit_atlas_shader_desc(backend) )
screen_shader = gfx.make_shader(draw_text_shader_desc(backend) )
ctx.glyph_shader = gfx.make_shader(render_glyph_shader_desc(backend) )
ctx.atlas_shader = gfx.make_shader(blit_atlas_shader_desc(backend) )
ctx.screen_shader = gfx.make_shader(ve_draw_text_shader_desc(backend) )
draw_list_vbuf = gfx.make_buffer( Buffer_Desciption {
ctx.draw_list_vbuf = gfx.make_buffer( Buffer_Desciption {
size = cast(uint)(size_of([4]f32) * vert_cap),
usage = Buffer_Usage.STREAM,
type = Buffer_Type.VERTEXBUFFER,
})
assert( gfx.query_buffer_state( draw_list_vbuf) < Resource_State.FAILED, "Failed to make draw_list_vbuf" )
assert( gfx.query_buffer_state( ctx.draw_list_vbuf) < Resource_State.FAILED, "Failed to make draw_list_vbuf" )
draw_list_ibuf = gfx.make_buffer( Buffer_Desciption {
ctx.draw_list_ibuf = gfx.make_buffer( Buffer_Desciption {
size = cast(uint)(size_of(u32) * index_cap),
usage = Buffer_Usage.STREAM,
type = Buffer_Type.INDEXBUFFER,
@@ -305,8 +304,8 @@ setup_gfx_objects :: proc( ctx : ^Context, ve_ctx : ^ve.Context, vert_cap, index
mipmap_filter = Filter.NEAREST,
wrap_u = .CLAMP_TO_EDGE,
wrap_v = .CLAMP_TO_EDGE,
min_lod = -1000.0,
max_lod = 1000.0,
min_lod = -1.0,
max_lod = 1.0,
border_color = Border_Color.OPAQUE_BLACK,
compare = .NEVER,
max_anisotropy = 1,
@@ -534,8 +533,12 @@ render_text_layer :: proc( screen_extent : ve.Vec2, ve_ctx : ^ve.Context, ctx :
gfx.apply_pipeline( atlas_pipeline )
fs_uniform := Blit_Atlas_Fs_Params { region = cast(i32) draw_call.region }
gfx.apply_uniforms( UB_blit_atlas_fs_params, Range { & fs_uniform, size_of(Blit_Atlas_Fs_Params) })
fs_uniform := Ve_Blit_Atlas_Fs_Params {
glyph_buffer_size = glyph_buf_size,
over_sample = glyph_buffer.over_sample.x,
region = cast(i32) draw_call.region,
}
gfx.apply_uniforms( UB_ve_blit_atlas_fs_params, Range { & fs_uniform, size_of(Ve_Blit_Atlas_Fs_Params) })
gfx.apply_bindings(Bindings {
vertex_buffers = {
@@ -546,8 +549,8 @@ render_text_layer :: proc( screen_extent : ve.Vec2, ve_ctx : ^ve.Context, ctx :
},
index_buffer = draw_list_ibuf,
index_buffer_offset = 0,
images = { IMG_blit_atlas_src_texture = glyph_rt_color, },
samplers = { SMP_blit_atlas_src_sampler = glyph_rt_sampler, },
images = { IMG_ve_blit_atlas_src_texture = glyph_rt_color, },
samplers = { SMP_ve_blit_atlas_src_sampler = glyph_rt_sampler, },
})
// 3. Use the atlas to then render the text.
@@ -570,17 +573,18 @@ render_text_layer :: proc( screen_extent : ve.Vec2, ve_ctx : ^ve.Context, ctx :
src_rt := atlas_rt_color
src_sampler := atlas_rt_sampler
fs_target_uniform := Draw_Text_Fs_Params {
down_sample = 0,
colour = draw_call.colour,
fs_target_uniform := Ve_Draw_Text_Fs_Params {
// glyph_buffer_size = glyph_buf_size,
over_sample = glyph_buffer.over_sample.x,
colour = draw_call.colour,
}
if draw_call.pass == .Target_Uncached {
fs_target_uniform.down_sample = 1
// fs_target_uniform.over_sample = 1.0
src_rt = glyph_rt_color
src_sampler = glyph_rt_sampler
}
gfx.apply_uniforms( UB_draw_text_fs_params, Range { & fs_target_uniform, size_of(Draw_Text_Fs_Params) })
gfx.apply_uniforms( UB_ve_draw_text_fs_params, Range { & fs_target_uniform, size_of(Ve_Draw_Text_Fs_Params) })
gfx.apply_bindings(Bindings {
vertex_buffers = {
@@ -591,8 +595,8 @@ render_text_layer :: proc( screen_extent : ve.Vec2, ve_ctx : ^ve.Context, ctx :
},
index_buffer = draw_list_ibuf,
index_buffer_offset = 0,
images = { IMG_draw_text_src_texture = src_rt, },
samplers = { SMP_draw_text_src_sampler = src_sampler, },
images = { IMG_ve_draw_text_src_texture = src_rt, },
samplers = { SMP_ve_draw_text_src_sampler = src_sampler, },
})
}