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Add sdl_gpu demo, add more glyph positions and text rendering

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This commit is contained in:
Joey Yakimowich-Payne 2020-04-25 15:26:03 -06:00
commit ee2f3065b8
12 changed files with 312 additions and 78 deletions
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28
examples/demo_sdl2.nim
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@ -1,5 +1,5 @@
import sdl2/sdl except Color
import sdl2/sdl_image as img, opengl
import sdl2/sdl2 as sdl
import sdl2/sdl2_image as img, opengl
import os
import nanovg
@ -13,16 +13,16 @@ proc events(): bool =
while sdl.pollEvent(addr(e)) != 0:
# Quit requested
if e.kind == sdl.Quit:
if e.kind.EventType == sdl.EventQuit:
return true
# Key pressed
elif e.kind == sdl.KeyDown:
elif e.kind.EventType == sdl.EventKeyDown:
# Exit on Escape key press
if e.key.keysym.sym == sdl.K_Escape:
if e.key.keysym.sym == sdl.KeycodeEscape:
return true
proc frameBufferSize*(window: Window): tuple[w, h: int32] =
proc frameBufferSize*(window: ptr Window): tuple[w, h: int32] =
var
fbWidth: cint
fbHeight: cint
@ -31,7 +31,7 @@ proc frameBufferSize*(window: Window): tuple[w, h: int32] =
return (fbWidth.int32, fbHeight.int32)
proc size*(window: Window): tuple[w, h: int32] =
proc size*(window: ptr Window): tuple[w, h: int32] =
var
width: cint
height: cint
@ -45,22 +45,22 @@ proc main() =
fps = newGraph(RenderStyle.FPS, "Frame Time")
cpuGraph = newGraph(RenderStyle.MS, "CPU Time")
let
windowFlags: uint32 = sdl.WINDOW_OPENGL or sdl.WINDOW_ALLOW_HIGHDPI or sdl.WINDOW_SHOWN
windowFlags = sdl.WINDOW_OPENGL or sdl.WINDOW_ALLOW_HIGHDPI or sdl.WINDOW_SHOWN
screenWidth = 640
screenHeight = 480
discard sdl.init(sdl.INIT_EVERYTHING)
discard sdl.init(sdl.INIT_EVERYTHING.uint32)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_PROFILE_MASK, sdl.GL_CONTEXT_PROFILE_CORE)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_FLAGS, sdl.GL_CONTEXT_FORWARD_COMPATIBLE_FLAG)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_PROFILE_MASK, sdl.GL_CONTEXT_PROFILE_CORE.cint)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_FLAGS, sdl.GL_CONTEXT_FORWARD_COMPATIBLE_FLAG.cint)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_MAJOR_VERSION, 3)
discard sdl.glSetAttribute(sdl.GL_CONTEXT_MINOR_VERSION, 2)
let window = sdl.createWindow(
"SDL2 Test",
sdl.WINDOWPOS_CENTERED,
sdl.WINDOWPOS_CENTERED,
screenWidth, screenHeight, windowFlags
sdl.WINDOWPOS_CENTERED.cint,
sdl.WINDOWPOS_CENTERED.cint,
screenWidth.cint, screenHeight.cint, windowFlags.uint32
)
let context = glCreateContext(window)