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-rw-r--r--Spear/Render/Core/Buffer.hs54
-rw-r--r--Spear/Render/Core/Geometry.hs197
-rw-r--r--Spear/Render/Core/State.hs65
-rw-r--r--Spear/Render/Immediate.hs7
4 files changed, 222 insertions, 101 deletions
diff --git a/Spear/Render/Core/Buffer.hs b/Spear/Render/Core/Buffer.hs
index 6f1e355..a4e98a4 100644
--- a/Spear/Render/Core/Buffer.hs
+++ b/Spear/Render/Core/Buffer.hs
@@ -13,8 +13,8 @@ import Spear.Game
13import Spear.Math.Vector 13import Spear.Math.Vector
14import Spear.Render.Core.State 14import Spear.Render.Core.State
15 15
16import Control.Monad (void) 16import Control.Monad (unless, void)
17import Data.HashMap as HashMap 17import qualified Data.HashMap as HashMap
18import Data.Word 18import Data.Word
19import Foreign.C.Types 19import Foreign.C.Types
20import Foreign.Marshal.Alloc 20import Foreign.Marshal.Alloc
@@ -29,6 +29,7 @@ data BufferData
29 = BufferDataUntyped (Ptr Word8) GLuint 29 = BufferDataUntyped (Ptr Word8) GLuint
30 | BufferDataVec2 [Vector2] 30 | BufferDataVec2 [Vector2]
31 | BufferDataVec3 [Vector3] 31 | BufferDataVec3 [Vector3]
32 | BufferDataVec4 [Vector4]
32 | BufferDataFloat [Float] 33 | BufferDataFloat [Float]
33 | BufferDataU8 [Word8] 34 | BufferDataU8 [Word8]
34 | BufferDataU16 [Word16] 35 | BufferDataU16 [Word16]
@@ -36,7 +37,6 @@ data BufferData
36 37
37data BufferDesc = BufferDesc 38data BufferDesc = BufferDesc
38 { bufferDescUsage :: BufferUsage 39 { bufferDescUsage :: BufferUsage
39 , bufferDescType :: BufferType
40 , bufferDescData :: BufferData 40 , bufferDescData :: BufferData
41 } 41 }
42 42
@@ -52,10 +52,10 @@ makeBufferAndView desc = do
52 } 52 }
53 53
54makeBuffer :: BufferDesc -> Game RenderCoreState Buffer 54makeBuffer :: BufferDesc -> Game RenderCoreState Buffer
55makeBuffer (BufferDesc usage bufferType bufferData) = do 55makeBuffer (BufferDesc usage bufferData) = do
56 handle <- gameIO $ alloca $ \ptr -> glGenBuffers 1 ptr >> peek ptr 56 handle <- gameIO $ alloca $ \ptr -> glGenBuffers 1 ptr >> peek ptr
57 resourceKey <- register $ deleteBuffer' handle 57 resourceKey <- register $ deleteBuffer' handle
58 let buffer = Buffer handle resourceKey bufferType usage 58 let buffer = Buffer handle resourceKey usage
59 gameIO $ updateBuffer buffer bufferData 59 gameIO $ updateBuffer buffer bufferData
60 modifyGameState (\state -> state { 60 modifyGameState (\state -> state {
61 buffers = HashMap.insert handle buffer (buffers state) }) 61 buffers = HashMap.insert handle buffer (buffers state) })
@@ -71,12 +71,10 @@ deleteBuffer buffer = do
71-- TODO: use glBufferSubData for updates. 71-- TODO: use glBufferSubData for updates.
72updateBuffer :: Buffer -> BufferData -> IO () 72updateBuffer :: Buffer -> BufferData -> IO ()
73updateBuffer buffer bufferData = 73updateBuffer buffer bufferData =
74 case bufferData of 74 unless (bufferEmpty bufferData) $ do
75 BufferUninitialized -> return () 75 glBindBuffer GL_ARRAY_BUFFER (bufferHandle buffer)
76 _ -> do 76 uploadData (bufferUsage buffer) bufferData
77 glBindBuffer GL_ARRAY_BUFFER (bufferHandle buffer) 77 glBindBuffer GL_ARRAY_BUFFER 0
78 uploadData (bufferUsage buffer) bufferData
79 glBindBuffer GL_ARRAY_BUFFER 0
80 78
81-- Private 79-- Private
82 80
@@ -87,26 +85,35 @@ deleteBuffer' handle = alloca $ \ptr -> do
87 85
88uploadData :: BufferUsage -> BufferData -> IO () 86uploadData :: BufferUsage -> BufferData -> IO ()
89uploadData usage bufferData = case bufferData of 87uploadData usage bufferData = case bufferData of
90 BufferDataUntyped ptr sizeBytes -> do 88 BufferDataUntyped ptr sizeBytes ->
91 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) (unsafeCoerce ptr) usage' 89 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) (unsafeCoerce ptr) usage'
92 BufferDataVec2 vec2s -> withArrayLen vec2s $ \numElems ptr -> do 90 BufferDataVec2 vec2s -> withArrayLen vec2s $ \numElems ptr ->
93 let sizeBytes = numElems * sizeOf (undefined :: Vector2)
94 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage' 91 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
95 BufferDataVec3 vec3s -> withArrayLen vec3s $ \numElems ptr -> do 92 BufferDataVec3 vec3s -> withArrayLen vec3s $ \numElems ptr ->
96 let sizeBytes = numElems * sizeOf (undefined :: Vector3)
97 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage' 93 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
98 BufferDataFloat floats -> withArrayLen floats $ \numElems ptr -> do 94 BufferDataVec4 vec4s -> withArrayLen vec4s $ \numElems ptr ->
99 let sizeBytes = numElems * sizeOf (undefined :: CFloat)
100 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage' 95 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
101 BufferDataU8 ints -> withArrayLen ints $ \numElems ptr -> do 96 BufferDataFloat floats -> withArrayLen floats $ \numElems ptr ->
102 let sizeBytes = numElems * sizeOf (undefined :: Word8)
103 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage' 97 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
104 BufferDataU16 ints -> withArrayLen ints $ \numElems ptr -> do 98 BufferDataU8 ints -> withArrayLen ints $ \numElems ptr ->
105 let sizeBytes = numElems * sizeOf (undefined :: Word16) 99 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
100 BufferDataU16 ints -> withArrayLen ints $ \numElems ptr ->
106 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage' 101 glBufferData GL_ARRAY_BUFFER (fromIntegral sizeBytes) ptr usage'
107 BufferUninitialized -> 102 BufferUninitialized ->
108 return () 103 return ()
109 where usage' = toGLUsage usage 104 where
105 usage' = toGLUsage usage
106 sizeBytes = bufferDataSizeBytes bufferData
107
108bufferEmpty :: BufferData -> Bool
109bufferEmpty (BufferDataUntyped ptr sizeBytes) = sizeBytes /= 0
110bufferEmpty (BufferDataVec2 list) = null list
111bufferEmpty (BufferDataVec3 list) = null list
112bufferEmpty (BufferDataVec4 list) = null list
113bufferEmpty (BufferDataFloat list) = null list
114bufferEmpty (BufferDataU8 list) = null list
115bufferEmpty (BufferDataU16 list) = null list
116bufferEmpty BufferUninitialized = True
110 117
111toGLUsage :: BufferUsage -> GLenum 118toGLUsage :: BufferUsage -> GLenum
112toGLUsage BufferStatic = GL_STATIC_DRAW 119toGLUsage BufferStatic = GL_STATIC_DRAW
@@ -117,6 +124,7 @@ bufferDataSizeBytes bufferData = case bufferData of
117 BufferDataUntyped ptr sizeBytes -> sizeBytes 124 BufferDataUntyped ptr sizeBytes -> sizeBytes
118 BufferDataVec2 vec2s -> fromIntegral $ length vec2s * sizeOf (undefined :: Vector2) 125 BufferDataVec2 vec2s -> fromIntegral $ length vec2s * sizeOf (undefined :: Vector2)
119 BufferDataVec3 vec3s -> fromIntegral $ length vec3s * sizeOf (undefined :: Vector3) 126 BufferDataVec3 vec3s -> fromIntegral $ length vec3s * sizeOf (undefined :: Vector3)
127 BufferDataVec4 vec4s -> fromIntegral $ length vec4s * sizeOf (undefined :: Vector4)
120 BufferDataFloat floats -> fromIntegral $ length floats * 4 128 BufferDataFloat floats -> fromIntegral $ length floats * 4
121 BufferDataU8 bytes -> fromIntegral $ length bytes 129 BufferDataU8 bytes -> fromIntegral $ length bytes
122 BufferDataU16 words -> fromIntegral $ length words * 2 130 BufferDataU16 words -> fromIntegral $ length words * 2
diff --git a/Spear/Render/Core/Geometry.hs b/Spear/Render/Core/Geometry.hs
index aa0dfe5..6c05b38 100644
--- a/Spear/Render/Core/Geometry.hs
+++ b/Spear/Render/Core/Geometry.hs
@@ -1,6 +1,12 @@
1module Spear.Render.Core.Geometry 1module Spear.Render.Core.Geometry
2( 2(
3 newGeometryDesc 3 GeometryDesc(..)
4, VertexData(..)
5, Positions(..)
6, Indices(..)
7, Weights(..)
8, GeometryUsage(..)
9, newGeometryDesc
4, makeGeometry 10, makeGeometry
5, deleteGeometry 11, deleteGeometry
6, renderGeometry 12, renderGeometry
@@ -10,19 +16,58 @@ where
10 16
11 17
12import Spear.Game 18import Spear.Game
13import Spear.Math.Vector.Vector3 19import Spear.Math.Vector
14import Spear.Render.Core.Buffer 20import Spear.Render.Core.Buffer
15import Spear.Render.Core.Constants 21import Spear.Render.Core.Constants
16import Spear.Render.Core.State 22import Spear.Render.Core.State
17 23
18import Data.HashMap as HashMap 24import Data.HashMap as HashMap
19import Data.IORef 25import Data.IORef
26import Data.Maybe (fromJust)
27import Data.Word
20import Foreign.Marshal.Alloc 28import Foreign.Marshal.Alloc
21import Foreign.Storable 29import Foreign.Storable
22import Graphics.GL.Core46 30import Graphics.GL.Core46
23import Unsafe.Coerce 31import Unsafe.Coerce
24 32
25 33
34data VertexData v
35 = FromView (BufferView v)
36 | FromList [v]
37
38data Positions
39 = Positions2d (VertexData Vector2)
40 | Positions3d (VertexData Vector3)
41
42data Indices
43 = IndicesU8 (VertexData Word8)
44 | IndicesU16 (VertexData Word16)
45
46data Weights
47 = WeightsU8 (VertexData Word8)
48 | WeightsU16 (VertexData Word16)
49 | WeightsFloat (VertexData Float)
50
51data GeometryUsage
52 = GeometryStatic
53 | GeometryDynamic
54
55-- | A geometry descriptor.
56data GeometryDesc = GeometryDesc
57 { positions :: Maybe Positions -- Convenient for the empty descriptor.
58 , normals :: Maybe (VertexData Vector3)
59 , tangents :: Maybe (VertexData Vector4)
60 , texcoords :: Maybe (VertexData Vector4)
61 , joints :: Maybe Indices
62 , weights :: Maybe Weights
63 , indices :: Maybe Indices
64 , numVerts :: GLsizei
65 , numIndices :: GLsizei
66 , primitiveType :: PrimitiveType
67 , geometryUsage :: GeometryUsage
68 }
69
70
26newGeometryDesc :: GeometryDesc 71newGeometryDesc :: GeometryDesc
27newGeometryDesc = GeometryDesc 72newGeometryDesc = GeometryDesc
28 { positions = Nothing 73 { positions = Nothing
@@ -35,19 +80,21 @@ newGeometryDesc = GeometryDesc
35 , numVerts = 0 80 , numVerts = 0
36 , numIndices = 0 81 , numIndices = 0
37 , primitiveType = Triangles 82 , primitiveType = Triangles
83 , geometryUsage = GeometryStatic
38 } 84 }
39 85
40 86
41makeGeometry :: GeometryDesc -> Game RenderCoreState Geometry 87makeGeometry :: GeometryDesc -> Game RenderCoreState Geometry
42makeGeometry desc = do 88makeGeometry desc = do
89 gdata <- geometryDescToData desc
43 handle <- gameIO $ alloca $ \ptr -> glGenVertexArrays 1 ptr >> peek ptr 90 handle <- gameIO $ alloca $ \ptr -> glGenVertexArrays 1 ptr >> peek ptr
44 gameIO $ do 91 gameIO $ do
45 glBindVertexArray handle 92 glBindVertexArray handle
46 configureVertexAttributes desc 93 configureVertexAttributes gdata
47 glBindVertexArray 0 94 glBindVertexArray 0
48 descRef <- gameIO $ newIORef desc 95 gdataRef <- gameIO $ newIORef gdata
49 resourceKey <- register $ deleteGeometry' handle 96 resourceKey <- register $ deleteGeometry' handle
50 let geometry = Geometry handle resourceKey descRef 97 let geometry = Geometry handle resourceKey gdataRef
51 modifyGameState (\state -> state { 98 modifyGameState (\state -> state {
52 geometries = HashMap.insert handle geometry (geometries state) }) 99 geometries = HashMap.insert handle geometry (geometries state) })
53 return geometry 100 return geometry
@@ -60,39 +107,120 @@ deleteGeometry geometry = do
60 107
61renderGeometry :: Geometry -> IO () 108renderGeometry :: Geometry -> IO ()
62renderGeometry geometry = do 109renderGeometry geometry = do
63 desc <- readIORef (geometryDesc geometry) 110 gdata <- readIORef (geometryData geometry)
64 let mode = toGLPrimitiveType $ primitiveType desc 111 let mode = toGLPrimitiveType $ geometryPrimitiveType gdata
65 glBindVertexArray (geometryVao geometry) 112 glBindVertexArray (geometryVao geometry)
66 case indices desc of 113 case vertexIndices gdata of
67 (Just (IndicesU8 view)) -> renderIndexed view mode (numIndices desc) GL_UNSIGNED_BYTE 114 (Just (VertexIndicesU8 view)) ->
68 (Just (IndicesU16 view)) -> renderIndexed view mode (numIndices desc) GL_UNSIGNED_SHORT 115 renderIndexed view mode (geometryNumIndices gdata) GL_UNSIGNED_BYTE
69 Nothing -> glDrawArrays mode 0 (numVerts desc) 116 (Just (VertexIndicesU16 view)) ->
117 renderIndexed view mode (geometryNumIndices gdata) GL_UNSIGNED_SHORT
118 Nothing ->
119 glDrawArrays mode 0 (geometryNumVerts gdata)
70 glBindVertexArray 0 120 glBindVertexArray 0
71 121
72-- Functions for updating dynamic geometry. 122-- Functions for updating dynamic geometry.
73 123
74setPositions :: Geometry -> [Vector3] -> IO () 124setPositions :: Geometry -> [Vector3] -> IO ()
75setPositions geometry vectors = do 125setPositions geometry vectors = do
76 desc <- readIORef $ geometryDesc geometry 126 gdata <- readIORef $ geometryData geometry
77 case positions desc of 127 case vertexPositions gdata of
78 Just (Positions3d view) -> do 128 VertexPositions3d view -> do
79 updateBuffer (bufferViewBuffer view) (BufferDataVec3 vectors) 129 updateBuffer (bufferViewBuffer view) (BufferDataVec3 vectors)
80 updateGeometry geometry $ \desc -> desc { 130 updateGeometry geometry $ \gdata -> gdata {
81 numVerts = fromIntegral . length $ vectors 131 geometryNumVerts = fromIntegral . length $ vectors
82 } 132 }
83 _ -> putStrLn "setPositions ERROR" -- TODO: handle gracefully 133 _ -> putStrLn "setPositions ERROR" -- TODO: handle gracefully
84 134
85-- Private 135-- Private
86 136
137geometryDescToData :: GeometryDesc -> Game RenderCoreState GeometryData
138geometryDescToData desc =
139 let
140 bufferUsage = toBufferUsage (geometryUsage desc)
141 toBufferUsage GeometryStatic = BufferStatic
142 toBufferUsage GeometryDynamic = BufferDynamic
143 -- Maybe handling.
144 convert :: (a -> Game RenderCoreState b) -> Maybe a -> Game RenderCoreState (Maybe b)
145 convert f value = case value of
146 Nothing -> return Nothing
147 Just x -> Just <$> f x
148 -- 2d vectors
149 convert2d :: VertexData Vector2 -> Game RenderCoreState (BufferView Vector2)
150 convert2d (FromView view) = return view
151 convert2d (FromList vec2s) = makeBufferAndView $
152 BufferDesc bufferUsage (BufferDataVec2 vec2s)
153 -- 3d vectors
154 convert3d :: VertexData Vector3 -> Game RenderCoreState (BufferView Vector3)
155 convert3d (FromView view) = return view
156 convert3d (FromList vec3s) = makeBufferAndView $
157 BufferDesc bufferUsage (BufferDataVec3 vec3s)
158 -- 4d vectors
159 convert4d :: VertexData Vector4 -> Game RenderCoreState (BufferView Vector4)
160 convert4d (FromView view) = return view
161 convert4d (FromList vec4s) = makeBufferAndView $
162 BufferDesc bufferUsage (BufferDataVec4 vec4s)
163 -- U8
164 convertU8 :: VertexData Word8 -> Game RenderCoreState (BufferView Word8)
165 convertU8 (FromView view) = return view
166 convertU8 (FromList list) = makeBufferAndView
167 (BufferDesc BufferStatic (BufferDataU8 $ fromIntegral <$> list))
168 -- U16
169 convertU16 :: VertexData Word16 -> Game RenderCoreState (BufferView Word16)
170 convertU16 (FromView view) = return view
171 convertU16 (FromList list) = makeBufferAndView
172 (BufferDesc BufferStatic (BufferDataU16 $ fromIntegral <$> list))
173 -- Floats
174 convertFloat :: VertexData Float -> Game RenderCoreState (BufferView Float)
175 convertFloat (FromView view) = return view
176 convertFloat (FromList list) = makeBufferAndView
177 (BufferDesc BufferStatic (BufferDataFloat list))
178 -- Positions
179 convertPositions :: Positions -> Game RenderCoreState VertexPositions
180 convertPositions (Positions2d positions) = VertexPositions2d <$> convert2d positions
181 convertPositions (Positions3d positions) = VertexPositions3d <$> convert3d positions
182 -- Joints
183 convertJoints :: Indices -> Game RenderCoreState VertexJoints
184 convertJoints (IndicesU8 joints) = VertexJointsU8 <$> convertU8 joints
185 convertJoints (IndicesU16 joints) = VertexJointsU16 <$> convertU16 joints
186 -- Weights
187 convertWeights :: Weights -> Game RenderCoreState VertexWeights
188 convertWeights (WeightsU8 weights) = VertexWeightsU8 <$> convertU8 weights
189 convertWeights (WeightsU16 weights) = VertexWeightsU16 <$> convertU16 weights
190 convertWeights (WeightsFloat weights) = VertexWeightsFloat <$> convertFloat weights
191 -- Indices
192 convertIndices :: Indices -> Game RenderCoreState VertexIndices
193 convertIndices (IndicesU8 indices) = VertexIndicesU8 <$> convertU8 indices
194 convertIndices (IndicesU16 indices) = VertexIndicesU16 <$> convertU16 indices
195 in do
196 vertexPositions <- convertPositions (fromJust $ positions desc)
197 vertexNormals <- convert convert3d (normals desc)
198 vertexTangents <- convert convert4d (tangents desc)
199 vertexTexcoords <- convert convert4d (texcoords desc)
200 vertexJoints <- convert convertJoints (joints desc)
201 vertexWeights <- convert convertWeights (weights desc)
202 vertexIndices <- convert convertIndices (indices desc)
203 return $ GeometryData
204 vertexPositions
205 vertexNormals
206 vertexTangents
207 vertexTexcoords
208 vertexJoints
209 vertexWeights
210 vertexIndices
211 (numVerts desc)
212 (numIndices desc)
213 (primitiveType desc)
214
87deleteGeometry' :: GLenum -> IO () 215deleteGeometry' :: GLenum -> IO ()
88deleteGeometry' handle = alloca $ \ptr -> do 216deleteGeometry' handle = alloca $ \ptr -> do
89 poke ptr handle 217 poke ptr handle
90 glDeleteVertexArrays 1 ptr 218 glDeleteVertexArrays 1 ptr
91 219
92updateGeometry :: Geometry -> (GeometryDesc -> GeometryDesc) -> IO () 220updateGeometry :: Geometry -> (GeometryData -> GeometryData) -> IO ()
93updateGeometry geometry update = do 221updateGeometry geometry update = do
94 desc <- readIORef $ geometryDesc geometry 222 gdata <- readIORef $ geometryData geometry
95 writeIORef (geometryDesc geometry) (update desc) 223 writeIORef (geometryData geometry) (update gdata)
96 224
97renderIndexed :: BufferView a -> GLenum -> GLsizei -> GLenum -> IO () 225renderIndexed :: BufferView a -> GLenum -> GLsizei -> GLenum -> IO ()
98renderIndexed view mode numIndices indexElemSize = do 226renderIndexed view mode numIndices indexElemSize = do
@@ -100,29 +228,28 @@ renderIndexed view mode numIndices indexElemSize = do
100 glDrawElements mode numIndices GL_UNSIGNED_SHORT (unsafeCoerce $ bufferViewOffsetBytes view) 228 glDrawElements mode numIndices GL_UNSIGNED_SHORT (unsafeCoerce $ bufferViewOffsetBytes view)
101 glBindBuffer GL_ELEMENT_ARRAY_BUFFER 0 229 glBindBuffer GL_ELEMENT_ARRAY_BUFFER 0
102 230
103configureVertexAttributes :: GeometryDesc -> IO () 231configureVertexAttributes :: GeometryData -> IO ()
104configureVertexAttributes desc = do 232configureVertexAttributes gdata = do
105 case positions desc of 233 case vertexPositions gdata of
106 Just (Positions2d view) -> configureView view positionChannel 2 GL_FLOAT GL_FALSE 234 VertexPositions2d view -> configureView view positionChannel 2 GL_FLOAT GL_FALSE
107 Just (Positions3d view) -> configureView view positionChannel 3 GL_FLOAT GL_FALSE 235 VertexPositions3d view -> configureView view positionChannel 3 GL_FLOAT GL_FALSE
108 Nothing -> return () 236 case vertexNormals gdata of
109 case normals desc of
110 Just view -> configureView view normalChannel 3 GL_FLOAT GL_FALSE 237 Just view -> configureView view normalChannel 3 GL_FLOAT GL_FALSE
111 Nothing -> return () 238 Nothing -> return ()
112 case tangents desc of 239 case vertexTangents gdata of
113 Just view -> configureView view tangentChannel 4 GL_FLOAT GL_FALSE 240 Just view -> configureView view tangentChannel 4 GL_FLOAT GL_FALSE
114 Nothing -> return () 241 Nothing -> return ()
115 case texcoords desc of 242 case vertexTexcoords gdata of
116 Just view -> configureView view texcoordsChannel 2 GL_FLOAT GL_FALSE 243 Just view -> configureView view texcoordsChannel 2 GL_FLOAT GL_FALSE
117 Nothing -> return () 244 Nothing -> return ()
118 case joints desc of 245 case vertexJoints gdata of
119 Just (JointsU8 view) -> configureView view jointsChannel 4 GL_UNSIGNED_BYTE GL_FALSE 246 Just (VertexJointsU8 view) -> configureView view jointsChannel 4 GL_UNSIGNED_BYTE GL_FALSE
120 Just (JointsU16 view) -> configureView view jointsChannel 4 GL_UNSIGNED_SHORT GL_FALSE 247 Just (VertexJointsU16 view) -> configureView view jointsChannel 4 GL_UNSIGNED_SHORT GL_FALSE
121 Nothing -> return () 248 Nothing -> return ()
122 case weights desc of 249 case vertexWeights gdata of
123 Just (WeightsU8 view) -> configureView view weightsChannel 4 GL_UNSIGNED_BYTE GL_TRUE 250 Just (VertexWeightsU8 view) -> configureView view weightsChannel 4 GL_UNSIGNED_BYTE GL_TRUE
124 Just (WeightsU16 view) -> configureView view weightsChannel 4 GL_UNSIGNED_SHORT GL_TRUE 251 Just (VertexWeightsU16 view) -> configureView view weightsChannel 4 GL_UNSIGNED_SHORT GL_TRUE
125 Just (WeightsFloat view) -> configureView view weightsChannel 4 GL_FLOAT GL_FALSE 252 Just (VertexWeightsFloat view) -> configureView view weightsChannel 4 GL_FLOAT GL_FALSE
126 Nothing -> return () 253 Nothing -> return ()
127 254
128-- TODO: Add the assertion: 255-- TODO: Add the assertion:
diff --git a/Spear/Render/Core/State.hs b/Spear/Render/Core/State.hs
index 34b0732..f7e5627 100644
--- a/Spear/Render/Core/State.hs
+++ b/Spear/Render/Core/State.hs
@@ -11,15 +11,6 @@ import Graphics.GL.Core46
11 11
12 12
13 13
14data BufferType
15 = BufferUntyped
16 | Buffer2d
17 | Buffer3d
18 | Buffer4d
19 | BufferFloat
20 | BufferU8
21 | BufferU16
22
23data BufferUsage 14data BufferUsage
24 = BufferStatic 15 = BufferStatic
25 | BufferDynamic 16 | BufferDynamic
@@ -28,7 +19,6 @@ data BufferUsage
28data Buffer = Buffer 19data Buffer = Buffer
29 { bufferHandle :: GLuint 20 { bufferHandle :: GLuint
30 , bufferResource :: Resource 21 , bufferResource :: Resource
31 , bufferType :: BufferType
32 , bufferUsage :: BufferUsage 22 , bufferUsage :: BufferUsage
33 } 23 }
34 24
@@ -41,50 +31,49 @@ data BufferView a = BufferView
41 } 31 }
42 32
43 33
44data Positions 34data VertexPositions
45 = Positions2d (BufferView Vector2) 35 = VertexPositions2d (BufferView Vector2)
46 | Positions3d (BufferView Vector3) 36 | VertexPositions3d (BufferView Vector3)
47 37
48data Joints 38data VertexJoints
49 = JointsU8 (BufferView Word8) 39 = VertexJointsU8 (BufferView Word8)
50 | JointsU16 (BufferView Word16) 40 | VertexJointsU16 (BufferView Word16)
51 41
52data Weights 42data VertexWeights
53 = WeightsU8 (BufferView Word8) 43 = VertexWeightsU8 (BufferView Word8)
54 | WeightsU16 (BufferView Word16) 44 | VertexWeightsU16 (BufferView Word16)
55 | WeightsFloat (BufferView Float) 45 | VertexWeightsFloat (BufferView Float)
56 46
57data Indices 47data VertexIndices
58 = IndicesU8 (BufferView Word8) 48 = VertexIndicesU8 (BufferView Word8)
59 | IndicesU16 (BufferView Word16) 49 | VertexIndicesU16 (BufferView Word16)
60 50
61data PrimitiveType 51data PrimitiveType
62 = Triangles 52 = Triangles
63 | TriangleFan 53 | TriangleFan
64 | TriangleStrip 54 | TriangleStrip
65 55
66-- | A geometry descriptor. 56data GeometryData = GeometryData
67data GeometryDesc = GeometryDesc 57 { vertexPositions :: VertexPositions
68 { positions :: Maybe Positions -- Convenient for the empty descriptor. 58 , vertexNormals :: Maybe (BufferView Vector3)
69 , normals :: Maybe (BufferView Vector3) 59 , vertexTangents :: Maybe (BufferView Vector4)
70 , tangents :: Maybe (BufferView Vector4) 60 , vertexTexcoords :: Maybe (BufferView Vector4)
71 , texcoords :: Maybe (BufferView Vector4) 61 , vertexJoints :: Maybe VertexJoints
72 , joints :: Maybe Joints 62 , vertexWeights :: Maybe VertexWeights
73 , weights :: Maybe Weights 63 , vertexIndices :: Maybe VertexIndices
74 , indices :: Maybe Indices 64 , geometryNumVerts :: GLsizei
75 , numVerts :: GLsizei 65 , geometryNumIndices :: GLsizei
76 , numIndices :: GLsizei 66 , geometryPrimitiveType :: PrimitiveType
77 , primitiveType :: PrimitiveType
78 } 67 }
79 68
80-- | A piece of renderable geometry. 69-- | A piece of renderable geometry.
81-- 70--
82-- Since dynamic geometry can be mutated, the descriptor is stored as an IORef 71-- Since dynamic geometry can be mutated, the data is stored as an IORef so that
83-- so that its state cannot become stale after an update. 72-- its state cannot become stale after an update.
84data Geometry = Geometry 73data Geometry = Geometry
85 { geometryVao :: GLuint 74 { geometryVao :: GLuint
86 , geometryResource :: Resource 75 , geometryResource :: Resource
87 , geometryDesc :: IORef GeometryDesc 76 , geometryData :: IORef GeometryData
88 } 77 }
89 78
90 79
diff --git a/Spear/Render/Immediate.hs b/Spear/Render/Immediate.hs
index ca5d5c5..44fe7a6 100644
--- a/Spear/Render/Immediate.hs
+++ b/Spear/Render/Immediate.hs
@@ -54,13 +54,10 @@ newImmRenderer = do
54 (ShaderFromFile "/home/jeanne/src/gfx/gfx/shaders/immediate_mode.frag") [] 54 (ShaderFromFile "/home/jeanne/src/gfx/gfx/shaders/immediate_mode.frag") []
55 shader <- compileShaderProgram [vs, ps] 55 shader <- compileShaderProgram [vs, ps]
56 56
57 -- TODO: Make 'makeGeometry' easier to use. GeometryDesc should be able to
58 -- take (possibly empty) lists as inputs.
59 positions <- makeBufferAndView $
60 BufferDesc BufferDynamic Buffer3d BufferUninitialized
61 triangles <- makeGeometry $ newGeometryDesc 57 triangles <- makeGeometry $ newGeometryDesc
62 { positions = Just (Positions3d positions) 58 { positions = Just (Positions3d (FromList []))
63 , primitiveType = Triangles 59 , primitiveType = Triangles
60 , geometryUsage = GeometryDynamic
64 } 61 }
65 62
66 return ImmRenderState 63 return ImmRenderState
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 06:55:48 +0000