mirror of
https://github.com/Ed94/Odin.git
synced 2026-06-13 09:22:22 -07:00
Sébastien Marie
386 lines
26 KiB
Odin
386 lines
26 KiB
Odin
package raylib
|
|
|
|
import "core:c"
|
|
|
|
when ODIN_OS == .Windows {
|
|
foreign import lib {
|
|
"raylib.lib",
|
|
"system:Winmm.lib",
|
|
"system:Gdi32.lib",
|
|
"system:User32.lib",
|
|
"system:Shell32.lib",
|
|
}
|
|
} else when ODIN_OS == .Linux {
|
|
foreign import lib "linux/libraylib.a"
|
|
} else when ODIN_OS == .Darwin {
|
|
foreign import lib "macos/libraylib.a"
|
|
} else {
|
|
foreign import lib "system:raylib"
|
|
}
|
|
|
|
GRAPHICS_API_OPENGL_11 :: false
|
|
GRAPHICS_API_OPENGL_21 :: true
|
|
GRAPHICS_API_OPENGL_33 :: GRAPHICS_API_OPENGL_21
|
|
GRAPHICS_API_OPENGL_ES2 :: false
|
|
GRAPHICS_API_OPENGL_43 :: false
|
|
|
|
when !GRAPHICS_API_OPENGL_ES2 {
|
|
// This is the maximum amount of elements (quads) per batch
|
|
// NOTE: Be careful with text, every letter maps to a quad
|
|
DEFAULT_BATCH_BUFFER_ELEMENTS :: 8192
|
|
} else {
|
|
// We reduce memory sizes for embedded systems (RPI and HTML5)
|
|
// NOTE: On HTML5 (emscripten) this is allocated on heap,
|
|
// by default it's only 16MB!...just take care...
|
|
DEFAULT_BATCH_BUFFER_ELEMENTS :: 2048
|
|
}
|
|
|
|
DEFAULT_BATCH_BUFFERS :: 1 // Default number of batch buffers (multi-buffering)
|
|
DEFAULT_BATCH_DRAWCALLS :: 256 // Default number of batch draw calls (by state changes: mode, texture)
|
|
MAX_BATCH_ACTIVE_TEXTURES :: 4 // Maximum number of additional textures that can be activated on batch drawing (SetShaderValueTexture())
|
|
|
|
// Internal Matrix stack
|
|
MAX_MATRIX_STACK_SIZE :: 32 // Maximum size of Matrix stack
|
|
|
|
// Shader limits
|
|
MAX_SHADER_LOCATIONS :: 32 // Maximum number of shader locations supported
|
|
|
|
// Projection matrix culling
|
|
RL_CULL_DISTANCE_NEAR :: 0.01 // Default near cull distance
|
|
RL_CULL_DISTANCE_FAR :: 1000.0 // Default far cull distance
|
|
|
|
// Texture parameters (equivalent to OpenGL defines)
|
|
RL_TEXTURE_WRAP_S :: 0x2802 // GL_TEXTURE_WRAP_S
|
|
RL_TEXTURE_WRAP_T :: 0x2803 // GL_TEXTURE_WRAP_T
|
|
RL_TEXTURE_MAG_FILTER :: 0x2800 // GL_TEXTURE_MAG_FILTER
|
|
RL_TEXTURE_MIN_FILTER :: 0x2801 // GL_TEXTURE_MIN_FILTER
|
|
|
|
RL_TEXTURE_FILTER_NEAREST :: 0x2600 // GL_NEAREST
|
|
RL_TEXTURE_FILTER_LINEAR :: 0x2601 // GL_LINEAR
|
|
RL_TEXTURE_FILTER_MIP_NEAREST :: 0x2700 // GL_NEAREST_MIPMAP_NEAREST
|
|
RL_TEXTURE_FILTER_NEAREST_MIP_LINEAR :: 0x2702 // GL_NEAREST_MIPMAP_LINEAR
|
|
RL_TEXTURE_FILTER_LINEAR_MIP_NEAREST :: 0x2701 // GL_LINEAR_MIPMAP_NEAREST
|
|
RL_TEXTURE_FILTER_MIP_LINEAR :: 0x2703 // GL_LINEAR_MIPMAP_LINEAR
|
|
RL_TEXTURE_FILTER_ANISOTROPIC :: 0x3000 // Anisotropic filter (custom identifier)
|
|
|
|
RL_TEXTURE_WRAP_REPEAT :: 0x2901 // GL_REPEAT
|
|
RL_TEXTURE_WRAP_CLAMP :: 0x812F // GL_CLAMP_TO_EDGE
|
|
RL_TEXTURE_WRAP_MIRROR_REPEAT :: 0x8370 // GL_MIRRORED_REPEAT
|
|
RL_TEXTURE_WRAP_MIRROR_CLAMP :: 0x8742 // GL_MIRROR_CLAMP_EXT
|
|
|
|
// Matrix modes (equivalent to OpenGL)
|
|
RL_MODELVIEW :: 0x1700 // GL_MODELVIEW
|
|
RL_PROJECTION :: 0x1701 // GL_PROJECTION
|
|
RL_TEXTURE :: 0x1702 // GL_TEXTURE
|
|
|
|
// Primitive assembly draw modes
|
|
RL_LINES :: 0x0001 // GL_LINES
|
|
RL_TRIANGLES :: 0x0004 // GL_TRIANGLES
|
|
RL_QUADS :: 0x0007 // GL_QUADS
|
|
|
|
// GL equivalent data types
|
|
RL_UNSIGNED_BYTE :: 0x1401 // GL_UNSIGNED_BYTE
|
|
RL_FLOAT :: 0x1406 // GL_FLOAT
|
|
|
|
// Buffer usage hint
|
|
RL_STREAM_DRAW :: 0x88E0 // GL_STREAM_DRAW
|
|
RL_STREAM_READ :: 0x88E1 // GL_STREAM_READ
|
|
RL_STREAM_COPY :: 0x88E2 // GL_STREAM_COPY
|
|
RL_STATIC_DRAW :: 0x88E4 // GL_STATIC_DRAW
|
|
RL_STATIC_READ :: 0x88E5 // GL_STATIC_READ
|
|
RL_STATIC_COPY :: 0x88E6 // GL_STATIC_COPY
|
|
RL_DYNAMIC_DRAW :: 0x88E8 // GL_DYNAMIC_DRAW
|
|
RL_DYNAMIC_READ :: 0x88E9 // GL_DYNAMIC_READ
|
|
RL_DYNAMIC_COPY :: 0x88EA // GL_DYNAMIC_COPY
|
|
|
|
// GL Shader type
|
|
RL_FRAGMENT_SHADER :: 0x8B30 // GL_FRAGMENT_SHADER
|
|
RL_VERTEX_SHADER :: 0x8B31 // GL_VERTEX_SHADER
|
|
RL_COMPUTE_SHADER :: 0x91B9 // GL_COMPUTE_SHADER
|
|
|
|
|
|
//----------------------------------------------------------------------------------
|
|
// Types and Structures Definition
|
|
//----------------------------------------------------------------------------------
|
|
GlVersion :: enum c.int { OPENGL_11 = 1, OPENGL_21, OPENGL_33, OPENGL_ES_20 }
|
|
|
|
FramebufferAttachType :: enum c. int {
|
|
COLOR_CHANNEL0 = 0,
|
|
COLOR_CHANNEL1,
|
|
COLOR_CHANNEL2,
|
|
COLOR_CHANNEL3,
|
|
COLOR_CHANNEL4,
|
|
COLOR_CHANNEL5,
|
|
COLOR_CHANNEL6,
|
|
COLOR_CHANNEL7,
|
|
DEPTH = 100,
|
|
STENCIL = 200,
|
|
}
|
|
|
|
FramebufferAttachTextureType :: enum c.int {
|
|
CUBEMAP_POSITIVE_X = 0,
|
|
CUBEMAP_NEGATIVE_X,
|
|
CUBEMAP_POSITIVE_Y,
|
|
CUBEMAP_NEGATIVE_Y,
|
|
CUBEMAP_POSITIVE_Z,
|
|
CUBEMAP_NEGATIVE_Z,
|
|
TEXTURE2D = 100,
|
|
RENDERBUFFER = 200,
|
|
}
|
|
|
|
VertexBufferIndexType :: c.ushort when GRAPHICS_API_OPENGL_ES2 else c.uint
|
|
|
|
// Dynamic vertex buffers (position + texcoords + colors + indices arrays)
|
|
VertexBuffer :: struct {
|
|
elementsCount: c.int, // Number of elements in the buffer (QUADS)
|
|
|
|
vCounter: c.int, // Vertex position counter to process (and draw) from full buffer
|
|
tcCounter: c.int, // Vertex texcoord counter to process (and draw) from full buffer
|
|
cCounter: c.int, // Vertex color counter to process (and draw) from full buffer
|
|
|
|
vertices: [^]f32, // Vertex position (XYZ - 3 components per vertex) (shader-location = 0)
|
|
texcoords: [^]f32, // Vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1)
|
|
colors: [^]u8, // Vertex colors (RGBA - 4 components per vertex) (shader-location = 3)
|
|
indices: [^]VertexBufferIndexType, // Vertex indices (in case vertex data comes indexed) (6 indices per quad)
|
|
vaoId: u32, // OpenGL Vertex Array Object id
|
|
vboId: [4]u32, // OpenGL Vertex Buffer Objects id (4 types of vertex data)
|
|
}
|
|
|
|
// Draw call type
|
|
// NOTE: Only texture changes register a new draw, other state-change-related elements are not
|
|
// used at this moment (vaoId, shaderId, matrices), raylib just forces a batch draw call if any
|
|
// of those state-change happens (this is done in core module)
|
|
DrawCall :: struct {
|
|
mode: c.int, // Drawing mode: LINES, TRIANGLES, QUADS
|
|
vertexCount: c.int, // Number of vertex of the draw
|
|
vertexAlignment: c.int, // Number of vertex required for index alignment (LINES, TRIANGLES)
|
|
//vaoId: u32, // Vertex array id to be used on the draw -> Using RLGL.currentBatch->vertexBuffer.vaoId
|
|
//shaderId: u32, // Shader id to be used on the draw -> Using RLGL.currentShader.id
|
|
textureId: u32, // Texture id to be used on the draw -> Use to create new draw call if changes
|
|
|
|
//projection: Matrix, // Projection matrix for this draw -> Using RLGL.projection by default
|
|
//modelview: Matrix, // Modelview matrix for this draw -> Using RLGL.modelview by default
|
|
}
|
|
|
|
// RenderBatch type
|
|
RenderBatch :: struct {
|
|
buffersCount: c.int, // Number of vertex buffers (multi-buffering support)
|
|
currentBuffer: c.int, // Current buffer tracking in case of multi-buffering
|
|
vertexBuffer: [^]VertexBuffer, // Dynamic buffer(s) for vertex data
|
|
|
|
draws: [^]DrawCall, // Draw calls array, depends on textureId
|
|
drawsCounter: c.int, // Draw calls counter
|
|
currentDepth: f32, // Current depth value for next draw
|
|
}
|
|
|
|
// Shader attribute data types
|
|
ShaderAttributeDataType :: enum c.int {
|
|
FLOAT = 0,
|
|
VEC2,
|
|
VEC3,
|
|
VEC4,
|
|
}
|
|
|
|
@(default_calling_convention="c")
|
|
foreign lib {
|
|
//------------------------------------------------------------------------------------
|
|
// Functions Declaration - Matrix operations
|
|
//------------------------------------------------------------------------------------
|
|
rlMatrixMode :: proc(mode: c.int) --- // Choose the current matrix to be transformed
|
|
rlPushMatrix :: proc() --- // Push the current matrix to stack
|
|
rlPopMatrix :: proc() --- // Pop lattest inserted matrix from stack
|
|
rlLoadIdentity :: proc() --- // Reset current matrix to identity matrix
|
|
rlTranslatef :: proc(x, y, z: f32) --- // Multiply the current matrix by a translation matrix
|
|
rlRotatef :: proc(angleDeg: f32, x, y, z: f32) --- // Multiply the current matrix by a rotation matrix
|
|
rlScalef :: proc(x, y, z: f32) --- // Multiply the current matrix by a scaling matrix
|
|
rlMultMatrixf :: proc(matf: [^]f32) --- // Multiply the current matrix by another matrix
|
|
rlFrustum :: proc(left, right, bottom, top, znear, zfar: f64) ---
|
|
rlOrtho :: proc(left, right, bottom, top, znear, zfar: f64) ---
|
|
rlViewport :: proc(x, y, width, height: c.int) --- // Set the viewport area
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Functions Declaration - Vertex level operations
|
|
//------------------------------------------------------------------------------------
|
|
rlBegin :: proc(mode: c.int) --- // Initialize drawing mode (how to organize vertex)
|
|
rlEnd :: proc() --- // Finish vertex providing
|
|
rlVertex2i :: proc(x, y: c.int) --- // Define one vertex (position) - 2 int
|
|
rlVertex2f :: proc(x, y: f32) --- // Define one vertex (position) - 2 f32
|
|
rlVertex3f :: proc(x, y, z: f32) --- // Define one vertex (position) - 3 f32
|
|
rlTexCoord2f :: proc(x, y: f32) --- // Define one vertex (texture coordinate) - 2 f32
|
|
rlNormal3f :: proc(x, y, z: f32) --- // Define one vertex (normal) - 3 f32
|
|
rlColor4ub :: proc(r, g, b, a: u8) --- // Define one vertex (color) - 4 byte
|
|
rlColor3f :: proc(x, y, z: f32) --- // Define one vertex (color) - 3 f32
|
|
rlColor4f :: proc(x, y, z, w: f32) --- // Define one vertex (color) - 4 f32
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Functions Declaration - OpenGL style functions (common to 1.1, 3.3+, ES2)
|
|
// NOTE: This functions are used to completely abstract raylib code from OpenGL layer,
|
|
// some of them are direct wrappers over OpenGL calls, some others are custom
|
|
//------------------------------------------------------------------------------------
|
|
|
|
// Vertex buffers state
|
|
rlEnableVertexArray :: proc(vaoId: u32) -> bool --- // Enable vertex array (VAO, if supported)
|
|
rlDisableVertexArray :: proc() --- // Disable vertex array (VAO, if supported)
|
|
rlEnableVertexBuffer :: proc(id: u32) --- // Enable vertex buffer (VBO)
|
|
rlDisableVertexBuffer :: proc() --- // Disable vertex buffer (VBO)
|
|
rlEnableVertexBufferElement :: proc(id: u32) --- // Enable vertex buffer element (VBO element)
|
|
rlDisableVertexBufferElement :: proc() --- // Disable vertex buffer element (VBO element)
|
|
rlEnableVertexAttribute :: proc(index: u32) --- // Enable vertex attribute index
|
|
rlDisableVertexAttribute :: proc(index: u32) --- // Disable vertex attribute index
|
|
when GRAPHICS_API_OPENGL_11 {
|
|
rlEnableStatePointer :: proc(vertexAttribType: c.int, buffer: rawptr) ---
|
|
rlDisableStatePointer :: proc(vertexAttribType: c.int) ---
|
|
}
|
|
|
|
// Textures state
|
|
rlActiveTextureSlot :: proc(slot: c.int) --- // Select and active a texture slot
|
|
rlEnableTexture :: proc(id: u32) --- // Enable texture
|
|
rlDisableTexture :: proc() --- // Disable texture
|
|
rlEnableTextureCubemap :: proc(id: u32) --- // Enable texture cubemap
|
|
rlDisableTextureCubemap :: proc() --- // Disable texture cubemap
|
|
rlTextureParameters :: proc(id: u32, param: c.int, value: c.int) --- // Set texture parameters (filter, wrap)
|
|
|
|
// Shader state
|
|
rlEnableShader :: proc(id: u32) --- // Enable shader program
|
|
rlDisableShader :: proc() --- // Disable shader program
|
|
|
|
// Framebuffer state
|
|
rlEnableFramebuffer :: proc(id: u32) --- // Enable render texture (fbo)
|
|
rlDisableFramebuffer :: proc() --- // Disable render texture (fbo), return to default framebuffer
|
|
rlActiveDrawBuffers :: proc(count: c.int) --- // Activate multiple draw color buffers
|
|
|
|
// General render state
|
|
rlEnableColorBlend :: proc() --- // Enable color blending
|
|
rlDisableColorBlend :: proc() --- // Disable color blending
|
|
rlEnableDepthTest :: proc() --- // Enable depth test
|
|
rlDisableDepthTest :: proc() --- // Disable depth test
|
|
rlEnableDepthMask :: proc() --- // Enable depth write
|
|
rlDisableDepthMask :: proc() --- // Disable depth write
|
|
rlEnableBackfaceCulling :: proc() --- // Enable backface culling
|
|
rlDisableBackfaceCulling :: proc() --- // Disable backface culling
|
|
rlEnableScissorTest :: proc() --- // Enable scissor test
|
|
rlDisableScissorTest :: proc() --- // Disable scissor test
|
|
rlScissor :: proc(x, y, width, height: c.int) --- // Scissor test
|
|
rlEnableWireMode :: proc() --- // Enable wire mode
|
|
rlDisableWireMode :: proc() --- // Disable wire mode
|
|
rlSetLineWidth :: proc(width: f32) --- // Set the line drawing width
|
|
rlGetLineWidth :: proc() -> f32 --- // Get the line drawing width
|
|
rlEnableSmoothLines :: proc() --- // Enable line aliasing
|
|
rlDisableSmoothLines :: proc() --- // Disable line aliasing
|
|
rlEnableStereoRender :: proc() --- // Enable stereo rendering
|
|
rlDisableStereoRender :: proc() --- // Disable stereo rendering
|
|
rlIsStereoRenderEnabled :: proc() -> bool --- // Check if stereo render is enabled
|
|
|
|
rlClearColor :: proc(r, g, b, a: u8) --- // Clear color buffer with color
|
|
rlClearScreenBuffers :: proc() --- // Clear used screen buffers (color and depth)
|
|
rlCheckErrors :: proc() --- // Check and log OpenGL error codes
|
|
rlSetBlendMode :: proc(mode: c.int) --- // Set blending mode
|
|
rlSetBlendFactors :: proc(glSrcFactor, glDstFactor, glEquation: c.int) --- // Set blending mode factor and equation (using OpenGL factors)
|
|
|
|
//------------------------------------------------------------------------------------
|
|
// Functions Declaration - rlgl functionality
|
|
//------------------------------------------------------------------------------------
|
|
// rlgl initialization functions
|
|
rlglInit :: proc(width, height: c.int) --- // Initialize rlgl (buffers, shaders, textures, states)
|
|
rlglClose :: proc() --- // De-inititialize rlgl (buffers, shaders, textures)
|
|
rlLoadExtensions :: proc(loader: rawptr) --- // Load OpenGL extensions (loader function pointer required)
|
|
rlGetVersion :: proc() -> GlVersion --- // Returns current OpenGL version
|
|
rlGetFramebufferWidth :: proc() -> c.int --- // Get default framebuffer width
|
|
rlGetFramebufferHeight :: proc() -> c.int --- // Get default framebuffer height
|
|
|
|
rlGetTextureIdDefault :: proc() -> u32 --- // Get default texture id
|
|
rlGetShaderIdDefault :: proc() -> u32 --- // Get default shader id
|
|
rlGetShaderLocsDefault :: proc() -> [^]i32 --- // Get default shader locations
|
|
|
|
// Render batch management
|
|
// NOTE: rlgl provides a default render batch to behave like OpenGL 1.1 immediate mode
|
|
// but this render batch API is exposed in case of custom batches are required
|
|
rlLoadRenderBatch :: proc(numBuffers, bufferElements: c.int) -> RenderBatch --- // Load a render batch system
|
|
rlUnloadRenderBatch :: proc(batch: RenderBatch) --- // Unload render batch system
|
|
rlDrawRenderBatch :: proc(batch: ^RenderBatch) --- // Draw render batch data (Update->Draw->Reset)
|
|
rlSetRenderBatchActive :: proc(batch: ^RenderBatch) --- // Set the active render batch for rlgl (NULL for default internal)
|
|
rlDrawRenderBatchActive :: proc() --- // Update and draw internal render batch
|
|
rlCheckRenderBatchLimit :: proc(vCount: c.int) -> bool --- // Check internal buffer overflow for a given number of vertex
|
|
rlSetTexture :: proc(id: u32) --- // Set current texture for render batch and check buffers limits
|
|
|
|
//------------------------------------------------------------------------------------------------------------------------
|
|
|
|
// Vertex buffers management
|
|
rlLoadVertexArray :: proc() -> u32 --- // Load vertex array (vao) if supported
|
|
rlLoadVertexBuffer :: proc(buffer: rawptr, size: c.int, is_dynamic: bool) -> u32 --- // Load a vertex buffer attribute
|
|
rlLoadVertexBufferElement :: proc(buffer: rawptr, size: c.int, is_dynamic: bool) -> u32 --- // Load a new attributes element buffer
|
|
rlUpdateVertexBuffer :: proc(bufferId: c.int, data: rawptr, dataSize: c.int, offset: c.int) -> u32 --- // Update GPU buffer with new data
|
|
rlUnloadVertexArray :: proc(vaoId: u32) ---
|
|
rlUnloadVertexBuffer :: proc(vboId: u32) ---
|
|
rlSetVertexAttribute :: proc(index: u32, compSize: c.int, type: c.int, normalized: bool, stride: c.int, pointer: uintptr) ---
|
|
rlSetVertexAttributeDivisor :: proc(index: u32, divisor: c.int) ---
|
|
rlSetVertexAttributeDefault :: proc(locIndex: c.int, value: rawptr, attribType: c.int, count: c.int) --- // Set vertex attribute default value
|
|
rlDrawVertexArray :: proc(offset: c.int, count: c.int) ---
|
|
rlDrawVertexArrayElements :: proc(offset: c.int, count: c.int, buffer: rawptr) ---
|
|
rlDrawVertexArrayInstanced :: proc(offset: c.int, count: c.int, instances: c.int) ---
|
|
rlDrawVertexArrayElementsInstanced :: proc(offset: c.int, count: c.int, buffer: rawptr, instances: c.int) ---
|
|
|
|
// Textures management
|
|
rlLoadTexture :: proc(data: rawptr, width, height: c.int, format: c.int, mipmapCount: c.int) -> u32 --- // Load texture in GPU
|
|
rlLoadTextureDepth :: proc(width, height: c.int, useRenderBuffer: bool) -> u32 --- // Load depth texture/renderbuffer (to be attached to fbo)
|
|
rlLoadTextureCubemap :: proc(data: rawptr, size: c.int, format: c.int) -> u32 --- // Load texture cubemap
|
|
rlUpdateTexture :: proc(id: u32, offsetX, offsetY, width, height: c.int, format: c.int, data: rawptr) --- // Update GPU texture with new data
|
|
rlGetGlTextureFormats :: proc(format: c.int, glInternalFormat: ^u32, glFormat: ^u32, glType: ^u32) --- // Get OpenGL internal formats
|
|
rlGetPixelFormatName :: proc(format: PixelFormat) -> cstring --- // Get name string for pixel format
|
|
rlUnloadTexture :: proc(id: u32) --- // Unload texture from GPU memory
|
|
rlGenerateMipmaps :: proc(texture: ^Texture2D) --- // Generate mipmap data for selected texture
|
|
rlReadTexturePixels :: proc(texture: Texture2D) -> rawptr --- // Read texture pixel data
|
|
rlReadScreenPixels :: proc(width, height: c.int) -> [^]u8 --- // Read screen pixel data (color buffer)
|
|
|
|
// Framebuffer management (fbo)
|
|
rlLoadFramebuffer :: proc(width, height: c.int) -> u32 --- // Load an empty framebuffer
|
|
rlFramebufferAttach :: proc(fboId: u32, texId: u32, attachType: c.int, texType: c.int, mipLevel: c.int) --- // Attach texture/renderbuffer to a framebuffer
|
|
rlFramebufferComplete :: proc(id: u32) -> bool --- // Verify framebuffer is complete
|
|
rlUnloadFramebuffer :: proc(id: u32) --- // Delete framebuffer from GPU
|
|
|
|
// Shaders management
|
|
rlLoadShaderCode :: proc(vsCode, fsCode: cstring) -> u32 --- // Load shader from code strings
|
|
rlCompileShader :: proc(shaderCode: cstring, type: c.int) -> u32 --- // Compile custom shader and return shader id (type: GL_VERTEX_SHADER, GL_FRAGMENT_SHADER)
|
|
rlLoadShaderProgram :: proc(vShaderId, fShaderId: u32) -> u32 --- // Load custom shader program
|
|
rlUnloadShaderProgram :: proc(id: u32) --- // Unload shader program
|
|
rlGetLocationUniform :: proc(shaderId: u32, uniformName: cstring) -> c.int --- // Get shader location uniform
|
|
rlGetLocationAttrib :: proc(shaderId: u32, attribName: cstring) -> c.int --- // Get shader location attribute
|
|
rlSetUniform :: proc(locIndex: c.int, value: rawptr, uniformType: c.int, count: c.int) --- // Set shader value uniform
|
|
rlSetUniformMatrix :: proc(locIndex: c.int, mat: Matrix) --- // Set shader value matrix
|
|
rlSetUniformSampler :: proc(locIndex: c.int, textureId: u32) --- // Set shader value sampler
|
|
rlSetShader :: proc(shader: Shader) --- // Set shader currently active
|
|
|
|
// Compute shader management
|
|
rlLoadComputeShaderProgram :: proc(shaderId: u32) -> u32 --- // Load compute shader program
|
|
rlComputeShaderDispatch :: proc(groupX, groupY, groupZ: u32) --- // Dispatch compute shader (equivalent to *draw* for graphics pilepine)
|
|
|
|
|
|
// Shader buffer storage object management (ssbo)
|
|
rlLoadShaderBuffer :: proc(size: u64, data: rawptr, usageHint: c.int) -> u32 --- // Load shader storage buffer object (SSBO)
|
|
rlUnloadShaderBuffer :: proc(ssboId: u32) --- // Unload shader storage buffer object (SSBO)
|
|
rlUpdateShaderBufferElements :: proc(id: u32, data: rawptr, dataSize: u64, offset: u64) --- // Update SSBO buffer data
|
|
rlGetShaderBufferSize :: proc(id: u32) -> u64 --- // Get SSBO buffer size
|
|
rlReadShaderBufferElements :: proc(id: u32, dest: rawptr, count: u64, offset: u64) --- // Bind SSBO buffer
|
|
rlBindShaderBuffer :: proc(id: u32, index: u32) --- // Copy SSBO buffer data
|
|
|
|
// Buffer management
|
|
rlCopyBuffersElements :: proc(destId, srcId: u32, destOffset, srcOffset: u64, count: u64) --- // Copy SSBO buffer data
|
|
rlBindImageTexture :: proc(id: u32, index: u32, format: u32, readonly: b32) --- // Bind image texture
|
|
|
|
|
|
// Matrix state management
|
|
rlGetMatrixModelview :: proc() -> Matrix --- // Get internal modelview matrix
|
|
rlGetMatrixProjection :: proc() -> Matrix --- // Get internal projection matrix
|
|
rlGetMatrixTransform :: proc() -> Matrix --- // Get internal accumulated transform matrix
|
|
rlGetMatrixProjectionStereo :: proc(eye: c.int) -> Matrix --- // Get internal projection matrix for stereo render (selected eye)
|
|
rlGetMatrixViewOffsetStereo :: proc(eye: c.int) -> Matrix --- // Get internal view offset matrix for stereo render (selected eye)
|
|
rlSetMatrixProjection :: proc(proj: Matrix) --- // Set a custom projection matrix (replaces internal projection matrix)
|
|
rlSetMatrixModelview :: proc(view: Matrix) --- // Set a custom modelview matrix (replaces internal modelview matrix)
|
|
rlSetMatrixProjectionStereo :: proc(right, left: Matrix) --- // Set eyes projection matrices for stereo rendering
|
|
rlSetMatrixViewOffsetStereo :: proc(right, left: Matrix) --- // Set eyes view offsets matrices for stereo rendering
|
|
|
|
// Quick and dirty cube/quad buffers load->draw->unload
|
|
rlLoadDrawCube :: proc() --- // Load and draw a cube
|
|
rlLoadDrawQuad :: proc() --- // Load and draw a quad
|
|
}
|