diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | chickadee/graphics/gl.scm | 386 | ||||
| -rw-r--r-- | chickadee/graphics/gpu.scm | 278 |
3 files changed, 276 insertions, 389 deletions
diff --git a/Makefile.am b/Makefile.am index 09eff46..b6d4ab2 100644 --- a/Makefile.am +++ b/Makefile.am @@ -66,7 +66,6 @@ SOURCES = \ chickadee/image.scm \ chickadee/image/jpeg.scm \ chickadee/image/png.scm \ - chickadee/graphics/gl.scm \ chickadee/graphics/gpu.scm \ chickadee/graphics/engine.scm \ chickadee/graphics/color.scm \ diff --git a/chickadee/graphics/gl.scm b/chickadee/graphics/gl.scm deleted file mode 100644 index 27872dd..0000000 --- a/chickadee/graphics/gl.scm +++ /dev/null @@ -1,386 +0,0 @@ -;;; Chickadee Game Toolkit -;;; Copyright © 2016, 2021 David Thompson <dthompson2@worcester.edu> -;;; -;;; Licensed under the Apache License, Version 2.0 (the "License"); -;;; you may not use this file except in compliance with the License. -;;; You may obtain a copy of the License at -;;; -;;; http://www.apache.org/licenses/LICENSE-2.0 -;;; -;;; Unless required by applicable law or agreed to in writing, software -;;; distributed under the License is distributed on an "AS IS" BASIS, -;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -;;; See the License for the specific language governing permissions and -;;; limitations under the License. - -;;; Commentary: -;; -;; Custom wrappers over low level OpenGL commands that aren't part of -;; guile-opengl. -;; -;;; Code: - -(define-module (chickadee graphics gl) - #:use-module (srfi srfi-4) - #:use-module ((system foreign) #:select (bytevector->pointer)) - #:use-module (gl) - #:use-module (gl runtime) - #:use-module ((gl low-level) #:renamer (symbol-prefix-proc '%)) - #:use-module (gl enums) - #:use-module (gl runtime) - #:use-module (gl types)) - -(re-export (%glClearColor . gl-clear-color) - (%glScissor . gl-scissor) - (%glBlendFunc . gl-blend-func) - (%glBlendEquation . gl-blend-equation)) - -;;; -;;; 3.8.1 Texture Image Specification -;;; - -(re-export (%glTexImage3D . gl-texture-image-3d) - (%glTexImage2D . gl-texture-image-2d) - (%glTexImage1D . gl-texture-image-1d)) - -;; For some reason, guile-opengl does not bind glGenerateMipmap, so we -;; have to do it ourselves. -(define-gl-procedure (glGenerateMipmap (target GLenum) -> void) - "Generate mipmaps for the texture attached to target of the active -texture unit.") - -(export (glGenerateMipmap . gl-generate-mipmap)) - -;;; -;;; 3.8.2 Alternate Texture Image Specification Commands -;;; - -(re-export (%glCopyTexImage2D . gl-copy-texture-image-2d) - (%glCopyTexImage1D . gl-copy-texture-image-1d) - (%glCopyTexSubImage3D . gl-copy-texture-sub-image-3d) - (%glCopyTexSubImage2D . gl-copy-texture-sub-image-2d) - (%glCopyTexSubImage1D . gl-copy-texture-sub-image-1d) - (%glTexSubImage3D . gl-texture-sub-image-3d) - (%glTexSubImage2D . gl-texture-sub-image-2d) - (%glTexSubImage1D . gl-texture-sub-image-1d)) - -;;; -;;; 3.8.3 Compressed Texture Images -;;; - -(re-export (%glCompressedTexImage1D . gl-compressed-texture-image-1d) - (%glCompressedTexImage2D . gl-compressed-texture-image-2d) - (%glCompressedTexImage3D . gl-compressed-texture-image-3d) - (%glCompressedTexSubImage1D . gl-compressed-texture-sub-image-1d) - (%glCompressedTexSubImage2D . gl-compressed-texture-sub-image-2d) - (%glCompressedTexSubImage3D . gl-compressed-texture-sub-image-3d)) - -;;; -;;; 3.8.4 Texture Parameters -;;; - -(re-export (%glTexParameteri . gl-texture-parameter) - (%glBindTexture . gl-bind-texture)) - -;;; -;;; 6.1.4 Texture Queries -;;; - -(re-export (%glGetTexImage . gl-get-tex-image)) - -;;; -;;; Instancing extension -;;; - -(define-gl-procedure (glDrawArraysInstanced (mode GLenum) - (first GLint) - (count GLsizei) - (primcount GLsizei) - -> void) - "Draw multiple instances of a set of arrays.") - -(define-gl-procedure (glDrawElementsInstanced (mode GLenum) - (count GLsizei) - (type GLenum) - (indices void-*) - (primcount GLsizei) - -> void) - "Draw multiple instances of a set of elements.") - -(define-gl-procedure (glVertexAttribDivisor (index GLuint) - (divisor GLuint) - -> void) - "Modify the rate at which generic vertex attributes advance during -instanced rendering.") - -(export (glDrawArraysInstanced . gl-draw-arrays-instanced) - (glDrawElementsInstanced . gl-draw-elements-instanced) - (glVertexAttribDivisor . gl-vertex-attrib-divisor)) - -;;; -;;; VBOs -;;; - -(re-export (%glBufferData . gl-buffer-data) - (%glBufferSubData . gl-buffer-sub-data) - (%glMapBuffer . gl-map-buffer) - (%glUnmapBuffer . gl-unmap-buffer)) - -;;; -;;; VAOs -;;; - -(define-gl-procedure (glGenVertexArrays (n GLsizei) - (arrays GLuint-*) - -> void) - "Generate N vertex arrays.") - -(define-gl-procedure (glDeleteVertexArrays (n GLsizei) - (arrays GLuint-*) - -> void) - "Delete vertex array objects.") - -(define (gl-generate-vertex-array) - (let ((bv (u32vector 0))) - (glGenVertexArrays 1 bv) - (u32vector-ref bv 0))) - -(define (gl-delete-vertex-array n) - (let ((bv (u32vector n))) - (glDeleteVertexArrays 1 bv))) - -(define-gl-procedure (glBindVertexArray (array GLuint) - -> void) - "Bind vertex array object ARRAY.") - -(define-gl-procedure (glEnableVertexAttribArray (index GLuint) - -> void) - "Enable or disable a generic vertex attribute array.") - -(define-gl-procedure (glVertexAttribPointer (index GLuint) - (size GLint) - (type GLenum) - (normalized GLboolean) - (stride GLsizei) - (pointer GLvoid-*) - -> void) - "Define an array of generic vertex attribute data.") - -(define-gl-procedure (glDrawElements (mode GLenum) - (count GLsizei) - (type GLenum) - (indices GLvoid-*) - -> void) - "Render primitives from array data.") - -(export gl-generate-vertex-array - gl-delete-vertex-array - (glBindVertexArray . gl-bind-vertex-array) - (glEnableVertexAttribArray . gl-enable-vertex-attrib-array) - (glVertexAttribPointer . gl-vertex-attrib-pointer) - (glDrawElements . gl-draw-elements)) - -(define-syntax-rule (with-gl-client-state state body ...) - (begin - (gl-enable-client-state state) - body ... - (gl-disable-client-state state))) - -(export with-gl-client-state) - -;;; -;;; Framebuffers -;;; - -(define-gl-procedure (glGenFramebuffers (n GLsizei) - (ids GLuint-*) - -> void) - "Generate framebuffer object names.") - -(define-gl-procedure (glDeleteFramebuffers (n GLsizei) - (framebuffers GLuint-*) - -> void) - "Delete framebuffer objects.") - -(define (gl-generate-framebuffer) - (let ((bv (u32vector 0))) - (glGenFramebuffers 1 bv) - (u32vector-ref bv 0))) - -(define (gl-delete-framebuffer n) - (let ((bv (u32vector n))) - (glDeleteFramebuffers 1 bv))) - -(define-gl-procedure (glBindFramebuffer (target GLenum) - (framebuffer GLuint) - -> void) - "Bind a framebuffer to a framebuffer target.") - -(define-gl-procedure (glFramebufferTexture2D (target GLenum) - (attachment GLenum) - (textarget GLenum) - (texture GLuint) - (level GLint) - -> void) - "Attach a level of a texture object as a logical buffer to the -currently bound framebuffer object.") - -(define-gl-procedure (glCheckFramebufferStatus (target GLenum) - -> GLenum) - "Return the framebuffer completeness status of a framebuffer -object.") - -(define-gl-procedure (glGenRenderbuffers (n GLsizei) - (ids GLuint-*) - -> void) - "Generate renderbuffer object names.") - -(define-gl-procedure (glDeleteRenderbuffers (n GLsizei) - (renderbuffers GLuint-*) - -> void) - "Delete renderbuffer objects.") - -(define (gl-generate-renderbuffer) - (let ((bv (u32vector 0))) - (glGenRenderbuffers 1 bv) - (u32vector-ref bv 0))) - -(define (gl-delete-renderbuffer n) - (let ((bv (u32vector n))) - (glDeleteRenderbuffers 1 bv))) - -(define-gl-procedure (glBindRenderbuffer (target GLenum) - (renderbuffer GLuint) - -> void) - "Bind a named renderbuffer object.") - -(define-gl-procedure (glRenderbufferStorage (target GLenum) - (internalformat GLenum) - (width GLsizei) - (height GLsizei) - -> void) - "Create and initialize a renderbuffer object's data store.") - -(define-gl-procedure (glFramebufferRenderbuffer (target GLenum) - (attachment GLenum) - (renderbuffertarget GLenum) - (renderbuffer GLuint) - -> void) - "Attach a renderbuffer object to a framebuffer object.") - -(export gl-generate-framebuffer - gl-delete-framebuffer - (glBindFramebuffer . gl-bind-framebuffer) - (glFramebufferTexture2D . gl-framebuffer-texture-2d) - (glCheckFramebufferStatus . gl-check-framebuffer-status) - gl-generate-renderbuffer - gl-delete-renderbuffer - (glBindRenderbuffer . gl-bind-renderbuffer) - (glRenderbufferStorage . gl-renderbuffer-storage) - (glFramebufferRenderbuffer . gl-framebuffer-renderbuffer)) - -(re-export (%glDrawBuffers . gl-draw-buffers)) - - -;;; -;;; Shaders -;;; - -(define-gl-procedure (glUniform1ui (location GLint) - (v0 GLuint) - -> void) - "Specify the value of a uniform variable for the current program object") - -(define-gl-procedure (glUniform1uiv (location GLint) - (count GLint) - (ptr GLvoid-*) - -> void) - "Specify the value of a uniform variable for the current program object") - -(export (glUniform1ui . gl-uniform1ui) - (glUniform1uiv . gl-uniform1uiv)) - -(re-export (%glUseProgram . gl-use-program) - (%glDeleteProgram . gl-delete-program) - (%glDetachShader . gl-detach-shader) - (%glLinkProgram . gl-link-program) - (%glBindAttribLocation . gl-bind-attrib-location) - (%glAttachShader . gl-attach-shader) - (%glGetAttribLocation . gl-get-attrib-location) - (%glGetUniformLocation . gl-get-uniform-location) - (%glCreateProgram . gl-create-program) - (%glGetProgramInfoLog . gl-get-program-info-log) - (%glGetProgramiv . gl-get-programiv) - (%glDeleteProgram . gl-delete-program) - (%glDeleteShader . gl-delete-shader) - (%glGetShaderiv . gl-get-shaderiv) - (%glGetShaderInfoLog . gl-get-shader-info-log) - (%glCompileShader . gl-compile-shader) - (%glShaderSource . gl-shader-source) - (%glCreateShader . gl-create-shader) - (%glGetActiveUniform . gl-get-active-uniform) - (%glGetActiveAttrib . gl-get-active-attrib) - (%glUniform1i . gl-uniform1i) - (%glUniform1iv . gl-uniform1iv) - (%glUniform2i . gl-uniform2i) - (%glUniform3i . gl-uniform3i) - (%glUniform4i . gl-uniform4i) - (%glUniform1f . gl-uniform1f) - (%glUniform1fv . gl-uniform1fv) - (%glUniform2f . gl-uniform2f) - (%glUniform2fv . gl-uniform2fv) - (%glUniform3f . gl-uniform3f) - (%glUniform3fv . gl-uniform3fv) - (%glUniform4f . gl-uniform4f) - (%glUniform4fv . gl-uniform4fv) - (%glUniformMatrix3fv . gl-uniform-matrix3fv) - (%glUniformMatrix4fv . gl-uniform-matrix4fv) - (%glUniform4f . gl-uniform4f)) - -(re-export (%glPointSize . gl-point-size)) - - -;;; -;;; Context Queries -;;; - -(re-export (%glGetString . gl-get-string) - (%glGetIntegerv . gl-get-integer-v)) - - -;;; -;;; Depth Buffer -;;; - -(re-export (%glDepthFunc . gl-depth-func) - (%glDepthMask . gl-depth-mask) - (%glDepthRange . gl-depth-range)) - - -;;; -;;; Stencil Buffer -;;; - -(re-export (%glStencilMask . gl-stencil-mask) - (%glStencilMaskSeparate . gl-stencil-mask-separate) - (%glStencilFunc . gl-stencil-func) - (%glStencilFuncSeparate . gl-stencil-func-separate) - (%glStencilOp . gl-stencil-op) - (%glStencilOpSeparate . gl-stencil-op-separate)) - - -;;; -;;; Other State Functions -;;; - -(re-export (%glPolygonMode . gl-polygon-mode) - (%glCullFace . gl-cull-face) - (%glFrontFace . gl-front-face) - (%glColorMask . gl-color-mask)) - - -;;; -;;; Errors -;;; - -(re-export (%glGetError . gl-get-error)) diff --git a/chickadee/graphics/gpu.scm b/chickadee/graphics/gpu.scm index 66d2c31..70cf5d8 100644 --- a/chickadee/graphics/gpu.scm +++ b/chickadee/graphics/gpu.scm @@ -21,14 +21,22 @@ (define-module (chickadee graphics gpu) #:use-module (chickadee graphics color) - #:use-module (chickadee graphics gl) #:use-module (chickadee math rect) #:use-module (gl) + #:use-module ((gl low-level) #:renamer (symbol-prefix-proc '%)) + #:use-module (gl runtime) + #:use-module (gl types) #:use-module (ice-9 match) #:use-module (rnrs bytevectors) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9) - #:use-module (system foreign) + #:use-module ((system foreign) + #:select (bytevector->pointer + pointer->bytevector + pointer->string + pointer-address + make-pointer + %null-pointer)) #:export (blend-mode? blend-mode-equation blend-mode-source-function @@ -246,6 +254,272 @@ ;;; +;;; Additional OpenGL wrappers +;;; + +(define gl-clear-color %glClearColor) +(define gl-scissor %glScissor) +(define gl-blend-func %glBlendFunc) +(define gl-blend-equation %glBlendEquation) +(define gl-texture-image-3d %glTexImage3D) +(define gl-texture-image-2d %glTexImage2D) +(define gl-texture-image-1d %glTexImage1D) +(define gl-copy-texture-image-2d %glCopyTexImage2D) +(define gl-copy-texture-image-1d %glCopyTexImage1D) +(define gl-copy-texture-sub-image-3d %glCopyTexSubImage3D) +(define gl-copy-texture-sub-image-2d %glCopyTexSubImage2D) +(define gl-copy-texture-sub-image-1d %glCopyTexSubImage1D) +(define gl-texture-sub-image-3d %glTexSubImage3D) +(define gl-texture-sub-image-2d %glTexSubImage2D) +(define gl-texture-sub-image-1d %glTexSubImage1D) +(define gl-compressed-texture-image-1d %glCompressedTexImage1D) +(define gl-compressed-texture-image-2d %glCompressedTexImage2D) +(define gl-compressed-texture-image-3d %glCompressedTexImage3D) +(define gl-compressed-texture-sub-image-1d %glCompressedTexSubImage1D) +(define gl-compressed-texture-sub-image-2d %glCompressedTexSubImage2D) +(define gl-compressed-texture-sub-image-3d %glCompressedTexSubImage3D) +(define gl-texture-parameter %glTexParameteri) +(define gl-bind-texture %glBindTexture) +(define gl-get-tex-image %glGetTexImage) +(define gl-buffer-data %glBufferData) +(define gl-buffer-sub-data %glBufferSubData) +(define gl-map-buffer %glMapBuffer) +(define gl-unmap-buffer %glUnmapBuffer) +(define gl-draw-buffers %glDrawBuffers) +(define gl-use-program %glUseProgram) +(define gl-delete-program %glDeleteProgram) +(define gl-detach-shader %glDetachShader) +(define gl-link-program %glLinkProgram) +(define gl-bind-attrib-location %glBindAttribLocation) +(define gl-attach-shader %glAttachShader) +(define gl-get-attrib-location %glGetAttribLocation) +(define gl-get-uniform-location %glGetUniformLocation) +(define gl-create-program %glCreateProgram) +(define gl-get-program-info-log %glGetProgramInfoLog) +(define gl-get-programiv %glGetProgramiv) +(define gl-delete-program %glDeleteProgram) +(define gl-delete-shader %glDeleteShader) +(define gl-get-shaderiv %glGetShaderiv) +(define gl-get-shader-info-log %glGetShaderInfoLog) +(define gl-compile-shader %glCompileShader) +(define gl-shader-source %glShaderSource) +(define gl-create-shader %glCreateShader) +(define gl-get-active-uniform %glGetActiveUniform) +(define gl-get-active-attrib %glGetActiveAttrib) +(define gl-uniform1i %glUniform1i) +(define gl-uniform1iv %glUniform1iv) +(define gl-uniform2i %glUniform2i) +(define gl-uniform3i %glUniform3i) +(define gl-uniform4i %glUniform4i) +(define gl-uniform1f %glUniform1f) +(define gl-uniform1fv %glUniform1fv) +(define gl-uniform2f %glUniform2f) +(define gl-uniform2fv %glUniform2fv) +(define gl-uniform3f %glUniform3f) +(define gl-uniform3fv %glUniform3fv) +(define gl-uniform4f %glUniform4f) +(define gl-uniform4fv %glUniform4fv) +(define gl-uniform-matrix3fv %glUniformMatrix3fv) +(define gl-uniform-matrix4fv %glUniformMatrix4fv) +(define gl-uniform4f %glUniform4f) +(define gl-point-size %glPointSize) +(define gl-get-string %glGetString) +(define gl-get-integer-v %glGetIntegerv) +(define gl-depth-func %glDepthFunc) +(define gl-depth-mask %glDepthMask) +(define gl-depth-range %glDepthRange) +(define gl-stencil-mask %glStencilMask) +(define gl-stencil-mask-separate %glStencilMaskSeparate) +(define gl-stencil-func %glStencilFunc) +(define gl-stencil-func-separate %glStencilFuncSeparate) +(define gl-stencil-op %glStencilOp) +(define gl-stencil-op-separate %glStencilOpSeparate) +(define gl-polygon-mode %glPolygonMode) +(define gl-cull-face %glCullFace) +(define gl-front-face %glFrontFace) +(define gl-color-mask %glColorMask) +(define gl-get-error %glGetError) + +(define-gl-procedure (glGenerateMipmap (target GLenum) -> void) + "Generate mipmaps for the texture attached to target of the active +texture unit.") + +(define-gl-procedure (glDrawArraysInstanced (mode GLenum) + (first GLint) + (count GLsizei) + (primcount GLsizei) + -> void) + "Draw multiple instances of a set of arrays.") + +(define-gl-procedure (glDrawElementsInstanced (mode GLenum) + (count GLsizei) + (type GLenum) + (indices void-*) + (primcount GLsizei) + -> void) + "Draw multiple instances of a set of elements.") + +(define-gl-procedure (glVertexAttribDivisor (index GLuint) + (divisor GLuint) + -> void) + "Modify the rate at which generic vertex attributes advance during +instanced rendering.") + +(define-gl-procedure (glGenVertexArrays (n GLsizei) + (arrays GLuint-*) + -> void) + "Generate N vertex arrays.") + +(define-gl-procedure (glDeleteVertexArrays (n GLsizei) + (arrays GLuint-*) + -> void) + "Delete vertex array objects.") + +(define-gl-procedure (glBindVertexArray (array GLuint) + -> void) + "Bind vertex array object ARRAY.") + +(define-gl-procedure (glEnableVertexAttribArray (index GLuint) + -> void) + "Enable or disable a generic vertex attribute array.") + +(define-gl-procedure (glVertexAttribPointer (index GLuint) + (size GLint) + (type GLenum) + (normalized GLboolean) + (stride GLsizei) + (pointer GLvoid-*) + -> void) + "Define an array of generic vertex attribute data.") + +(define-gl-procedure (glDrawElements (mode GLenum) + (count GLsizei) + (type GLenum) + (indices GLvoid-*) + -> void) + "Render primitives from array data.") + +(define-gl-procedure (glGenFramebuffers (n GLsizei) + (ids GLuint-*) + -> void) + "Generate framebuffer object names.") + +(define-gl-procedure (glDeleteFramebuffers (n GLsizei) + (framebuffers GLuint-*) + -> void) + "Delete framebuffer objects.") + +(define-gl-procedure (glBindFramebuffer (target GLenum) + (framebuffer GLuint) + -> void) + "Bind a framebuffer to a framebuffer target.") + +(define-gl-procedure (glFramebufferTexture2D (target GLenum) + (attachment GLenum) + (textarget GLenum) + (texture GLuint) + (level GLint) + -> void) + "Attach a level of a texture object as a logical buffer to the +currently bound framebuffer object.") + +(define-gl-procedure (glCheckFramebufferStatus (target GLenum) + -> GLenum) + "Return the framebuffer completeness status of a framebuffer +object.") + +(define-gl-procedure (glGenRenderbuffers (n GLsizei) + (ids GLuint-*) + -> void) + "Generate renderbuffer object names.") + +(define-gl-procedure (glDeleteRenderbuffers (n GLsizei) + (renderbuffers GLuint-*) + -> void) + "Delete renderbuffer objects.") + +(define-gl-procedure (glBindRenderbuffer (target GLenum) + (renderbuffer GLuint) + -> void) + "Bind a named renderbuffer object.") + +(define-gl-procedure (glRenderbufferStorage (target GLenum) + (internalformat GLenum) + (width GLsizei) + (height GLsizei) + -> void) + "Create and initialize a renderbuffer object's data store.") + +(define-gl-procedure (glFramebufferRenderbuffer (target GLenum) + (attachment GLenum) + (renderbuffertarget GLenum) + (renderbuffer GLuint) + -> void) + "Attach a renderbuffer object to a framebuffer object.") + +(define-gl-procedure (glUniform1ui (location GLint) + (v0 GLuint) + -> void) + "Specify the value of a uniform variable for the current program object") + +(define-gl-procedure (glUniform1uiv (location GLint) + (count GLint) + (ptr GLvoid-*) + -> void) + "Specify the value of a uniform variable for the current program object") + +(define gl-generate-mipmap glGenerateMipmap) +(define gl-draw-arrays-instanced glDrawArraysInstanced) +(define gl-draw-elements-instanced glDrawElementsInstanced) +(define gl-vertex-attrib-divisor glVertexAttribDivisor) +(define gl-gen-vertex-arrays glGenVertexArrays) +(define gl-delete-vertex-arrays glDeleteVertexArrays) +(define gl-bind-vertex-array glBindVertexArray) +(define gl-enable-vertex-attrib-array glEnableVertexAttribArray) +(define gl-vertex-attrib-pointer glVertexAttribPointer) +(define gl-draw-elements glDrawElements) +(define gl-gen-framebuffers glGenFramebuffers) +(define gl-delete-framebuffer glDeleteFramebuffers) +(define gl-bind-framebuffer glBindFramebuffer) +(define gl-framebuffer-texture-2d glFramebufferTexture2D) +(define gl-check-framebuffer-status glCheckFramebufferStatus) +(define gl-gen-renderbuffers glGenRenderbuffers) +(define gl-delete-renderbuffers glDeleteRenderbuffers) +(define gl-bind-renderbuffer glBindRenderbuffer) +(define gl-renderbuffer-storage glRenderbufferStorage) +(define gl-framebuffer-renderbuffer glFramebufferRenderbuffer) +(define gl-uniform1ui glUniform1ui) +(define gl-uniform1uiv glUniform1uiv) + +(define (gl-generate-vertex-array) + (let ((bv (u32vector 0))) + (glGenVertexArrays 1 bv) + (u32vector-ref bv 0))) + +(define (gl-delete-vertex-array n) + (let ((bv (u32vector n))) + (glDeleteVertexArrays 1 bv))) + +(define (gl-generate-framebuffer) + (let ((bv (u32vector 0))) + (glGenFramebuffers 1 bv) + (u32vector-ref bv 0))) + +(define (gl-delete-framebuffer n) + (let ((bv (u32vector n))) + (glDeleteFramebuffers 1 bv))) + +(define (gl-generate-renderbuffer) + (let ((bv (u32vector 0))) + (glGenRenderbuffers 1 bv) + (u32vector-ref bv 0))) + +(define (gl-delete-renderbuffer n) + (let ((bv (u32vector n))) + (glDeleteRenderbuffers 1 bv))) + + +;;; ;;; GPU settings ;;; |