X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fvideo.scm;h=c01341243a3d94a1e00772d2ea2b584634ea9932;hb=efd2c5b0434a5ca6aafa8a44e31618aa21953676;hp=5de2adedabe02f4d713e25e95d18f41822063938;hpb=8c28e432ba35e47500f7eb5de11bf0ab43a33fb2;p=gacela.git diff --git a/src/video.scm b/src/video.scm index 5de2ade..c013412 100644 --- a/src/video.scm +++ b/src/video.scm @@ -17,7 +17,9 @@ (define-module (gacela video) #:use-module (gacela sdl) - #:use-module (gacela gl) +; #:use-module (gacela gl) + #:use-module (figl gl) + #:use-module (figl glu) #:use-module (gacela ftgl) #:use-module (gacela math) #:use-module (gacela utils) @@ -47,7 +49,7 @@ get-current-color set-current-color with-color - progn-textures + begin-textures draw load-texture load-texture-without-cache @@ -67,9 +69,7 @@ load-font load-font-without-texture render-text) - #:re-export (glPushMatrix - glPopMatrix) - #:export-syntax (glmatrix-block)) + #:re-export (with-gl-push-matrix)) @@ -118,7 +118,7 @@ (SDL_Quit)))) (define (clear-screen) - (glClear (+ GL_COLOR_BUFFER_BIT GL_DEPTH_BUFFER_BIT))) + (gl-clear (clear-buffer-mask color-buffer depth-buffer))) (define (flip-screen) (SDL_GL_SwapBuffers)) @@ -138,14 +138,14 @@ (define (set-2d-mode) (set! mode '2d) - (glDisable GL_DEPTH_TEST) + (gl-disable (enable-cap depth-test)) (resize-screen-GL (get-screen-width) (get-screen-height))) (define (set-3d-mode) (set! mode '3d) - (glClearDepth 1) - (glEnable GL_DEPTH_TEST) - (glDepthFunc GL_LEQUAL) + (set-gl-clear-depth 1) + (gl-enable (enable-cap depth-test)) + (set-gl-depth-function (depth-function lequal)) (resize-screen-GL (get-screen-width) (get-screen-height))) (define (3d-mode?) @@ -166,24 +166,24 @@ (define (init-gl) - (glShadeModel GL_SMOOTH) - (glClearColor 0 0 0 0) - (glEnable GL_BLEND) - (glBlendFunc GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA) - (glHint GL_PERSPECTIVE_CORRECTION_HINT GL_NICEST)) + (set-gl-shade-model (shading-model smooth)) + (set-gl-clear-color 0 0 0 0) + (gl-enable (enable-cap blend)) + (set-gl-blend-function (blending-factor-dest src-alpha) (blending-factor-dest one-minus-src-alpha)) + (set-gl-hint (hint-target perspective-correction-hint) (hint-mode nicest))) (define (resize-screen-GL width height) - (glViewport 0 0 width height) - (glMatrixMode GL_PROJECTION) - (glLoadIdentity) + (gl-viewport 0 0 width height) + (set-gl-matrix-mode (matrix-mode projection)) + (gl-load-identity) (cond ((3d-mode?) (let ((ratio (if (= height 0) width (/ width height)))) - (gluPerspective 45 ratio 0.1 100))) + (glu-perspective 45 ratio 0.1 100))) (else (let* ((w (/ width 2)) (h (/ height 2))) - (glOrtho (- w) w (- h) h 0 1)))) - (glMatrixMode GL_MODELVIEW) - (glLoadIdentity)) + (gl-ortho (- w) w (- h) h 0 1)))) + (set-gl-matrix-mode (matrix-mode modelview)) + (gl-load-identity)) ;;; Frames per second @@ -220,7 +220,7 @@ (define* (set-current-color red green blue #:optional (alpha 1)) (set! current-color (list red green blue alpha)) - (glColor4f red green blue alpha)) + (gl-color red green blue alpha)) (define-macro (with-color color . code) `(cond (,color @@ -232,36 +232,30 @@ result)) (else (begin ,@code)))) -(define-macro (progn-textures . code) +(define-macro (begin-textures . code) `(let ((result #f)) - (glEnable GL_TEXTURE_2D) + (gl-enable (oes-framebuffer-object texture-2d)) (set! result (begin ,@code)) - (glDisable GL_TEXTURE_2D) + (gl-disable (oes-framebuffer-object texture-2d)) result)) (define (draw . vertexes) - (begin-draw (length vertexes)) - (draw-vertexes vertexes) - (glEnd)) - -(define (begin-draw number-of-points) - (cond ((= number-of-points 2) (glBegin GL_LINES)) - ((= number-of-points 3) (glBegin GL_TRIANGLES)) - ((= number-of-points 4) (glBegin GL_QUADS)) - ((> number-of-points 4) (glBegin GL_POLYGON)))) + (gl-begin + (let ((number-of-points (length vertexes))) + (cond ((= number-of-points 2) (begin-mode lines)) + ((= number-of-points 3) (begin-mode triangles)) + ((= number-of-points 4) (begin-mode quads)) + ((> number-of-points 4) (begin-mode polygon)))) + (draw-vertexes vertexes))) (define (draw-vertexes vertexes) (cond ((not (null? vertexes)) - (draw-vertex (car vertexes)) + (apply draw-vertex (if (list? (caar vertexes)) (car vertexes) (list (car vertexes)))) (draw-vertexes (cdr vertexes))))) (define* (draw-vertex vertex #:key texture-coord) (cond (texture-coord (apply glTexCoord2f texture-coord))) - (apply simple-draw-vertex vertex)) - -(define* (simple-draw-vertex x y #:optional (z 0)) - (cond ((3d-mode?) (glVertex3f x y z)) - (else (glVertex2f x y)))) + (apply gl-vertex vertex)) (define (load-image filename) (let ((image (IMG_Load filename))) @@ -286,21 +280,21 @@ (else (let ((zoomx (/ (+ width 0.5) old-width)) (zoomy (/ (+ height 0.5) old-height))) (zoomSurface surface zoomx zoomy 0)))))) -(define* (load-texture-without-cache filename #:key (min-filter GL_LINEAR) (mag-filter GL_LINEAR)) - (progn-textures +(define* (load-texture-without-cache filename #:key (min-filter (texture-min-filter linear)) (mag-filter (texture-mag-filter linear))) + (begin-textures (receive (image real-w real-h) (load-image-for-texture filename) (cond (image (let ((width (surface-w image)) (height (surface-h image)) (byteorder (if (= SDL_BYTEORDER SDL_LIL_ENDIAN) - (if (= (surface-format-BytesPerPixel image) 3) GL_BGR GL_BGRA) - (if (= (surface-format-BytesPerPixel image) 3) GL_RGB GL_RGBA))) + (if (= (surface-format-BytesPerPixel image) 3) (ext-bgra bgr-ext) (ext-bgra bgra-ext)) + (if (= (surface-format-BytesPerPixel image) 3) (pixel-format rgb) (pixel-format rgba)))) (texture (car (glGenTextures 1)))) - (glBindTexture GL_TEXTURE_2D texture) - (glTexImage2D GL_TEXTURE_2D 0 4 width height 0 byteorder GL_UNSIGNED_BYTE (surface-pixels image)) - (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MIN_FILTER min-filter) - (glTexParameteri GL_TEXTURE_2D GL_TEXTURE_MAG_FILTER mag-filter) + (glBindTexture (oes-framebuffer-object texture-2d) texture) + (glTexImage2D (oes-framebuffer-object texture-2d) 0 4 width height 0 byteorder (data-type unsigned-byte) (surface-pixels image)) + (glTexParameteri (oes-framebuffer-object texture-2d) (texture-parameter-name texture-min-filter) min-filter) + (glTexParameteri (oes-framebuffer-object texture-2d) (texture-parameter-name texture-mag-filter) mag-filter) (set-texture-size! texture real-w real-h) texture)))))) @@ -323,23 +317,21 @@ (draw (list 0 l) (list 0 (- l))))) (define (draw-circle radius) - (glBegin GL_POLYGON) - (do ((i 0 (1+ i))) - ((>= i 360)) - (let ((a (degrees-to-radians i))) - (draw-vertex (list (* radius (cos a)) (* radius (sin a)))))) - (glEnd)) + (gl-begin + (begin-mode polygon) + (do ((i 0 (1+ i))) + ((>= i 360)) + (let ((a (degrees-to-radians i))) + (draw-vertex (list (* radius (cos a)) (* radius (sin a)))))))) (define* (draw-quad v1 v2 v3 v4 #:key texture (texture-coord '((0 0) (1 1)))) (cond (texture - (progn-textures - (glBindTexture GL_TEXTURE_2D texture) - (begin-draw 4) - (draw-vertex v1 #:texture-coord (car texture-coord)) - (draw-vertex v2 #:texture-coord (list (caadr texture-coord) (cadar texture-coord))) - (draw-vertex v3 #:texture-coord (cadr texture-coord)) - (draw-vertex v4 #:texture-coord (list (caar texture-coord) (cadadr texture-coord))) - (glEnd))) + (begin-textures + (glBindTexture (oes-framebuffer-object texture-2d) texture) + (draw (list v1 #:texture-coord (car texture-coord)) + (list v2 #:texture-coord (list (caadr texture-coord) (cadar texture-coord))) + (list v3 #:texture-coord (cadr texture-coord)) + (list v4 #:texture-coord (list (caar texture-coord) (cadadr texture-coord)))))) (else (draw v1 v2 v3 v4)))) @@ -359,22 +351,22 @@ texture texture-1 texture-2 texture-3 texture-4 texture-5 texture-6 color-1 color-2 color-3 color-4 color-5 color-6) (let ((-size (- size))) - (progn-textures - (glNormal3f 0 0 1) + (begin-textures + (gl-normal 0 0 1) (with-color color-1 (draw-quad (list -size size size) (list size size size) (list size -size size) (list -size -size size) #:texture (or texture-1 texture))) - (glNormal3f 0 0 -1) + (gl-normal 0 0 -1) (with-color color-2 (draw-quad (list -size -size -size) (list size -size -size) (list size size -size) (list -size size -size) #:texture (or texture-2 texture))) - (glNormal3f 0 1 0) + (gl-normal 0 1 0) (with-color color-3 (draw-quad (list size size size) (list -size size size) (list -size size -size) (list size size -size) #:texture (or texture-3 texture))) - (glNormal3f 0 -1 0) + (gl-normal 0 -1 0) (with-color color-4 (draw-quad (list -size -size size) (list size -size size) (list size -size -size) (list -size -size -size) #:texture (or texture-4 texture))) - (glNormal3f 1 0 0) + (gl-normal 1 0 0) (with-color color-5 (draw-quad (list size -size -size) (list size -size size) (list size size size) (list size size -size) #:texture (or texture-5 texture))) - (glNormal3f -1 0 0) + (gl-normal -1 0 0) (with-color color-6 (draw-quad (list -size -size size) (list -size -size -size) (list -size size -size) (list -size size size) #:texture (or texture-6 texture)))))) (define* (gtranslate x y #:optional (z 0)) - (glTranslatef x y z)) + (gl-translate x y z)) (define (grotate . rot) (cond ((3d-mode?) @@ -383,24 +375,17 @@ (2d-rotate (car (last-pair rot)))))) (define (3d-rotate xrot yrot zrot) - (glRotatef xrot 1 0 0) - (glRotatef yrot 0 1 0) - (glRotatef zrot 0 0 1)) + (gl-rotate xrot 1 0 0) + (gl-rotate yrot 0 1 0) + (gl-rotate zrot 0 0 1)) (define (2d-rotate rot) - (glRotatef rot 0 0 1)) + (gl-rotate rot 0 0 1)) (define (to-origin) - (glLoadIdentity) + (gl-load-identity) (cond ((3d-mode?) (camera-look)))) -(define-macro (glmatrix-block . code) - `(let ((result #f)) - (glPushMatrix) - (set! result (begin ,@code)) - (glPopMatrix) - result)) - ;;; Lights @@ -409,7 +394,7 @@ ;; (and light (glLightfv id GL_DIFFUSE (car light) (cadr light) (caddr light) (cadddr light))) ;; (and light position (glLightfv GL_POSITION (car position) (cadr position) (caddr position) (cadddr position))) ;; (and ambient (glLightfv id GL_AMBIENT (car ambient) (cadr ambient) (caddr ambient) (cadddr ambient))) -;; (and turn-on (glEnable id)) +;; (and turn-on (gl-enable id)) ;; id) @@ -425,7 +410,7 @@ (cond (up (set! camera-up up)))) (define (camera-look) - (apply gluLookAt (append camera-eye camera-center camera-up))) + (apply glu-look-at (append camera-eye camera-center camera-up))) ;;; Text and fonts @@ -477,7 +462,7 @@ (list (lambda () "draw" - (glmatrix-block + (with-gl-push-matrix (grotate ax ay az) (gtranslate px py pz) (grotate rx ry rz) @@ -569,7 +554,7 @@ (make-mesh 'joined-meshes (lambda (props) - (for-each (lambda (m) (glmatrix-block (mesh-draw m))) meshes)))) + (for-each (lambda (m) (with-gl-push-matrix (mesh-draw m))) meshes)))) ;;; Primitives @@ -608,7 +593,7 @@ (define-primitive (circle radius) (draw-circle radius)) -(define-primitive (picture filename #:key (min-filter GL_LINEAR) (mag-filter GL_LINEAR) (zoom 1) (sprite '((0 0) (1 1)))) +(define-primitive (picture filename #:key (min-filter (texture-min-filter linear)) (mag-filter (texture-mag-filter linear)) (zoom 1) (sprite '((0 0) (1 1)))) (draw-texture (load-texture filename #:min-filter min-filter #:mag-filter mag-filter) #:zoom zoom #:sprite sprite))