# limitations under the License.
# OpenGL ES1 general support (most of it)
-module opengles1 is pkgconfig("glesv1_cm", "x11", "egl")
+module opengles1 is pkgconfig("glesv1_cm", "egl")
import mnit_display
in "C header" `{
#include <EGL/egl.h>
#include <GLES/gl.h>
- #define GL_GLEXT_PROTOTYPES 1
- #include <GLES/glext.h>
- #include <errno.h>
EGLDisplay mnit_display;
EGLSurface mnit_surface;
EGLConfig mnit_config;
int32_t mnit_width;
int32_t mnit_height;
- float mnit_zoom;
struct mnit_opengles_Texture {
GLuint texture;
mnit_config = config;
mnit_width = w;
mnit_height = h;
- mnit_zoom = 1.0f;
LOGI("surface", (int)surface);
LOGI("display", (int)display);
eglSwapBuffers( mnit_display, mnit_surface );
`}
- fun set_as_target is extern `{
- glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
- `}
-
redef fun set_viewport( x, y, w, h ) is extern `{
glLoadIdentity();
glViewport(0,0, mnit_width, mnit_height );
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(x, x+w, y+h, y, 0.0f, 1.0f);
- mnit_zoom = ((float)w)/mnit_width;
glMatrixMode(GL_MODELVIEW);
glFrontFace( GL_CW );
`}
- redef fun blit( image, x, y ) is extern `{
+ redef fun blit(image, x, y) do native_blit(image, x.to_f, y.to_f)
+
+ private fun native_blit(image: Opengles1Image, x, y: Float) `{
GLfloat texture_coord[4][2] =
{
{image->src_xo, image->src_yi},
}
`}
- redef fun blit_centered( img, x, y )
+ redef fun blit_centered(img, x, y)
do
- x = x - img.center_x
- y = y - img.center_y
- blit( img, x, y )
+ x = x.sub(img.center_x)
+ y = y.sub(img.center_y)
+ blit(img, x, y)
end
- redef fun blit_rotated( image, x, y, angle ) is extern `{
+ redef fun blit_rotated(image, x, y, angle) do native_blit_rotated(image, x.to_f, y.to_f, angle)
+
+ private fun native_blit_rotated(image: Opengles1Image, x, y, angle: Float) `{
GLfloat texture_coord[4][2] =
{
{image->src_xo, image->src_yi},
`}
# a = top left, b = bottom left, c = bottom right, d = top right
- redef fun blit_stretched( image, ax, ay, bx, by, cx, cy, dx, dy ) is extern `{
+ redef fun blit_stretched(image, ax, ay, bx, by, cx, cy, dx, dy)
+ do
+ native_blit_stretched(image,
+ ax.to_f, ay.to_f, bx.to_f, by.to_f,
+ cx.to_f, cy.to_f, dx.to_f, dy.to_f)
+ end
+
+ private fun native_blit_stretched(image: I, ax, ay, bx, by, cx, cy, dx, dy: Float) `{
GLfloat texture_coord[4][2] =
{
{image->src_xo, image->src_yi},
glClearColor( r, g, b, a );
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
`}
+
+ # Set the current color applied to all drawing
+ #
+ # require: r, g, b, a in [0.0 .. 1.0]
+ fun color(r, g, b, a: Float) `{ glColor4f(r, g, b, a); `}
+
+ # Reset the current color to opaque white
+ fun reset_color `{ glColor4f(1.0f, 1.0f, 1.0f, 1.0f); `}
end
-extern Opengles1Image in "C" `{struct mnit_opengles_Texture *`}
+extern class Opengles1Image in "C" `{struct mnit_opengles_Texture *`}
super Image
redef fun destroy is extern `{ free( recv ); `}
return Opengles1Image_as_Image( image );
`}
end
-
-# FIXME this class is broken
-extern Opengles1DrawableImage in "C" `{struct mnit_opengles_DrawableTexture*`}
- super DrawableImage
- new ( w, h: Int ) is extern `{
- struct mnit_opengles_DrawableTexture *image =
- malloc( sizeof(struct mnit_opengles_DrawableTexture) );
-
- /* texture */
- glGenTextures(1, &image->super.texture);
- glBindTexture(GL_TEXTURE_2D, image->super.texture);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- /* glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE); // automatic mipmap generation included in OpenGL v1.4c */
- glBindTexture(GL_TEXTURE_2D, 0);
-
- /* fbo */
- glGenFramebuffersOES( 1, &image->fbo );
- glBindFramebufferOES( GL_FRAMEBUFFER_OES, image->fbo );
- glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
- GL_COLOR_ATTACHMENT0_OES,
- GL_TEXTURE_2D,
- image->super.texture,
- 0 );
-
- /* depth */
- glGenRenderbuffersOES(1, &image->depth);
- glBindRenderbufferOES(GL_RENDERBUFFER_OES, image->depth);
- glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_DEPTH_COMPONENT16_OES,
- w, h);
- glBindRenderbufferOES(GL_RENDERBUFFER_OES, 0);
- glFramebufferRenderbufferOES( GL_FRAMEBUFFER_OES,
- GL_DEPTH_ATTACHMENT_OES,
- GL_RENDERBUFFER_OES,
- image->depth );
-
- /* tex framebuffer */
- glGenRenderbuffersOES(1, &image->color);
- glBindRenderbufferOES(GL_RENDERBUFFER_OES, image->color);
- glRenderbufferStorageOES(GL_RENDERBUFFER_OES, GL_RGBA8_OES, w, h);
- glFramebufferRenderbufferOES(GL_FRAMEBUFFER_OES, GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, image->color );
-
- if ( glCheckFramebufferStatusOES( GL_FRAMEBUFFER_OES ) != GL_FRAMEBUFFER_COMPLETE_OES )
- {
- LOGW("framebuffer not set", glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES));
- exit(1);
- }
-
- image->super.width = w;
- image->super.height = h;
- image->super.center_x = w/2;
- image->super.center_y = h/2;
- image->super.scale = 1.0f;
- image->super.blended = 0;
-
- if ((mnit_opengles_error_code = glGetError()) != GL_NO_ERROR) {
- LOGW("gl error in Opengles1DrawableImage::init", mnit_opengles_error_code);
- exit(1);
- }
-
- return image;
- `}
-
- fun set_as_target is extern `{
- LOGI( "sat %i", recv->fbo );
- glBindFramebufferOES(GL_FRAMEBUFFER_OES, recv->fbo);
- if (glGetError() != GL_NO_ERROR) LOGW("gl error", 0);
- /*glGetIntegerv(GL_FRAMEBUFFER_BINDING_OES,&recv->fbo);
- if (glGetError() != GL_NO_ERROR) LOGW( "gl error a");*/
- glViewport(0, 0, recv->super.width, recv->super.height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glOrthof(0.0f, recv->super.width, recv->super.height, 0.0f, 0.0f, 1.0f);
- glMatrixMode(GL_MODELVIEW);
- glFrontFace( GL_CW );
-
- glClearColor( 0.0f, 1.0f, 1.0f, 1.0f );
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- `}
-
- fun unset_as_target is extern `{
- glFlush();
- /*glBindTexture(GL_TEXTURE_2D, recv->super.texture);
- glGenerateMipmapOES(GL_TEXTURE_2D);
- glBindTexture(GL_TEXTURE_2D, 0);*/
- glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
- if (glGetError() != GL_NO_ERROR) LOGW("gl error", 0);
- `}
-end
-
nitlanguage / nit.git / blobdiff